]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-includes/query.php
WordPress 4.7
[autoinstalls/wordpress.git] / wp-includes / query.php
index 443d0bb742b7c0e2a614a5edfaa511a6d8df83a3..744610f425caceccc5636a3332c6cb1d9149c1a3 100644 (file)
@@ -2,10 +2,10 @@
 /**
  * WordPress Query API
  *
- * The query API attempts to get which part of WordPress to the user is on. It
- * also provides functionality to getting URL query information.
+ * The query API attempts to get which part of WordPress the user is on. It
+ * also provides functionality for getting URL query information.
  *
- * @link http://codex.wordpress.org/The_Loop More information on The Loop.
+ * @link https://codex.wordpress.org/The_Loop More information on The Loop.
  *
  * @package WordPress
  * @subpackage Query
 /**
  * Retrieve variable in the WP_Query class.
  *
- * @see WP_Query::get()
  * @since 1.5.0
- * @uses $wp_query
+ * @since 3.9.0 The `$default` argument was introduced.
  *
- * @param string $var The variable key to retrieve.
- * @return mixed
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string $var       The variable key to retrieve.
+ * @param mixed  $default   Optional. Value to return if the query variable is not set. Default empty.
+ * @return mixed Contents of the query variable.
  */
-function get_query_var($var) {
+function get_query_var( $var, $default = '' ) {
        global $wp_query;
-
-       return $wp_query->get($var);
+       return $wp_query->get( $var, $default );
 }
 
 /**
- * Retrieve the currently-queried object. Wrapper for $wp_query->get_queried_object()
+ * Retrieve the currently-queried object.
  *
- * @uses WP_Query::get_queried_object
+ * Wrapper for WP_Query::get_queried_object().
  *
  * @since 3.1.0
  * @access public
  *
- * @return object
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return object Queried object.
  */
 function get_queried_object() {
        global $wp_query;
@@ -43,14 +46,15 @@ function get_queried_object() {
 }
 
 /**
- * Retrieve ID of the current queried object. Wrapper for $wp_query->get_queried_object_id()
+ * Retrieve ID of the current queried object.
  *
- * @uses WP_Query::get_queried_object_id()
+ * Wrapper for WP_Query::get_queried_object_id().
  *
  * @since 3.1.0
- * @access public
  *
- * @return int
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return int ID of the queried object.
  */
 function get_queried_object_id() {
        global $wp_query;
@@ -60,31 +64,35 @@ function get_queried_object_id() {
 /**
  * Set query variable.
  *
- * @see WP_Query::set()
  * @since 2.2.0
- * @uses $wp_query
  *
- * @param string $var Query variable key.
- * @param mixed $value
- * @return null
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string $var   Query variable key.
+ * @param mixed  $value Query variable value.
  */
-function set_query_var($var, $value) {
+function set_query_var( $var, $value ) {
        global $wp_query;
-
-       return $wp_query->set($var, $value);
+       $wp_query->set( $var, $value );
 }
 
 /**
- * Set up The Loop with query parameters.
+ * Sets up The Loop with query parameters.
  *
- * This will override the current WordPress Loop and shouldn't be used more than
- * once. This must not be used within the WordPress Loop.
+ * Note: This function will completely override the main query and isn't intended for use
+ * by plugins or themes. Its overly-simplistic approach to modifying the main query can be
+ * problematic and should be avoided wherever possible. In most cases, there are better,
+ * more performant options for modifying the main query such as via the {@see 'pre_get_posts'}
+ * action within WP_Query.
+ *
+ * This must not be used within the WordPress Loop.
  *
  * @since 1.5.0
- * @uses $wp_query
  *
- * @param string $query
- * @return array List of posts
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param array|string $query Array or string of WP_Query arguments.
+ * @return array List of post objects.
  */
 function query_posts($query) {
        $GLOBALS['wp_query'] = new WP_Query();
@@ -92,14 +100,16 @@ function query_posts($query) {
 }
 
 /**
- * Destroy the previous query and set up a new query.
+ * Destroys the previous query and sets up a new query.
  *
- * This should be used after {@link query_posts()} and before another {@link
- * query_posts()}. This will remove obscure bugs that occur when the previous
- * wp_query object is not destroyed properly before another is set up.
+ * This should be used after query_posts() and before another query_posts().
+ * This will remove obscure bugs that occur when the previous WP_Query object
+ * is not destroyed properly before another is set up.
  *
  * @since 2.3.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query     Global WP_Query instance.
+ * @global WP_Query $wp_the_query Copy of the global WP_Query instance created during wp_reset_query().
  */
 function wp_reset_query() {
        $GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
@@ -108,16 +118,17 @@ function wp_reset_query() {
 
 /**
  * After looping through a separate query, this function restores
- * the $post global to the current post in the main query
+ * the $post global to the current post in the main query.
  *
  * @since 3.0.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  */
 function wp_reset_postdata() {
        global $wp_query;
-       if ( !empty($wp_query->post) ) {
-               $GLOBALS['post'] = $wp_query->post;
-               setup_postdata($wp_query->post);
+
+       if ( isset( $wp_query ) ) {
+               $wp_query->reset_postdata();
        }
 }
 
@@ -130,9 +141,9 @@ function wp_reset_postdata() {
  *
  * Month, Year, Category, Author, Post Type archive...
  *
- * @see WP_Query::is_archive()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -140,7 +151,7 @@ function is_archive() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -150,18 +161,18 @@ function is_archive() {
 /**
  * Is the query for an existing post type archive page?
  *
- * @see WP_Query::is_post_type_archive()
  * @since 3.1.0
- * @uses $wp_query
  *
- * @param mixed $post_types Optional. Post type or array of posts types to check against.
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array $post_types Optional. Post type or array of posts types to check against.
  * @return bool
  */
 function is_post_type_archive( $post_types = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -171,21 +182,22 @@ function is_post_type_archive( $post_types = '' ) {
 /**
  * Is the query for an existing attachment page?
  *
- * @see WP_Query::is_attachment()
  * @since 2.0.0
- * @uses $wp_query
  *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param int|string|array|object $attachment Attachment ID, title, slug, or array of such.
  * @return bool
  */
-function is_attachment() {
+function is_attachment( $attachment = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
-       return $wp_query->is_attachment();
+       return $wp_query->is_attachment( $attachment );
 }
 
 /**
@@ -194,9 +206,9 @@ function is_attachment() {
  * If the $author parameter is specified, this function will additionally
  * check if the query is for one of the authors specified.
  *
- * @see WP_Query::is_author()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
  * @return bool
@@ -205,7 +217,7 @@ function is_author( $author = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -218,9 +230,9 @@ function is_author( $author = '' ) {
  * If the $category parameter is specified, this function will additionally
  * check if the query is for one of the categories specified.
  *
- * @see WP_Query::is_category()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
  * @return bool
@@ -229,7 +241,7 @@ function is_category( $category = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -242,26 +254,26 @@ function is_category( $category = '' ) {
  * If the $tag parameter is specified, this function will additionally
  * check if the query is for one of the tags specified.
  *
- * @see WP_Query::is_tag()
  * @since 2.3.0
- * @uses $wp_query
  *
- * @param mixed $slug Optional. Tag slug or array of slugs.
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
  * @return bool
  */
-function is_tag( $slug = '' ) {
+function is_tag( $tag = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
-       return $wp_query->is_tag( $slug );
+       return $wp_query->is_tag( $tag );
 }
 
 /**
- * Is the query for an existing taxonomy archive page?
+ * Is the query for an existing custom taxonomy archive page?
  *
  * If the $taxonomy parameter is specified, this function will additionally
  * check if the query is for that specific $taxonomy.
@@ -270,51 +282,31 @@ function is_tag( $slug = '' ) {
  * this function will additionally check if the query is for one of the terms
  * specified.
  *
- * @see WP_Query::is_tax()
  * @since 2.5.0
- * @uses $wp_query
  *
- * @param mixed $taxonomy Optional. Taxonomy slug or slugs.
- * @param mixed $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
- * @return bool
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array     $taxonomy Optional. Taxonomy slug or slugs.
+ * @param int|string|array $term     Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
+ * @return bool True for custom taxonomy archive pages, false for built-in taxonomies (category and tag archives).
  */
 function is_tax( $taxonomy = '', $term = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
        return $wp_query->is_tax( $taxonomy, $term );
 }
 
-/**
- * Whether the current URL is within the comments popup window.
- *
- * @see WP_Query::is_comments_popup()
- * @since 1.5.0
- * @uses $wp_query
- *
- * @return bool
- */
-function is_comments_popup() {
-       global $wp_query;
-
-       if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
-               return false;
-       }
-
-       return $wp_query->is_comments_popup();
-}
-
 /**
  * Is the query for an existing date archive?
  *
- * @see WP_Query::is_date()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -322,7 +314,7 @@ function is_date() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -332,9 +324,9 @@ function is_date() {
 /**
  * Is the query for an existing day archive?
  *
- * @see WP_Query::is_day()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -342,7 +334,7 @@ function is_day() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -352,9 +344,9 @@ function is_day() {
 /**
  * Is the query for a feed?
  *
- * @see WP_Query::is_feed()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @param string|array $feeds Optional feed types to check.
  * @return bool
@@ -363,7 +355,7 @@ function is_feed( $feeds = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -373,9 +365,9 @@ function is_feed( $feeds = '' ) {
 /**
  * Is the query for a comments feed?
  *
- * @see WP_Query::is_comments_feed()
  * @since 3.0.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -383,7 +375,7 @@ function is_comment_feed() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -402,10 +394,9 @@ function is_comment_feed() {
  *
  * Otherwise the same as @see is_home()
  *
- * @see WP_Query::is_front_page()
  * @since 2.5.0
- * @uses is_home()
- * @uses get_option()
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool True, if front of site.
  */
@@ -413,7 +404,7 @@ function is_front_page() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -421,28 +412,28 @@ function is_front_page() {
 }
 
 /**
- * Is the query for the blog homepage?
+ * Determines if the query is for the blog homepage.
  *
- * This is the page which shows the time based blog content of your site.
+ * The blog homepage is the page that shows the time-based blog content of the site.
  *
- * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
+ * is_home() is dependent on the site's "Front page displays" Reading Settings 'show_on_front'
+ * and 'page_for_posts'.
  *
- * If you set a static page for the front page of your site, this function will return
- * true only on the page you set as the "Posts page".
- *
- * @see is_front_page()
+ * If a static page is set for the front page of the site, this function will return true only
+ * on the page you set as the "Posts page".
  *
- * @see WP_Query::is_home()
  * @since 1.5.0
- * @uses $wp_query
  *
- * @return bool True if blog view homepage.
+ * @see is_front_page()
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool True if blog view homepage, otherwise false.
  */
 function is_home() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -452,9 +443,9 @@ function is_home() {
 /**
  * Is the query for an existing month archive?
  *
- * @see WP_Query::is_month()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -462,7 +453,7 @@ function is_month() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -478,18 +469,18 @@ function is_month() {
  * @see is_single()
  * @see is_singular()
  *
- * @see WP_Query::is_page()
  * @since 1.5.0
- * @uses $wp_query
  *
- * @param mixed $page Page ID, title, slug, or array of such.
- * @return bool
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param int|string|array $page Optional. Page ID, title, slug, or array of such. Default empty.
+ * @return bool Whether the query is for an existing single page.
  */
 function is_page( $page = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -499,9 +490,9 @@ function is_page( $page = '' ) {
 /**
  * Is the query for paged result and not for the first page?
  *
- * @see WP_Query::is_paged()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -509,7 +500,7 @@ function is_paged() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -519,9 +510,9 @@ function is_paged() {
 /**
  * Is the query for a post or page preview?
  *
- * @see WP_Query::is_preview()
  * @since 2.0.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -529,7 +520,7 @@ function is_preview() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -539,9 +530,9 @@ function is_preview() {
 /**
  * Is the query for the robots file?
  *
- * @see WP_Query::is_robots()
  * @since 2.1.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -549,7 +540,7 @@ function is_robots() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -559,9 +550,9 @@ function is_robots() {
 /**
  * Is the query for a search?
  *
- * @see WP_Query::is_search()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -569,7 +560,7 @@ function is_search() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -587,18 +578,18 @@ function is_search() {
  * @see is_page()
  * @see is_singular()
  *
- * @see WP_Query::is_single()
  * @since 1.5.0
- * @uses $wp_query
  *
- * @param mixed $post Post ID, title, slug, or array of such.
- * @return bool
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param int|string|array $post Optional. Post ID, title, slug, or array of such. Default empty.
+ * @return bool Whether the query is for an existing single post.
  */
 function is_single( $post = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -614,18 +605,18 @@ function is_single( $post = '' ) {
  * @see is_page()
  * @see is_single()
  *
- * @see WP_Query::is_singular()
  * @since 1.5.0
- * @uses $wp_query
  *
- * @param mixed $post_types Optional. Post Type or array of Post Types
- * @return bool
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array $post_types Optional. Post type or array of post types. Default empty.
+ * @return bool Whether the query is for an existing single post of any of the given post types.
  */
 function is_singular( $post_types = '' ) {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -635,9 +626,9 @@ function is_singular( $post_types = '' ) {
 /**
  * Is the query for a specific time?
  *
- * @see WP_Query::is_time()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -645,7 +636,7 @@ function is_time() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -655,9 +646,9 @@ function is_time() {
 /**
  * Is the query for a trackback endpoint call?
  *
- * @see WP_Query::is_trackback()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -665,7 +656,7 @@ function is_trackback() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -675,9 +666,9 @@ function is_trackback() {
 /**
  * Is the query for an existing year archive?
  *
- * @see WP_Query::is_year()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -685,7 +676,7 @@ function is_year() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
@@ -695,9 +686,9 @@ function is_year() {
 /**
  * Is the query a 404 (returns no results)?
  *
- * @see WP_Query::is_404()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -705,21 +696,55 @@ function is_404() {
        global $wp_query;
 
        if ( ! isset( $wp_query ) ) {
-               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
                return false;
        }
 
        return $wp_query->is_404();
 }
 
+/**
+ * Is the query for an embedded post?
+ *
+ * @since 4.4.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool Whether we're in an embedded post or not.
+ */
+function is_embed() {
+       global $wp_query;
+
+       if ( ! isset( $wp_query ) ) {
+               _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+               return false;
+       }
+
+       return $wp_query->is_embed();
+}
+
 /**
  * Is the query the main query?
  *
  * @since 3.3.0
  *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
  * @return bool
  */
 function is_main_query() {
+       if ( 'pre_get_posts' === current_filter() ) {
+               $message = sprintf(
+                       /* translators: 1: pre_get_posts 2: WP_Query->is_main_query() 3: is_main_query() 4: link to codex is_main_query() page. */
+                       __( 'In %1$s, use the %2$s method, not the %3$s function. See %4$s.' ),
+                       '<code>pre_get_posts</code>',
+                       '<code>WP_Query->is_main_query()</code>',
+                       '<code>is_main_query()</code>',
+                       __( 'https://codex.wordpress.org/Function_Reference/is_main_query' )
+               );
+               _doing_it_wrong( __FUNCTION__, $message, '3.7.0' );
+       }
+
        global $wp_query;
        return $wp_query->is_main_query();
 }
@@ -731,15 +756,14 @@ function is_main_query() {
 /**
  * Whether current WordPress query has results to loop over.
  *
- * @see WP_Query::have_posts()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
 function have_posts() {
        global $wp_query;
-
        return $wp_query->have_posts();
 }
 
@@ -747,41 +771,37 @@ function have_posts() {
  * Whether the caller is in the Loop.
  *
  * @since 2.0.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool True if caller is within loop, false if loop hasn't started or ended.
  */
 function in_the_loop() {
        global $wp_query;
-
        return $wp_query->in_the_loop;
 }
 
 /**
  * Rewind the loop posts.
  *
- * @see WP_Query::rewind_posts()
  * @since 1.5.0
- * @uses $wp_query
  *
- * @return null
+ * @global WP_Query $wp_query Global WP_Query instance.
  */
 function rewind_posts() {
        global $wp_query;
-
-       return $wp_query->rewind_posts();
+       $wp_query->rewind_posts();
 }
 
 /**
  * Iterate the post index in the loop.
  *
- * @see WP_Query::the_post()
  * @since 1.5.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  */
 function the_post() {
        global $wp_query;
-
        $wp_query->the_post();
 }
 
@@ -792,9 +812,9 @@ function the_post() {
 /**
  * Whether there are comments to loop over.
  *
- * @see WP_Query::have_comments()
  * @since 2.2.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return bool
  */
@@ -806,9 +826,9 @@ function have_comments() {
 /**
  * Iterate comment index in the comment loop.
  *
- * @see WP_Query::the_comment()
  * @since 2.2.0
- * @uses $wp_query
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
  *
  * @return object
  */
@@ -817,2842 +837,105 @@ function the_comment() {
        return $wp_query->the_comment();
 }
 
-/*
- * WP_Query
- */
-
-/**
- * The WordPress Query class.
- *
- * @link http://codex.wordpress.org/Function_Reference/WP_Query Codex page.
- *
- * @since 1.5.0
- */
-class WP_Query {
-
-       /**
-        * Query vars set by the user
-        *
-        * @since 1.5.0
-        * @access public
-        * @var array
-        */
-       var $query;
-
-       /**
-        * Query vars, after parsing
-        *
-        * @since 1.5.0
-        * @access public
-        * @var array
-        */
-       var $query_vars = array();
-
-       /**
-        * Taxonomy query, as passed to get_tax_sql()
-        *
-        * @since 3.1.0
-        * @access public
-        * @var object WP_Tax_Query
-        */
-       var $tax_query;
-
-       /**
-        * Metadata query container
-        *
-        * @since 3.2.0
-        * @access public
-        * @var object WP_Meta_Query
-        */
-       var $meta_query = false;
-
-       /**
-        * Holds the data for a single object that is queried.
-        *
-        * Holds the contents of a post, page, category, attachment.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var object|array
-        */
-       var $queried_object;
-
-       /**
-        * The ID of the queried object.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var int
-        */
-       var $queried_object_id;
-
-       /**
-        * Get post database query.
-        *
-        * @since 2.0.1
-        * @access public
-        * @var string
-        */
-       var $request;
-
-       /**
-        * List of posts.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var array
-        */
-       var $posts;
-
-       /**
-        * The amount of posts for the current query.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var int
-        */
-       var $post_count = 0;
-
-       /**
-        * Index of the current item in the loop.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var int
-        */
-       var $current_post = -1;
-
-       /**
-        * Whether the loop has started and the caller is in the loop.
-        *
-        * @since 2.0.0
-        * @access public
-        * @var bool
-        */
-       var $in_the_loop = false;
-
-       /**
-        * The current post ID.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var object
-        */
-       var $post;
-
-       /**
-        * The list of comments for current post.
-        *
-        * @since 2.2.0
-        * @access public
-        * @var array
-        */
-       var $comments;
-
-       /**
-        * The amount of comments for the posts.
-        *
-        * @since 2.2.0
-        * @access public
-        * @var int
-        */
-       var $comment_count = 0;
-
-       /**
-        * The index of the comment in the comment loop.
-        *
-        * @since 2.2.0
-        * @access public
-        * @var int
-        */
-       var $current_comment = -1;
-
-       /**
-        * Current comment ID.
-        *
-        * @since 2.2.0
-        * @access public
-        * @var int
-        */
-       var $comment;
-
-       /**
-        * The amount of found posts for the current query.
-        *
-        * If limit clause was not used, equals $post_count.
-        *
-        * @since 2.1.0
-        * @access public
-        * @var int
-        */
-       var $found_posts = 0;
-
-       /**
-        * The amount of pages.
-        *
-        * @since 2.1.0
-        * @access public
-        * @var int
-        */
-       var $max_num_pages = 0;
-
-       /**
-        * The amount of comment pages.
-        *
-        * @since 2.7.0
-        * @access public
-        * @var int
-        */
-       var $max_num_comment_pages = 0;
-
-       /**
-        * Set if query is single post.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_single = false;
-
-       /**
-        * Set if query is preview of blog.
-        *
-        * @since 2.0.0
-        * @access public
-        * @var bool
-        */
-       var $is_preview = false;
-
-       /**
-        * Set if query returns a page.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_page = false;
-
-       /**
-        * Set if query is an archive list.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_archive = false;
-
-       /**
-        * Set if query is part of a date.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_date = false;
-
-       /**
-        * Set if query contains a year.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_year = false;
-
-       /**
-        * Set if query contains a month.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_month = false;
-
-       /**
-        * Set if query contains a day.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_day = false;
-
-       /**
-        * Set if query contains time.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_time = false;
-
-       /**
-        * Set if query contains an author.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_author = false;
-
-       /**
-        * Set if query contains category.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_category = false;
-
-       /**
-        * Set if query contains tag.
-        *
-        * @since 2.3.0
-        * @access public
-        * @var bool
-        */
-       var $is_tag = false;
-
-       /**
-        * Set if query contains taxonomy.
-        *
-        * @since 2.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_tax = false;
-
-       /**
-        * Set if query was part of a search result.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_search = false;
-
-       /**
-        * Set if query is feed display.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_feed = false;
-
-       /**
-        * Set if query is comment feed display.
-        *
-        * @since 2.2.0
-        * @access public
-        * @var bool
-        */
-       var $is_comment_feed = false;
-
-       /**
-        * Set if query is trackback.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_trackback = false;
-
-       /**
-        * Set if query is blog homepage.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_home = false;
-
-       /**
-        * Set if query couldn't found anything.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_404 = false;
-
-       /**
-        * Set if query is within comments popup window.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_comments_popup = false;
-
-       /**
-        * Set if query is paged
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_paged = false;
-
-       /**
-        * Set if query is part of administration page.
-        *
-        * @since 1.5.0
-        * @access public
-        * @var bool
-        */
-       var $is_admin = false;
-
-       /**
-        * Set if query is an attachment.
-        *
-        * @since 2.0.0
-        * @access public
-        * @var bool
-        */
-       var $is_attachment = false;
-
-       /**
-        * Set if is single, is a page, or is an attachment.
-        *
-        * @since 2.1.0
-        * @access public
-        * @var bool
-        */
-       var $is_singular = false;
-
-       /**
-        * Set if query is for robots.
-        *
-        * @since 2.1.0
-        * @access public
-        * @var bool
-        */
-       var $is_robots = false;
-
-       /**
-        * Set if query contains posts.
-        *
-        * Basically, the homepage if the option isn't set for the static homepage.
-        *
-        * @since 2.1.0
-        * @access public
-        * @var bool
-        */
-       var $is_posts_page = false;
-
-       /**
-        * Set if query is for a post type archive.
-        *
-        * @since 3.1.0
-        * @access public
-        * @var bool
-        */
-       var $is_post_type_archive = false;
-
-       /**
-        * Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know
-        * whether we have to re-parse because something has changed
-        *
-        * @since 3.1.0
-        * @access private
-        */
-       var $query_vars_hash = false;
-
-       /**
-        * Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made
-        * via pre_get_posts hooks.
-        *
-        * @since 3.1.1
-        * @access private
-        */
-       var $query_vars_changed = true;
-
-       /**
-        * Set if post thumbnails are cached
-        *
-        * @since 3.2.0
-        * @access public
-        * @var bool
-        */
-        var $thumbnails_cached = false;
-
-       /**
-        * Resets query flags to false.
-        *
-        * The query flags are what page info WordPress was able to figure out.
-        *
-        * @since 2.0.0
-        * @access private
-        */
-       function init_query_flags() {
-               $this->is_single = false;
-               $this->is_preview = false;
-               $this->is_page = false;
-               $this->is_archive = false;
-               $this->is_date = false;
-               $this->is_year = false;
-               $this->is_month = false;
-               $this->is_day = false;
-               $this->is_time = false;
-               $this->is_author = false;
-               $this->is_category = false;
-               $this->is_tag = false;
-               $this->is_tax = false;
-               $this->is_search = false;
-               $this->is_feed = false;
-               $this->is_comment_feed = false;
-               $this->is_trackback = false;
-               $this->is_home = false;
-               $this->is_404 = false;
-               $this->is_comments_popup = false;
-               $this->is_paged = false;
-               $this->is_admin = false;
-               $this->is_attachment = false;
-               $this->is_singular = false;
-               $this->is_robots = false;
-               $this->is_posts_page = false;
-               $this->is_post_type_archive = false;
-       }
-
-       /**
-        * Initiates object properties and sets default values.
-        *
-        * @since 1.5.0
-        * @access public
-        */
-       function init() {
-               unset($this->posts);
-               unset($this->query);
-               $this->query_vars = array();
-               unset($this->queried_object);
-               unset($this->queried_object_id);
-               $this->post_count = 0;
-               $this->current_post = -1;
-               $this->in_the_loop = false;
-               unset( $this->request );
-               unset( $this->post );
-               unset( $this->comments );
-               unset( $this->comment );
-               $this->comment_count = 0;
-               $this->current_comment = -1;
-               $this->found_posts = 0;
-               $this->max_num_pages = 0;
-               $this->max_num_comment_pages = 0;
-
-               $this->init_query_flags();
-       }
-
-       /**
-        * Reparse the query vars.
-        *
-        * @since 1.5.0
-        * @access public
-        */
-       function parse_query_vars() {
-               $this->parse_query();
-       }
-
-       /**
-        * Fills in the query variables, which do not exist within the parameter.
-        *
-        * @since 2.1.0
-        * @access public
-        *
-        * @param array $array Defined query variables.
-        * @return array Complete query variables with undefined ones filled in empty.
-        */
-       function fill_query_vars($array) {
-               $keys = array(
-                       'error'
-                       , 'm'
-                       , 'p'
-                       , 'post_parent'
-                       , 'subpost'
-                       , 'subpost_id'
-                       , 'attachment'
-                       , 'attachment_id'
-                       , 'name'
-                       , 'static'
-                       , 'pagename'
-                       , 'page_id'
-                       , 'second'
-                       , 'minute'
-                       , 'hour'
-                       , 'day'
-                       , 'monthnum'
-                       , 'year'
-                       , 'w'
-                       , 'category_name'
-                       , 'tag'
-                       , 'cat'
-                       , 'tag_id'
-                       , 'author_name'
-                       , 'feed'
-                       , 'tb'
-                       , 'paged'
-                       , 'comments_popup'
-                       , 'meta_key'
-                       , 'meta_value'
-                       , 'preview'
-                       , 's'
-                       , 'sentence'
-                       , 'fields'
-                       , 'menu_order'
-               );
-
-               foreach ( $keys as $key ) {
-                       if ( !isset($array[$key]) )
-                               $array[$key] = '';
-               }
-
-               $array_keys = array('category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in',
-                       'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and');
-
-               foreach ( $array_keys as $key ) {
-                       if ( !isset($array[$key]) )
-                               $array[$key] = array();
-               }
-               return $array;
-       }
-
-       /**
-        * Parse a query string and set query type booleans.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @param string|array $query Optional query.
-        */
-       function parse_query( $query =  '' ) {
-               if ( ! empty( $query ) ) {
-                       $this->init();
-                       $this->query = $this->query_vars = wp_parse_args( $query );
-               } elseif ( ! isset( $this->query ) ) {
-                       $this->query = $this->query_vars;
-               }
-
-               $this->query_vars = $this->fill_query_vars($this->query_vars);
-               $qv = &$this->query_vars;
-               $this->query_vars_changed = true;
-
-               if ( ! empty($qv['robots']) )
-                       $this->is_robots = true;
-
-               $qv['p'] =  absint($qv['p']);
-               $qv['page_id'] =  absint($qv['page_id']);
-               $qv['year'] = absint($qv['year']);
-               $qv['monthnum'] = absint($qv['monthnum']);
-               $qv['day'] = absint($qv['day']);
-               $qv['w'] = absint($qv['w']);
-               $qv['m'] = absint($qv['m']);
-               $qv['paged'] = absint($qv['paged']);
-               $qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
-               $qv['pagename'] = trim( $qv['pagename'] );
-               $qv['name'] = trim( $qv['name'] );
-               if ( '' !== $qv['hour'] ) $qv['hour'] = absint($qv['hour']);
-               if ( '' !== $qv['minute'] ) $qv['minute'] = absint($qv['minute']);
-               if ( '' !== $qv['second'] ) $qv['second'] = absint($qv['second']);
-               if ( '' !== $qv['menu_order'] ) $qv['menu_order'] = absint($qv['menu_order']);
-
-               // Compat. Map subpost to attachment.
-               if ( '' != $qv['subpost'] )
-                       $qv['attachment'] = $qv['subpost'];
-               if ( '' != $qv['subpost_id'] )
-                       $qv['attachment_id'] = $qv['subpost_id'];
-
-               $qv['attachment_id'] = absint($qv['attachment_id']);
-
-               if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) {
-                       $this->is_single = true;
-                       $this->is_attachment = true;
-               } elseif ( '' != $qv['name'] ) {
-                       $this->is_single = true;
-               } elseif ( $qv['p'] ) {
-                       $this->is_single = true;
-               } elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) {
-                       // If year, month, day, hour, minute, and second are set, a single
-                       // post is being queried.
-                       $this->is_single = true;
-               } elseif ( '' != $qv['static'] || '' != $qv['pagename'] || !empty($qv['page_id']) ) {
-                       $this->is_page = true;
-                       $this->is_single = false;
-               } else {
-               // Look for archive queries. Dates, categories, authors, search, post type archives.
-
-                       if ( !empty($qv['s']) ) {
-                               $this->is_search = true;
-                       }
-
-                       if ( '' !== $qv['second'] ) {
-                               $this->is_time = true;
-                               $this->is_date = true;
-                       }
-
-                       if ( '' !== $qv['minute'] ) {
-                               $this->is_time = true;
-                               $this->is_date = true;
-                       }
-
-                       if ( '' !== $qv['hour'] ) {
-                               $this->is_time = true;
-                               $this->is_date = true;
-                       }
-
-                       if ( $qv['day'] ) {
-                               if ( ! $this->is_date ) {
-                                       $this->is_day = true;
-                                       $this->is_date = true;
-                               }
-                       }
-
-                       if ( $qv['monthnum'] ) {
-                               if ( ! $this->is_date ) {
-                                       $this->is_month = true;
-                                       $this->is_date = true;
-                               }
-                       }
-
-                       if ( $qv['year'] ) {
-                               if ( ! $this->is_date ) {
-                                       $this->is_year = true;
-                                       $this->is_date = true;
-                               }
-                       }
-
-                       if ( $qv['m'] ) {
-                               $this->is_date = true;
-                               if ( strlen($qv['m']) > 9 ) {
-                                       $this->is_time = true;
-                               } else if ( strlen($qv['m']) > 7 ) {
-                                       $this->is_day = true;
-                               } else if ( strlen($qv['m']) > 5 ) {
-                                       $this->is_month = true;
-                               } else {
-                                       $this->is_year = true;
-                               }
-                       }
-
-                       if ( '' != $qv['w'] ) {
-                               $this->is_date = true;
-                       }
-
-                       $this->query_vars_hash = false;
-                       $this->parse_tax_query( $qv );
-
-                       foreach ( $this->tax_query->queries as $tax_query ) {
-                               if ( 'NOT IN' != $tax_query['operator'] ) {
-                                       switch ( $tax_query['taxonomy'] ) {
-                                               case 'category':
-                                                       $this->is_category = true;
-                                                       break;
-                                               case 'post_tag':
-                                                       $this->is_tag = true;
-                                                       break;
-                                               default:
-                                                       $this->is_tax = true;
-                                       }
-                               }
-                       }
-                       unset( $tax_query );
-
-                       if ( empty($qv['author']) || ($qv['author'] == '0') ) {
-                               $this->is_author = false;
-                       } else {
-                               $this->is_author = true;
-                       }
-
-                       if ( '' != $qv['author_name'] )
-                               $this->is_author = true;
-
-                       if ( !empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) {
-                               $post_type_obj = get_post_type_object( $qv['post_type'] );
-                               if ( ! empty( $post_type_obj->has_archive ) )
-                                       $this->is_post_type_archive = true;
-                       }
-
-                       if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax )
-                               $this->is_archive = true;
-               }
-
-               if ( '' != $qv['feed'] )
-                       $this->is_feed = true;
-
-               if ( '' != $qv['tb'] )
-                       $this->is_trackback = true;
-
-               if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) )
-                       $this->is_paged = true;
-
-               if ( '' != $qv['comments_popup'] )
-                       $this->is_comments_popup = true;
-
-               // if we're previewing inside the write screen
-               if ( '' != $qv['preview'] )
-                       $this->is_preview = true;
-
-               if ( is_admin() )
-                       $this->is_admin = true;
-
-               if ( false !== strpos($qv['feed'], 'comments-') ) {
-                       $qv['feed'] = str_replace('comments-', '', $qv['feed']);
-                       $qv['withcomments'] = 1;
-               }
-
-               $this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
-
-               if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) )
-                       $this->is_comment_feed = true;
-
-               if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup || $this->is_robots ) )
-                       $this->is_home = true;
-
-               // Correct is_* for page_on_front and page_for_posts
-               if ( $this->is_home && 'page' == get_option('show_on_front') && get_option('page_on_front') ) {
-                       $_query = wp_parse_args($this->query);
-                       // pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename.
-                       if ( isset($_query['pagename']) && '' == $_query['pagename'] )
-                               unset($_query['pagename']);
-                       if ( empty($_query) || !array_diff( array_keys($_query), array('preview', 'page', 'paged', 'cpage') ) ) {
-                               $this->is_page = true;
-                               $this->is_home = false;
-                               $qv['page_id'] = get_option('page_on_front');
-                               // Correct <!--nextpage--> for page_on_front
-                               if ( !empty($qv['paged']) ) {
-                                       $qv['page'] = $qv['paged'];
-                                       unset($qv['paged']);
-                               }
-                       }
-               }
-
-               if ( '' != $qv['pagename'] ) {
-                       $this->queried_object = get_page_by_path($qv['pagename']);
-                       if ( !empty($this->queried_object) )
-                               $this->queried_object_id = (int) $this->queried_object->ID;
-                       else
-                               unset($this->queried_object);
-
-                       if  ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) {
-                               $this->is_page = false;
-                               $this->is_home = true;
-                               $this->is_posts_page = true;
-                       }
-               }
-
-               if ( $qv['page_id'] ) {
-                       if  ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) {
-                               $this->is_page = false;
-                               $this->is_home = true;
-                               $this->is_posts_page = true;
-                       }
-               }
-
-               if ( !empty($qv['post_type']) ) {
-                       if ( is_array($qv['post_type']) )
-                               $qv['post_type'] = array_map('sanitize_key', $qv['post_type']);
-                       else
-                               $qv['post_type'] = sanitize_key($qv['post_type']);
-               }
-
-               if ( ! empty( $qv['post_status'] ) ) {
-                       if ( is_array( $qv['post_status'] ) )
-                               $qv['post_status'] = array_map('sanitize_key', $qv['post_status']);
-                       else
-                               $qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']);
-               }
-
-               if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) )
-                       $this->is_comment_feed = false;
-
-               $this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
-               // Done correcting is_* for page_on_front and page_for_posts
-
-               if ( '404' == $qv['error'] )
-                       $this->set_404();
-
-               $this->query_vars_hash = md5( serialize( $this->query_vars ) );
-               $this->query_vars_changed = false;
-
-               do_action_ref_array('parse_query', array(&$this));
-       }
-
-       /*
-        * Parses various taxonomy related query vars.
-        *
-        * @access protected
-        * @since 3.1.0
-        *
-        * @param array &$q The query variables
-        */
-       function parse_tax_query( &$q ) {
-               if ( ! empty( $q['tax_query'] ) && is_array( $q['tax_query'] ) ) {
-                       $tax_query = $q['tax_query'];
-               } else {
-                       $tax_query = array();
-               }
-
-               if ( !empty($q['taxonomy']) && !empty($q['term']) ) {
-                       $tax_query[] = array(
-                               'taxonomy' => $q['taxonomy'],
-                               'terms' => array( $q['term'] ),
-                               'field' => 'slug',
-                       );
-               }
-
-               foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) {
-                       if ( 'post_tag' == $taxonomy )
-                               continue;       // Handled further down in the $q['tag'] block
-
-                       if ( $t->query_var && !empty( $q[$t->query_var] ) ) {
-                               $tax_query_defaults = array(
-                                       'taxonomy' => $taxonomy,
-                                       'field' => 'slug',
-                               );
-
-                               if ( isset( $t->rewrite['hierarchical'] ) && $t->rewrite['hierarchical'] ) {
-                                       $q[$t->query_var] = wp_basename( $q[$t->query_var] );
-                               }
-
-                               $term = $q[$t->query_var];
-
-                               if ( strpos($term, '+') !== false ) {
-                                       $terms = preg_split( '/[+]+/', $term );
-                                       foreach ( $terms as $term ) {
-                                               $tax_query[] = array_merge( $tax_query_defaults, array(
-                                                       'terms' => array( $term )
-                                               ) );
-                                       }
-                               } else {
-                                       $tax_query[] = array_merge( $tax_query_defaults, array(
-                                               'terms' => preg_split( '/[,]+/', $term )
-                                       ) );
-                               }
-                       }
-               }
-
-               // Category stuff
-               if ( !empty($q['cat']) && '0' != $q['cat'] && !$this->is_singular && $this->query_vars_changed ) {
-                       $q['cat'] = ''.urldecode($q['cat']).'';
-                       $q['cat'] = addslashes_gpc($q['cat']);
-                       $cat_array = preg_split('/[,\s]+/', $q['cat']);
-                       $q['cat'] = '';
-                       $req_cats = array();
-                       foreach ( (array) $cat_array as $cat ) {
-                               $cat = intval($cat);
-                               $req_cats[] = $cat;
-                               $in = ($cat > 0);
-                               $cat = abs($cat);
-                               if ( $in ) {
-                                       $q['category__in'][] = $cat;
-                                       $q['category__in'] = array_merge( $q['category__in'], get_term_children($cat, 'category') );
-                               } else {
-                                       $q['category__not_in'][] = $cat;
-                                       $q['category__not_in'] = array_merge( $q['category__not_in'], get_term_children($cat, 'category') );
-                               }
-                       }
-                       $q['cat'] = implode(',', $req_cats);
-               }
-
-               if ( !empty($q['category__in']) ) {
-                       $q['category__in'] = array_map('absint', array_unique( (array) $q['category__in'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'category',
-                               'terms' => $q['category__in'],
-                               'field' => 'term_id',
-                               'include_children' => false
-                       );
-               }
-
-               if ( !empty($q['category__not_in']) ) {
-                       $q['category__not_in'] = array_map('absint', array_unique( (array) $q['category__not_in'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'category',
-                               'terms' => $q['category__not_in'],
-                               'operator' => 'NOT IN',
-                               'include_children' => false
-                       );
-               }
-
-               if ( !empty($q['category__and']) ) {
-                       $q['category__and'] = array_map('absint', array_unique( (array) $q['category__and'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'category',
-                               'terms' => $q['category__and'],
-                               'field' => 'term_id',
-                               'operator' => 'AND',
-                               'include_children' => false
-                       );
-               }
-
-               // Tag stuff
-               if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) {
-                       if ( strpos($q['tag'], ',') !== false ) {
-                               $tags = preg_split('/[,\r\n\t ]+/', $q['tag']);
-                               foreach ( (array) $tags as $tag ) {
-                                       $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
-                                       $q['tag_slug__in'][] = $tag;
-                               }
-                       } else if ( preg_match('/[+\r\n\t ]+/', $q['tag']) || !empty($q['cat']) ) {
-                               $tags = preg_split('/[+\r\n\t ]+/', $q['tag']);
-                               foreach ( (array) $tags as $tag ) {
-                                       $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
-                                       $q['tag_slug__and'][] = $tag;
-                               }
-                       } else {
-                               $q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db');
-                               $q['tag_slug__in'][] = $q['tag'];
-                       }
-               }
-
-               if ( !empty($q['tag_id']) ) {
-                       $q['tag_id'] = absint( $q['tag_id'] );
-                       $tax_query[] = array(
-                               'taxonomy' => 'post_tag',
-                               'terms' => $q['tag_id']
-                       );
-               }
-
-               if ( !empty($q['tag__in']) ) {
-                       $q['tag__in'] = array_map('absint', array_unique( (array) $q['tag__in'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'post_tag',
-                               'terms' => $q['tag__in']
-                       );
-               }
-
-               if ( !empty($q['tag__not_in']) ) {
-                       $q['tag__not_in'] = array_map('absint', array_unique( (array) $q['tag__not_in'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'post_tag',
-                               'terms' => $q['tag__not_in'],
-                               'operator' => 'NOT IN'
-                       );
-               }
-
-               if ( !empty($q['tag__and']) ) {
-                       $q['tag__and'] = array_map('absint', array_unique( (array) $q['tag__and'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'post_tag',
-                               'terms' => $q['tag__and'],
-                               'operator' => 'AND'
-                       );
-               }
-
-               if ( !empty($q['tag_slug__in']) ) {
-                       $q['tag_slug__in'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'post_tag',
-                               'terms' => $q['tag_slug__in'],
-                               'field' => 'slug'
-                       );
-               }
-
-               if ( !empty($q['tag_slug__and']) ) {
-                       $q['tag_slug__and'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) );
-                       $tax_query[] = array(
-                               'taxonomy' => 'post_tag',
-                               'terms' => $q['tag_slug__and'],
-                               'field' => 'slug',
-                               'operator' => 'AND'
-                       );
-               }
-
-               $this->tax_query = new WP_Tax_Query( $tax_query );
-       }
-
-       /**
-        * Sets the 404 property and saves whether query is feed.
-        *
-        * @since 2.0.0
-        * @access public
-        */
-       function set_404() {
-               $is_feed = $this->is_feed;
-
-               $this->init_query_flags();
-               $this->is_404 = true;
-
-               $this->is_feed = $is_feed;
-       }
-
-       /**
-        * Retrieve query variable.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @param string $query_var Query variable key.
-        * @return mixed
-        */
-       function get($query_var) {
-               if ( isset($this->query_vars[$query_var]) )
-                       return $this->query_vars[$query_var];
-
-               return '';
-       }
-
-       /**
-        * Set query variable.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @param string $query_var Query variable key.
-        * @param mixed $value Query variable value.
-        */
-       function set($query_var, $value) {
-               $this->query_vars[$query_var] = $value;
-       }
-
-       /**
-        * Retrieve the posts based on query variables.
-        *
-        * There are a few filters and actions that can be used to modify the post
-        * database query.
-        *
-        * @since 1.5.0
-        * @access public
-        * @uses do_action_ref_array() Calls 'pre_get_posts' hook before retrieving posts.
-        *
-        * @return array List of posts.
-        */
-       function get_posts() {
-               global $wpdb, $user_ID, $_wp_using_ext_object_cache;
-
-               $this->parse_query();
-
-               do_action_ref_array('pre_get_posts', array(&$this));
-
-               // Shorthand.
-               $q = &$this->query_vars;
-
-               // Fill again in case pre_get_posts unset some vars.
-               $q = $this->fill_query_vars($q);
-
-               // Parse meta query
-               $this->meta_query = new WP_Meta_Query();
-               $this->meta_query->parse_query_vars( $q );
-
-               // Set a flag if a pre_get_posts hook changed the query vars.
-               $hash = md5( serialize( $this->query_vars ) );
-               if ( $hash != $this->query_vars_hash ) {
-                       $this->query_vars_changed = true;
-                       $this->query_vars_hash = $hash;
-               }
-               unset($hash);
-
-               // First let's clear some variables
-               $distinct = '';
-               $whichauthor = '';
-               $whichmimetype = '';
-               $where = '';
-               $limits = '';
-               $join = '';
-               $search = '';
-               $groupby = '';
-               $fields = '';
-               $post_status_join = false;
-               $page = 1;
-
-               if ( isset( $q['caller_get_posts'] ) ) {
-                       _deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) );
-                       if ( !isset( $q['ignore_sticky_posts'] ) )
-                               $q['ignore_sticky_posts'] = $q['caller_get_posts'];
-               }
-
-               if ( !isset( $q['ignore_sticky_posts'] ) )
-                       $q['ignore_sticky_posts'] = false;
-
-               if ( !isset($q['suppress_filters']) )
-                       $q['suppress_filters'] = false;
-
-               if ( !isset($q['cache_results']) ) {
-                       if ( $_wp_using_ext_object_cache )
-                               $q['cache_results'] = false;
-                       else
-                               $q['cache_results'] = true;
-               }
-
-               if ( !isset($q['update_post_term_cache']) )
-                       $q['update_post_term_cache'] = true;
-
-               if ( !isset($q['update_post_meta_cache']) )
-                       $q['update_post_meta_cache'] = true;
-
-               if ( !isset($q['post_type']) ) {
-                       if ( $this->is_search )
-                               $q['post_type'] = 'any';
-                       else
-                               $q['post_type'] = '';
-               }
-               $post_type = $q['post_type'];
-               if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
-                       $q['posts_per_page'] = get_option('posts_per_page');
-               if ( isset($q['showposts']) && $q['showposts'] ) {
-                       $q['showposts'] = (int) $q['showposts'];
-                       $q['posts_per_page'] = $q['showposts'];
-               }
-               if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
-                       $q['posts_per_page'] = $q['posts_per_archive_page'];
-               if ( !isset($q['nopaging']) ) {
-                       if ( $q['posts_per_page'] == -1 ) {
-                               $q['nopaging'] = true;
-                       } else {
-                               $q['nopaging'] = false;
-                       }
-               }
-               if ( $this->is_feed ) {
-                       $q['posts_per_page'] = get_option('posts_per_rss');
-                       $q['nopaging'] = false;
-               }
-               $q['posts_per_page'] = (int) $q['posts_per_page'];
-               if ( $q['posts_per_page'] < -1 )
-                       $q['posts_per_page'] = abs($q['posts_per_page']);
-               else if ( $q['posts_per_page'] == 0 )
-                       $q['posts_per_page'] = 1;
-
-               if ( !isset($q['comments_per_page']) || $q['comments_per_page'] == 0 )
-                       $q['comments_per_page'] = get_option('comments_per_page');
-
-               if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) {
-                       $this->is_page = true;
-                       $this->is_home = false;
-                       $q['page_id'] = get_option('page_on_front');
-               }
-
-               if ( isset($q['page']) ) {
-                       $q['page'] = trim($q['page'], '/');
-                       $q['page'] = absint($q['page']);
-               }
-
-               // If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
-               if ( isset($q['no_found_rows']) )
-                       $q['no_found_rows'] = (bool) $q['no_found_rows'];
-               else
-                       $q['no_found_rows'] = false;
-
-               switch ( $q['fields'] ) {
-                       case 'ids':
-                               $fields = "$wpdb->posts.ID";
-                               break;
-                       case 'id=>parent':
-                               $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent";
-                               break;
-                       default:
-                               $fields = "$wpdb->posts.*";
-               }
-
-               if ( '' !== $q['menu_order'] )
-                       $where .= " AND $wpdb->posts.menu_order = " . $q['menu_order'];
-
-               // If a month is specified in the querystring, load that month
-               if ( $q['m'] ) {
-                       $q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
-                       $where .= " AND YEAR($wpdb->posts.post_date)=" . substr($q['m'], 0, 4);
-                       if ( strlen($q['m']) > 5 )
-                               $where .= " AND MONTH($wpdb->posts.post_date)=" . substr($q['m'], 4, 2);
-                       if ( strlen($q['m']) > 7 )
-                               $where .= " AND DAYOFMONTH($wpdb->posts.post_date)=" . substr($q['m'], 6, 2);
-                       if ( strlen($q['m']) > 9 )
-                               $where .= " AND HOUR($wpdb->posts.post_date)=" . substr($q['m'], 8, 2);
-                       if ( strlen($q['m']) > 11 )
-                               $where .= " AND MINUTE($wpdb->posts.post_date)=" . substr($q['m'], 10, 2);
-                       if ( strlen($q['m']) > 13 )
-                               $where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2);
-               }
-
-               if ( '' !== $q['hour'] )
-                       $where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'";
-
-               if ( '' !== $q['minute'] )
-                       $where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'";
-
-               if ( '' !== $q['second'] )
-                       $where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'";
-
-               if ( $q['year'] )
-                       $where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'";
-
-               if ( $q['monthnum'] )
-                       $where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'";
-
-               if ( $q['day'] )
-                       $where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $q['day'] . "'";
-
-               // If we've got a post_type AND its not "any" post_type.
-               if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) {
-                       foreach ( (array)$q['post_type'] as $_post_type ) {
-                               $ptype_obj = get_post_type_object($_post_type);
-                               if ( !$ptype_obj || !$ptype_obj->query_var || empty($q[ $ptype_obj->query_var ]) )
-                                       continue;
-
-                               if ( ! $ptype_obj->hierarchical || strpos($q[ $ptype_obj->query_var ], '/') === false ) {
-                                       // Non-hierarchical post_types & parent-level-hierarchical post_types can directly use 'name'
-                                       $q['name'] = $q[ $ptype_obj->query_var ];
-                               } else {
-                                       // Hierarchical post_types will operate through the
-                                       $q['pagename'] = $q[ $ptype_obj->query_var ];
-                                       $q['name'] = '';
-                               }
-
-                               // Only one request for a slug is possible, this is why name & pagename are overwritten above.
-                               break;
-                       } //end foreach
-                       unset($ptype_obj);
-               }
-
-               if ( '' != $q['name'] ) {
-                       $q['name'] = sanitize_title_for_query( $q['name'] );
-                       $where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'";
-               } elseif ( '' != $q['pagename'] ) {
-                       if ( isset($this->queried_object_id) ) {
-                               $reqpage = $this->queried_object_id;
-                       } else {
-                               if ( 'page' != $q['post_type'] ) {
-                                       foreach ( (array)$q['post_type'] as $_post_type ) {
-                                               $ptype_obj = get_post_type_object($_post_type);
-                                               if ( !$ptype_obj || !$ptype_obj->hierarchical )
-                                                       continue;
-
-                                               $reqpage = get_page_by_path($q['pagename'], OBJECT, $_post_type);
-                                               if ( $reqpage )
-                                                       break;
-                                       }
-                                       unset($ptype_obj);
-                               } else {
-                                       $reqpage = get_page_by_path($q['pagename']);
-                               }
-                               if ( !empty($reqpage) )
-                                       $reqpage = $reqpage->ID;
-                               else
-                                       $reqpage = 0;
-                       }
-
-                       $page_for_posts = get_option('page_for_posts');
-                       if  ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) {
-                               $q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
-                               $q['name'] = $q['pagename'];
-                               $where .= " AND ($wpdb->posts.ID = '$reqpage')";
-                               $reqpage_obj = get_post( $reqpage );
-                               if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) {
-                                       $this->is_attachment = true;
-                                       $post_type = $q['post_type'] = 'attachment';
-                                       $this->is_page = true;
-                                       $q['attachment_id'] = $reqpage;
-                               }
-                       }
-               } elseif ( '' != $q['attachment'] ) {
-                       $q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
-                       $q['name'] = $q['attachment'];
-                       $where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'";
-               }
-
-               if ( $q['w'] )
-                       $where .= ' AND ' . _wp_mysql_week( "`$wpdb->posts`.`post_date`" ) . " = '" . $q['w'] . "'";
-
-               if ( intval($q['comments_popup']) )
-                       $q['p'] = absint($q['comments_popup']);
-
-               // If an attachment is requested by number, let it supersede any post number.
-               if ( $q['attachment_id'] )
-                       $q['p'] = absint($q['attachment_id']);
-
-               // If a post number is specified, load that post
-               if ( $q['p'] ) {
-                       $where .= " AND {$wpdb->posts}.ID = " . $q['p'];
-               } elseif ( $q['post__in'] ) {
-                       $post__in = implode(',', array_map( 'absint', $q['post__in'] ));
-                       $where .= " AND {$wpdb->posts}.ID IN ($post__in)";
-               } elseif ( $q['post__not_in'] ) {
-                       $post__not_in = implode(',',  array_map( 'absint', $q['post__not_in'] ));
-                       $where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
-               }
-
-               if ( is_numeric($q['post_parent']) )
-                       $where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] );
-
-               if ( $q['page_id'] ) {
-                       if  ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) {
-                               $q['p'] = $q['page_id'];
-                               $where = " AND {$wpdb->posts}.ID = " . $q['page_id'];
-                       }
-               }
-
-               // If a search pattern is specified, load the posts that match
-               if ( !empty($q['s']) ) {
-                       // added slashes screw with quote grouping when done early, so done later
-                       $q['s'] = stripslashes($q['s']);
-                       if ( empty( $_GET['s'] ) && $this->is_main_query() )
-                               $q['s'] = urldecode($q['s']);
-                       if ( !empty($q['sentence']) ) {
-                               $q['search_terms'] = array($q['s']);
-                       } else {
-                               preg_match_all('/".*?("|$)|((?<=[\r\n\t ",+])|^)[^\r\n\t ",+]+/', $q['s'], $matches);
-                               $q['search_terms'] = array_map('_search_terms_tidy', $matches[0]);
-                       }
-                       $n = !empty($q['exact']) ? '' : '%';
-                       $searchand = '';
-                       foreach( (array) $q['search_terms'] as $term ) {
-                               $term = esc_sql( like_escape( $term ) );
-                               $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))";
-                               $searchand = ' AND ';
-                       }
-
-                       if ( !empty($search) ) {
-                               $search = " AND ({$search}) ";
-                               if ( !is_user_logged_in() )
-                                       $search .= " AND ($wpdb->posts.post_password = '') ";
-                       }
-               }
-
-               // Allow plugins to contextually add/remove/modify the search section of the database query
-               $search = apply_filters_ref_array('posts_search', array( $search, &$this ) );
-
-               // Taxonomies
-               if ( !$this->is_singular ) {
-                       $this->parse_tax_query( $q );
-
-                       $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
-
-                       $join .= $clauses['join'];
-                       $where .= $clauses['where'];
-               }
-
-               if ( $this->is_tax ) {
-                       if ( empty($post_type) ) {
-                               // Do a fully inclusive search for currently registered post types of queried taxonomies
-                               $post_type = array();
-                               $taxonomies = wp_list_pluck( $this->tax_query->queries, 'taxonomy' );
-                               foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) {
-                                       $object_taxonomies = $pt === 'attachment' ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt );
-                                       if ( array_intersect( $taxonomies, $object_taxonomies ) )
-                                               $post_type[] = $pt;
-                               }
-                               if ( ! $post_type )
-                                       $post_type = 'any';
-
-                               $post_status_join = true;
-                       } elseif ( in_array('attachment', (array) $post_type) ) {
-                               $post_status_join = true;
-                       }
-               }
-
-               // Back-compat
-               if ( !empty($this->tax_query->queries) ) {
-                       $tax_query_in_and = wp_list_filter( $this->tax_query->queries, array( 'operator' => 'NOT IN' ), 'NOT' );
-                       if ( !empty( $tax_query_in_and ) ) {
-                               if ( !isset( $q['taxonomy'] ) ) {
-                                       foreach ( $tax_query_in_and as $a_tax_query ) {
-                                               if ( !in_array( $a_tax_query['taxonomy'], array( 'category', 'post_tag' ) ) ) {
-                                                       $q['taxonomy'] = $a_tax_query['taxonomy'];
-                                                       if ( 'slug' == $a_tax_query['field'] )
-                                                               $q['term'] = $a_tax_query['terms'][0];
-                                                       else
-                                                               $q['term_id'] = $a_tax_query['terms'][0];
-
-                                                       break;
-                                               }
-                                       }
-                               }
-
-                               $cat_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'category' ) );
-                               if ( !empty( $cat_query ) ) {
-                                       $cat_query = reset( $cat_query );
-                                       $the_cat = get_term_by( $cat_query['field'], $cat_query['terms'][0], 'category' );
-                                       if ( $the_cat ) {
-                                               $this->set( 'cat', $the_cat->term_id );
-                                               $this->set( 'category_name', $the_cat->slug );
-                                       }
-                                       unset( $the_cat );
-                               }
-                               unset( $cat_query );
-
-                               $tag_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'post_tag' ) );
-                               if ( !empty( $tag_query ) ) {
-                                       $tag_query = reset( $tag_query );
-                                       $the_tag = get_term_by( $tag_query['field'], $tag_query['terms'][0], 'post_tag' );
-                                       if ( $the_tag ) {
-                                               $this->set( 'tag_id', $the_tag->term_id );
-                                       }
-                                       unset( $the_tag );
-                               }
-                               unset( $tag_query );
-                       }
-               }
-
-               if ( !empty( $this->tax_query->queries ) || !empty( $this->meta_query->queries ) ) {
-                       $groupby = "{$wpdb->posts}.ID";
-               }
-
-               // Author/user stuff
-
-               if ( empty($q['author']) || ($q['author'] == '0') ) {
-                       $whichauthor = '';
-               } else {
-                       $q['author'] = (string)urldecode($q['author']);
-                       $q['author'] = addslashes_gpc($q['author']);
-                       if ( strpos($q['author'], '-') !== false ) {
-                               $eq = '!=';
-                               $andor = 'AND';
-                               $q['author'] = explode('-', $q['author']);
-                               $q['author'] = (string)absint($q['author'][1]);
-                       } else {
-                               $eq = '=';
-                               $andor = 'OR';
-                       }
-                       $author_array = preg_split('/[,\s]+/', $q['author']);
-                       $_author_array = array();
-                       foreach ( $author_array as $key => $_author )
-                               $_author_array[] = "$wpdb->posts.post_author " . $eq . ' ' . absint($_author);
-                       $whichauthor .= ' AND (' . implode(" $andor ", $_author_array) . ')';
-                       unset($author_array, $_author_array);
-               }
-
-               // Author stuff for nice URLs
-
-               if ( '' != $q['author_name'] ) {
-                       if ( strpos($q['author_name'], '/') !== false ) {
-                               $q['author_name'] = explode('/', $q['author_name']);
-                               if ( $q['author_name'][ count($q['author_name'])-1 ] ) {
-                                       $q['author_name'] = $q['author_name'][count($q['author_name'])-1]; // no trailing slash
-                               } else {
-                                       $q['author_name'] = $q['author_name'][count($q['author_name'])-2]; // there was a trailing slash
-                               }
-                       }
-                       $q['author_name'] = sanitize_title_for_query( $q['author_name'] );
-                       $q['author'] = get_user_by('slug', $q['author_name']);
-                       if ( $q['author'] )
-                               $q['author'] = $q['author']->ID;
-                       $whichauthor .= " AND ($wpdb->posts.post_author = " . absint($q['author']) . ')';
-               }
-
-               // MIME-Type stuff for attachment browsing
-
-               if ( isset( $q['post_mime_type'] ) && '' != $q['post_mime_type'] )
-                       $whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts );
-
-               $where .= $search . $whichauthor . $whichmimetype;
-
-               if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) )
-                       $q['order'] = 'DESC';
-
-               // Order by
-               if ( empty($q['orderby']) ) {
-                       $orderby = "$wpdb->posts.post_date " . $q['order'];
-               } elseif ( 'none' == $q['orderby'] ) {
-                       $orderby = '';
-               } elseif ( $q['orderby'] == 'post__in' && ! empty( $post__in ) ) {
-                       $orderby = "FIELD( {$wpdb->posts}.ID, $post__in )";
-               } else {
-                       // Used to filter values
-                       $allowed_keys = array('name', 'author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count');
-                       if ( !empty($q['meta_key']) ) {
-                               $allowed_keys[] = $q['meta_key'];
-                               $allowed_keys[] = 'meta_value';
-                               $allowed_keys[] = 'meta_value_num';
-                       }
-                       $q['orderby'] = urldecode($q['orderby']);
-                       $q['orderby'] = addslashes_gpc($q['orderby']);
-
-                       $orderby_array = array();
-                       foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
-                               // Only allow certain values for safety
-                               if ( ! in_array($orderby, $allowed_keys) )
-                                       continue;
-
-                               switch ( $orderby ) {
-                                       case 'menu_order':
-                                               $orderby = "$wpdb->posts.menu_order";
-                                               break;
-                                       case 'ID':
-                                               $orderby = "$wpdb->posts.ID";
-                                               break;
-                                       case 'rand':
-                                               $orderby = 'RAND()';
-                                               break;
-                                       case $q['meta_key']:
-                                       case 'meta_value':
-                                               $orderby = "$wpdb->postmeta.meta_value";
-                                               break;
-                                       case 'meta_value_num':
-                                               $orderby = "$wpdb->postmeta.meta_value+0";
-                                               break;
-                                       case 'comment_count':
-                                               $orderby = "$wpdb->posts.comment_count";
-                                               break;
-                                       default:
-                                               $orderby = "$wpdb->posts.post_" . $orderby;
-                               }
-
-                               $orderby_array[] = $orderby;
-                       }
-                       $orderby = implode( ',', $orderby_array );
-
-                       if ( empty( $orderby ) )
-                               $orderby = "$wpdb->posts.post_date ".$q['order'];
-                       else
-                               $orderby .= " {$q['order']}";
-               }
-
-               if ( is_array( $post_type ) ) {
-                       $post_type_cap = 'multiple_post_type';
-               } else {
-                       $post_type_object = get_post_type_object( $post_type );
-                       if ( empty( $post_type_object ) )
-                               $post_type_cap = $post_type;
-               }
-
-               if ( 'any' == $post_type ) {
-                       $in_search_post_types = get_post_types( array('exclude_from_search' => false) );
-                       if ( ! empty( $in_search_post_types ) )
-                               $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')";
-               } elseif ( !empty( $post_type ) && is_array( $post_type ) ) {
-                       $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $post_type) . "')";
-               } elseif ( ! empty( $post_type ) ) {
-                       $where .= " AND $wpdb->posts.post_type = '$post_type'";
-                       $post_type_object = get_post_type_object ( $post_type );
-               } elseif ( $this->is_attachment ) {
-                       $where .= " AND $wpdb->posts.post_type = 'attachment'";
-                       $post_type_object = get_post_type_object ( 'attachment' );
-               } elseif ( $this->is_page ) {
-                       $where .= " AND $wpdb->posts.post_type = 'page'";
-                       $post_type_object = get_post_type_object ( 'page' );
-               } else {
-                       $where .= " AND $wpdb->posts.post_type = 'post'";
-                       $post_type_object = get_post_type_object ( 'post' );
-               }
-
-               if ( ! empty( $post_type_object ) ) {
-                       $edit_cap = $post_type_object->cap->edit_post;
-                       $read_cap = $post_type_object->cap->read_post;
-                       $edit_others_cap = $post_type_object->cap->edit_others_posts;
-                       $read_private_cap = $post_type_object->cap->read_private_posts;
-               } else {
-                       $edit_cap = 'edit_' . $post_type_cap;
-                       $read_cap = 'read_' . $post_type_cap;
-                       $edit_others_cap = 'edit_others_' . $post_type_cap . 's';
-                       $read_private_cap = 'read_private_' . $post_type_cap . 's';
-               }
-
-               if ( ! empty( $q['post_status'] ) ) {
-                       $statuswheres = array();
-                       $q_status = $q['post_status'];
-                       if ( ! is_array( $q_status ) )
-                               $q_status = explode(',', $q_status);
-                       $r_status = array();
-                       $p_status = array();
-                       $e_status = array();
-                       if ( in_array('any', $q_status) ) {
-                               foreach ( get_post_stati( array('exclude_from_search' => true) ) as $status )
-                                       $e_status[] = "$wpdb->posts.post_status <> '$status'";
-                       } else {
-                               foreach ( get_post_stati() as $status ) {
-                                       if ( in_array( $status, $q_status ) ) {
-                                               if ( 'private' == $status )
-                                                       $p_status[] = "$wpdb->posts.post_status = '$status'";
-                                               else
-                                                       $r_status[] = "$wpdb->posts.post_status = '$status'";
-                                       }
-                               }
-                       }
-
-                       if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) {
-                               $r_status = array_merge($r_status, $p_status);
-                               unset($p_status);
-                       }
-
-                       if ( !empty($e_status) ) {
-                               $statuswheres[] = "(" . join( ' AND ', $e_status ) . ")";
-                       }
-                       if ( !empty($r_status) ) {
-                               if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can($edit_others_cap) )
-                                       $statuswheres[] = "($wpdb->posts.post_author = $user_ID " . "AND (" . join( ' OR ', $r_status ) . "))";
-                               else
-                                       $statuswheres[] = "(" . join( ' OR ', $r_status ) . ")";
-                       }
-                       if ( !empty($p_status) ) {
-                               if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can($read_private_cap) )
-                                       $statuswheres[] = "($wpdb->posts.post_author = $user_ID " . "AND (" . join( ' OR ', $p_status ) . "))";
-                               else
-                                       $statuswheres[] = "(" . join( ' OR ', $p_status ) . ")";
-                       }
-                       if ( $post_status_join ) {
-                               $join .= " LEFT JOIN $wpdb->posts AS p2 ON ($wpdb->posts.post_parent = p2.ID) ";
-                               foreach ( $statuswheres as $index => $statuswhere )
-                                       $statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))";
-                       }
-                       foreach ( $statuswheres as $statuswhere )
-                               $where .= " AND $statuswhere";
-               } elseif ( !$this->is_singular ) {
-                       $where .= " AND ($wpdb->posts.post_status = 'publish'";
-
-                       // Add public states.
-                       $public_states = get_post_stati( array('public' => true) );
-                       foreach ( (array) $public_states as $state ) {
-                               if ( 'publish' == $state ) // Publish is hard-coded above.
-                                       continue;
-                               $where .= " OR $wpdb->posts.post_status = '$state'";
-                       }
-
-                       if ( $this->is_admin ) {
-                               // Add protected states that should show in the admin all list.
-                               $admin_all_states = get_post_stati( array('protected' => true, 'show_in_admin_all_list' => true) );
-                               foreach ( (array) $admin_all_states as $state )
-                                       $where .= " OR $wpdb->posts.post_status = '$state'";
-                       }
-
-                       if ( is_user_logged_in() ) {
-                               // Add private states that are limited to viewing by the author of a post or someone who has caps to read private states.
-                               $private_states = get_post_stati( array('private' => true) );
-                               foreach ( (array) $private_states as $state )
-                                       $where .= current_user_can( $read_private_cap ) ? " OR $wpdb->posts.post_status = '$state'" : " OR $wpdb->posts.post_author = $user_ID AND $wpdb->posts.post_status = '$state'";
-                       }
-
-                       $where .= ')';
-               }
-
-               if ( !empty( $this->meta_query->queries ) ) {
-                       $clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this );
-                       $join .= $clauses['join'];
-                       $where .= $clauses['where'];
-               }
-
-               // Apply filters on where and join prior to paging so that any
-               // manipulations to them are reflected in the paging by day queries.
-               if ( !$q['suppress_filters'] ) {
-                       $where = apply_filters_ref_array('posts_where', array( $where, &$this ) );
-                       $join = apply_filters_ref_array('posts_join', array( $join, &$this ) );
-               }
-
-               // Paging
-               if ( empty($q['nopaging']) && !$this->is_singular ) {
-                       $page = absint($q['paged']);
-                       if ( !$page )
-                               $page = 1;
-
-                       if ( empty($q['offset']) ) {
-                               $pgstrt = ($page - 1) * $q['posts_per_page'] . ', ';
-                       } else { // we're ignoring $page and using 'offset'
-                               $q['offset'] = absint($q['offset']);
-                               $pgstrt = $q['offset'] . ', ';
-                       }
-                       $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
-               }
-
-               // Comments feeds
-               if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) {
-                       if ( $this->is_archive || $this->is_search ) {
-                               $cjoin = "JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join ";
-                               $cwhere = "WHERE comment_approved = '1' $where";
-                               $cgroupby = "$wpdb->comments.comment_id";
-                       } else { // Other non singular e.g. front
-                               $cjoin = "JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )";
-                               $cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'";
-                               $cgroupby = '';
-                       }
-
-                       if ( !$q['suppress_filters'] ) {
-                               $cjoin = apply_filters_ref_array('comment_feed_join', array( $cjoin, &$this ) );
-                               $cwhere = apply_filters_ref_array('comment_feed_where', array( $cwhere, &$this ) );
-                               $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( $cgroupby, &$this ) );
-                               $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
-                               $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
-                       }
-                       $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
-                       $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
-
-                       $this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits");
-                       $this->comment_count = count($this->comments);
-
-                       $post_ids = array();
-
-                       foreach ( $this->comments as $comment )
-                               $post_ids[] = (int) $comment->comment_post_ID;
-
-                       $post_ids = join(',', $post_ids);
-                       $join = '';
-                       if ( $post_ids )
-                               $where = "AND $wpdb->posts.ID IN ($post_ids) ";
-                       else
-                               $where = "AND 0";
-               }
-
-               $pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
-
-               // Apply post-paging filters on where and join. Only plugins that
-               // manipulate paging queries should use these hooks.
-               if ( !$q['suppress_filters'] ) {
-                       $where          = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
-                       $groupby        = apply_filters_ref_array( 'posts_groupby',             array( $groupby, &$this ) );
-                       $join           = apply_filters_ref_array( 'posts_join_paged',  array( $join, &$this ) );
-                       $orderby        = apply_filters_ref_array( 'posts_orderby',             array( $orderby, &$this ) );
-                       $distinct       = apply_filters_ref_array( 'posts_distinct',    array( $distinct, &$this ) );
-                       $limits         = apply_filters_ref_array( 'post_limits',               array( $limits, &$this ) );
-                       $fields         = apply_filters_ref_array( 'posts_fields',              array( $fields, &$this ) );
-
-                       // Filter all clauses at once, for convenience
-                       $clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );
-                       foreach ( $pieces as $piece )
-                               $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
-               }
-
-               // Announce current selection parameters. For use by caching plugins.
-               do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
-
-               // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above.
-               if ( !$q['suppress_filters'] ) {
-                       $where          = apply_filters_ref_array( 'posts_where_request',               array( $where, &$this ) );
-                       $groupby        = apply_filters_ref_array( 'posts_groupby_request',             array( $groupby, &$this ) );
-                       $join           = apply_filters_ref_array( 'posts_join_request',                array( $join, &$this ) );
-                       $orderby        = apply_filters_ref_array( 'posts_orderby_request',             array( $orderby, &$this ) );
-                       $distinct       = apply_filters_ref_array( 'posts_distinct_request',    array( $distinct, &$this ) );
-                       $fields         = apply_filters_ref_array( 'posts_fields_request',              array( $fields, &$this ) );
-                       $limits         = apply_filters_ref_array( 'post_limits_request',               array( $limits, &$this ) );
-
-                       // Filter all clauses at once, for convenience
-                       $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );
-                       foreach ( $pieces as $piece )
-                               $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
-               }
-
-               if ( ! empty($groupby) )
-                       $groupby = 'GROUP BY ' . $groupby;
-               if ( !empty( $orderby ) )
-                       $orderby = 'ORDER BY ' . $orderby;
-
-               $found_rows = '';
-               if ( !$q['no_found_rows'] && !empty($limits) )
-                       $found_rows = 'SQL_CALC_FOUND_ROWS';
-
-               $this->request = $old_request = "SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
-
-               if ( !$q['suppress_filters'] ) {
-                       $this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
-               }
-
-               if ( 'ids' == $q['fields'] ) {
-                       $this->posts = $wpdb->get_col( $this->request );
-                       $this->post_count = count( $this->posts );
-                       $this->set_found_posts( $q, $limits );
-
-                       return $this->posts;
-               }
-
-               if ( 'id=>parent' == $q['fields'] ) {
-                       $this->posts = $wpdb->get_results( $this->request );
-                       $this->post_count = count( $this->posts );
-                       $this->set_found_posts( $q, $limits );
-
-                       $r = array();
-                       foreach ( $this->posts as $post )
-                               $r[ $post->ID ] = $post->post_parent;
-
-                       return $r;
-               }
-
-               $split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
-               $split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );
-
-               if ( $split_the_query ) {
-                       // First get the IDs and then fill in the objects
-
-                       $this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
-
-                       $this->request = apply_filters( 'posts_request_ids', $this->request, $this );
-
-                       $ids = $wpdb->get_col( $this->request );
-
-                       if ( $ids ) {
-                               $this->posts = $ids;
-                               $this->set_found_posts( $q, $limits );
-                               _prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
-                       } else {
-                               $this->posts = array();
-                       }
-               } else {
-                       $this->posts = $wpdb->get_results( $this->request );
-                       $this->set_found_posts( $q, $limits );
-               }
-
-               // Convert to WP_Post objects
-               if ( $this->posts )
-                       $this->posts = array_map( 'get_post', $this->posts );
-
-               // Raw results filter. Prior to status checks.
-               if ( !$q['suppress_filters'] )
-                       $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) );
-
-               if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
-                       $cjoin = apply_filters_ref_array('comment_feed_join', array( '', &$this ) );
-                       $cwhere = apply_filters_ref_array('comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
-                       $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( '', &$this ) );
-                       $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
-                       $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
-                       $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
-                       $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
-                       $comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
-                       $this->comments = $wpdb->get_results($comments_request);
-                       $this->comment_count = count($this->comments);
-               }
-
-               // Check post status to determine if post should be displayed.
-               if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) {
-                       $status = get_post_status($this->posts[0]);
-                       $post_status_obj = get_post_status_object($status);
-                       //$type = get_post_type($this->posts[0]);
-                       if ( !$post_status_obj->public ) {
-                               if ( ! is_user_logged_in() ) {
-                                       // User must be logged in to view unpublished posts.
-                                       $this->posts = array();
-                               } else {
-                                       if  ( $post_status_obj->protected ) {
-                                               // User must have edit permissions on the draft to preview.
-                                               if ( ! current_user_can($edit_cap, $this->posts[0]->ID) ) {
-                                                       $this->posts = array();
-                                               } else {
-                                                       $this->is_preview = true;
-                                                       if ( 'future' != $status )
-                                                               $this->posts[0]->post_date = current_time('mysql');
-                                               }
-                                       } elseif ( $post_status_obj->private ) {
-                                               if ( ! current_user_can($read_cap, $this->posts[0]->ID) )
-                                                       $this->posts = array();
-                                       } else {
-                                               $this->posts = array();
-                                       }
-                               }
-                       }
-
-                       if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) )
-                               $this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) );
-               }
-
-               // Put sticky posts at the top of the posts array
-               $sticky_posts = get_option('sticky_posts');
-               if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) {
-                       $num_posts = count($this->posts);
-                       $sticky_offset = 0;
-                       // Loop over posts and relocate stickies to the front.
-                       for ( $i = 0; $i < $num_posts; $i++ ) {
-                               if ( in_array($this->posts[$i]->ID, $sticky_posts) ) {
-                                       $sticky_post = $this->posts[$i];
-                                       // Remove sticky from current position
-                                       array_splice($this->posts, $i, 1);
-                                       // Move to front, after other stickies
-                                       array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
-                                       // Increment the sticky offset. The next sticky will be placed at this offset.
-                                       $sticky_offset++;
-                                       // Remove post from sticky posts array
-                                       $offset = array_search($sticky_post->ID, $sticky_posts);
-                                       unset( $sticky_posts[$offset] );
-                               }
-                       }
-
-                       // If any posts have been excluded specifically, Ignore those that are sticky.
-                       if ( !empty($sticky_posts) && !empty($q['post__not_in']) )
-                               $sticky_posts = array_diff($sticky_posts, $q['post__not_in']);
-
-                       // Fetch sticky posts that weren't in the query results
-                       if ( !empty($sticky_posts) ) {
-                               $stickies = get_posts( array(
-                                       'post__in' => $sticky_posts,
-                                       'post_type' => $post_type,
-                                       'post_status' => 'publish',
-                                       'nopaging' => true
-                               ) );
-
-                               foreach ( $stickies as $sticky_post ) {
-                                       array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) );
-                                       $sticky_offset++;
-                               }
-                       }
-               }
-
-               if ( !$q['suppress_filters'] )
-                       $this->posts = apply_filters_ref_array('the_posts', array( $this->posts, &$this ) );
-
-               // Ensure that any posts added/modified via one of the filters above are
-               // of the type WP_Post and are filtered.
-               if ( $this->posts ) {
-                       $this->post_count = count( $this->posts );
-
-                       $this->posts = array_map( 'get_post', $this->posts );
-
-                       if ( $q['cache_results'] )
-                               update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']);
-
-                       $this->post = reset( $this->posts );
-               } else {
-                       $this->post_count = 0;
-                       $this->posts = array();
-               }
-
-               return $this->posts;
-       }
-
-       /**
-        * Set up the amount of found posts and the number of pages (if limit clause was used)
-        * for the current query.
-        *
-        * @since 3.5.0
-        * @access private
-        */
-       function set_found_posts( $q, $limits ) {
-               global $wpdb;
-
-               // Bail if posts is an empty array. Continue if posts is an empty string
-               // null, or false to accommodate caching plugins that fill posts later.
-               if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) )
-                       return;
-
-               if ( ! empty( $limits ) )
-                       $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
-               else
-                       $this->found_posts = count( $this->posts );
-
-               $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
-
-               if ( ! empty( $limits ) )
-                       $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
-       }
-
-       /**
-        * Set up the next post and iterate current post index.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @return WP_Post Next post.
-        */
-       function next_post() {
-
-               $this->current_post++;
-
-               $this->post = $this->posts[$this->current_post];
-               return $this->post;
-       }
-
-       /**
-        * Sets up the current post.
-        *
-        * Retrieves the next post, sets up the post, sets the 'in the loop'
-        * property to true.
-        *
-        * @since 1.5.0
-        * @access public
-        * @uses $post
-        * @uses do_action_ref_array() Calls 'loop_start' if loop has just started
-        */
-       function the_post() {
-               global $post;
-               $this->in_the_loop = true;
-
-               if ( $this->current_post == -1 ) // loop has just started
-                       do_action_ref_array('loop_start', array(&$this));
-
-               $post = $this->next_post();
-               setup_postdata($post);
-       }
-
-       /**
-        * Whether there are more posts available in the loop.
-        *
-        * Calls action 'loop_end', when the loop is complete.
-        *
-        * @since 1.5.0
-        * @access public
-        * @uses do_action_ref_array() Calls 'loop_end' if loop is ended
-        *
-        * @return bool True if posts are available, false if end of loop.
-        */
-       function have_posts() {
-               if ( $this->current_post + 1 < $this->post_count ) {
-                       return true;
-               } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
-                       do_action_ref_array('loop_end', array(&$this));
-                       // Do some cleaning up after the loop
-                       $this->rewind_posts();
-               }
-
-               $this->in_the_loop = false;
-               return false;
-       }
-
-       /**
-        * Rewind the posts and reset post index.
-        *
-        * @since 1.5.0
-        * @access public
-        */
-       function rewind_posts() {
-               $this->current_post = -1;
-               if ( $this->post_count > 0 ) {
-                       $this->post = $this->posts[0];
-               }
-       }
-
-       /**
-        * Iterate current comment index and return comment object.
-        *
-        * @since 2.2.0
-        * @access public
-        *
-        * @return object Comment object.
-        */
-       function next_comment() {
-               $this->current_comment++;
-
-               $this->comment = $this->comments[$this->current_comment];
-               return $this->comment;
-       }
-
-       /**
-        * Sets up the current comment.
-        *
-        * @since 2.2.0
-        * @access public
-        * @global object $comment Current comment.
-        * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed.
-        */
-       function the_comment() {
-               global $comment;
-
-               $comment = $this->next_comment();
-
-               if ( $this->current_comment == 0 ) {
-                       do_action('comment_loop_start');
-               }
-       }
-
-       /**
-        * Whether there are more comments available.
-        *
-        * Automatically rewinds comments when finished.
-        *
-        * @since 2.2.0
-        * @access public
-        *
-        * @return bool True, if more comments. False, if no more posts.
-        */
-       function have_comments() {
-               if ( $this->current_comment + 1 < $this->comment_count ) {
-                       return true;
-               } elseif ( $this->current_comment + 1 == $this->comment_count ) {
-                       $this->rewind_comments();
-               }
-
-               return false;
-       }
-
-       /**
-        * Rewind the comments, resets the comment index and comment to first.
-        *
-        * @since 2.2.0
-        * @access public
-        */
-       function rewind_comments() {
-               $this->current_comment = -1;
-               if ( $this->comment_count > 0 ) {
-                       $this->comment = $this->comments[0];
-               }
-       }
-
-       /**
-        * Sets up the WordPress query by parsing query string.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @param string $query URL query string.
-        * @return array List of posts.
-        */
-       function query( $query ) {
-               $this->init();
-               $this->query = $this->query_vars = wp_parse_args( $query );
-               return $this->get_posts();
-       }
-
-       /**
-        * Retrieve queried object.
-        *
-        * If queried object is not set, then the queried object will be set from
-        * the category, tag, taxonomy, posts page, single post, page, or author
-        * query variable. After it is set up, it will be returned.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @return object
-        */
-       function get_queried_object() {
-               if ( isset($this->queried_object) )
-                       return $this->queried_object;
-
-               $this->queried_object = null;
-               $this->queried_object_id = 0;
-
-               if ( $this->is_category || $this->is_tag || $this->is_tax ) {
-                       $tax_query_in_and = wp_list_filter( $this->tax_query->queries, array( 'operator' => 'NOT IN' ), 'NOT' );
-
-                       $query = reset( $tax_query_in_and );
-
-                       if ( 'term_id' == $query['field'] )
-                               $term = get_term( reset( $query['terms'] ), $query['taxonomy'] );
-                       elseif ( $query['terms'] )
-                               $term = get_term_by( $query['field'], reset( $query['terms'] ), $query['taxonomy'] );
-
-                       if ( ! empty( $term ) && ! is_wp_error( $term ) )  {
-                               $this->queried_object = $term;
-                               $this->queried_object_id = (int) $term->term_id;
-
-                               if ( $this->is_category )
-                                       _make_cat_compat( $this->queried_object );
-                       }
-               } elseif ( $this->is_post_type_archive ) {
-                       $this->queried_object = get_post_type_object( $this->get('post_type') );
-               } elseif ( $this->is_posts_page ) {
-                       $page_for_posts = get_option('page_for_posts');
-                       $this->queried_object = get_post( $page_for_posts );
-                       $this->queried_object_id = (int) $this->queried_object->ID;
-               } elseif ( $this->is_singular && !is_null($this->post) ) {
-                       $this->queried_object = $this->post;
-                       $this->queried_object_id = (int) $this->post->ID;
-               } elseif ( $this->is_author ) {
-                       $this->queried_object_id = (int) $this->get('author');
-                       $this->queried_object = get_userdata( $this->queried_object_id );
-               }
-
-               return $this->queried_object;
-       }
-
-       /**
-        * Retrieve ID of the current queried object.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @return int
-        */
-       function get_queried_object_id() {
-               $this->get_queried_object();
-
-               if ( isset($this->queried_object_id) ) {
-                       return $this->queried_object_id;
-               }
-
-               return 0;
-       }
-
-       /**
-        * Constructor.
-        *
-        * Sets up the WordPress query, if parameter is not empty.
-        *
-        * @since 1.5.0
-        * @access public
-        *
-        * @param string $query URL query string.
-        * @return WP_Query
-        */
-       function __construct($query = '') {
-               if ( ! empty($query) ) {
-                       $this->query($query);
-               }
-       }
-
-       /**
-        * Is the query for an existing archive page?
-        *
-        * Month, Year, Category, Author, Post Type archive...
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_archive() {
-               return (bool) $this->is_archive;
-       }
-
-       /**
-        * Is the query for an existing post type archive page?
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $post_types Optional. Post type or array of posts types to check against.
-        * @return bool
-        */
-       function is_post_type_archive( $post_types = '' ) {
-               if ( empty( $post_types ) || !$this->is_post_type_archive )
-                       return (bool) $this->is_post_type_archive;
-
-               $post_type_object = $this->get_queried_object();
-
-               return in_array( $post_type_object->name, (array) $post_types );
-       }
-
-       /**
-        * Is the query for an existing attachment page?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_attachment() {
-               return (bool) $this->is_attachment;
-       }
-
-       /**
-        * Is the query for an existing author archive page?
-        *
-        * If the $author parameter is specified, this function will additionally
-        * check if the query is for one of the authors specified.
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
-        * @return bool
-        */
-       function is_author( $author = '' ) {
-               if ( !$this->is_author )
-                       return false;
-
-               if ( empty($author) )
-                       return true;
-
-               $author_obj = $this->get_queried_object();
-
-               $author = (array) $author;
-
-               if ( in_array( $author_obj->ID, $author ) )
-                       return true;
-               elseif ( in_array( $author_obj->nickname, $author ) )
-                       return true;
-               elseif ( in_array( $author_obj->user_nicename, $author ) )
-                       return true;
-
-               return false;
-       }
-
-       /**
-        * Is the query for an existing category archive page?
-        *
-        * If the $category parameter is specified, this function will additionally
-        * check if the query is for one of the categories specified.
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
-        * @return bool
-        */
-       function is_category( $category = '' ) {
-               if ( !$this->is_category )
-                       return false;
-
-               if ( empty($category) )
-                       return true;
-
-               $cat_obj = $this->get_queried_object();
-
-               $category = (array) $category;
-
-               if ( in_array( $cat_obj->term_id, $category ) )
-                       return true;
-               elseif ( in_array( $cat_obj->name, $category ) )
-                       return true;
-               elseif ( in_array( $cat_obj->slug, $category ) )
-                       return true;
-
-               return false;
-       }
-
-       /**
-        * Is the query for an existing tag archive page?
-        *
-        * If the $tag parameter is specified, this function will additionally
-        * check if the query is for one of the tags specified.
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $slug Optional. Tag slug or array of slugs.
-        * @return bool
-        */
-       function is_tag( $slug = '' ) {
-               if ( !$this->is_tag )
-                       return false;
-
-               if ( empty( $slug ) )
-                       return true;
-
-               $tag_obj = $this->get_queried_object();
-
-               $slug = (array) $slug;
-
-               if ( in_array( $tag_obj->slug, $slug ) )
-                       return true;
-
-               return false;
-       }
-
-       /**
-        * Is the query for an existing taxonomy archive page?
-        *
-        * If the $taxonomy parameter is specified, this function will additionally
-        * check if the query is for that specific $taxonomy.
-        *
-        * If the $term parameter is specified in addition to the $taxonomy parameter,
-        * this function will additionally check if the query is for one of the terms
-        * specified.
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $taxonomy Optional. Taxonomy slug or slugs.
-        * @param mixed $term. Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
-        * @return bool
-        */
-       function is_tax( $taxonomy = '', $term = '' ) {
-               global $wp_taxonomies;
-
-               if ( !$this->is_tax )
-                       return false;
-
-               if ( empty( $taxonomy ) )
-                       return true;
-
-               $queried_object = $this->get_queried_object();
-               $tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
-               $term_array = (array) $term;
-
-               // Check that the taxonomy matches.
-               if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array ) ) )
-                       return false;
-
-               // Only a Taxonomy provided.
-               if ( empty( $term ) )
-                       return true;
-
-               return isset( $queried_object->term_id ) &&
-                       count( array_intersect(
-                               array( $queried_object->term_id, $queried_object->name, $queried_object->slug ),
-                               $term_array
-                       ) );
-       }
-
-       /**
-        * Whether the current URL is within the comments popup window.
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_comments_popup() {
-               return (bool) $this->is_comments_popup;
-       }
-
-       /**
-        * Is the query for an existing date archive?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_date() {
-               return (bool) $this->is_date;
-       }
-
-       /**
-        * Is the query for an existing day archive?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_day() {
-               return (bool) $this->is_day;
-       }
-
-       /**
-        * Is the query for a feed?
-        *
-        * @since 3.1.0
-        *
-        * @param string|array $feeds Optional feed types to check.
-        * @return bool
-        */
-       function is_feed( $feeds = '' ) {
-               if ( empty( $feeds ) || ! $this->is_feed )
-                       return (bool) $this->is_feed;
-               $qv = $this->get( 'feed' );
-               if ( 'feed' == $qv )
-                       $qv = get_default_feed();
-               return in_array( $qv, (array) $feeds );
-       }
-
-       /**
-        * Is the query for a comments feed?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_comment_feed() {
-               return (bool) $this->is_comment_feed;
-       }
-
-       /**
-        * Is the query for the front page of the site?
-        *
-        * This is for what is displayed at your site's main URL.
-        *
-        * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
-        *
-        * If you set a static page for the front page of your site, this function will return
-        * true when viewing that page.
-        *
-        * Otherwise the same as @see WP_Query::is_home()
-        *
-        * @since 3.1.0
-        * @uses is_home()
-        * @uses get_option()
-        *
-        * @return bool True, if front of site.
-        */
-       function is_front_page() {
-               // most likely case
-               if ( 'posts' == get_option( 'show_on_front') && $this->is_home() )
-                       return true;
-               elseif ( 'page' == get_option( 'show_on_front') && get_option( 'page_on_front' ) && $this->is_page( get_option( 'page_on_front' ) ) )
-                       return true;
-               else
-                       return false;
-       }
-
-       /**
-        * Is the query for the blog homepage?
-        *
-        * This is the page which shows the time based blog content of your site.
-        *
-        * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
-        *
-        * If you set a static page for the front page of your site, this function will return
-        * true only on the page you set as the "Posts page".
-        *
-        * @see WP_Query::is_front_page()
-        *
-        * @since 3.1.0
-        *
-        * @return bool True if blog view homepage.
-        */
-       function is_home() {
-               return (bool) $this->is_home;
-       }
-
-       /**
-        * Is the query for an existing month archive?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_month() {
-               return (bool) $this->is_month;
-       }
-
-       /**
-        * Is the query for an existing single page?
-        *
-        * If the $page parameter is specified, this function will additionally
-        * check if the query is for one of the pages specified.
-        *
-        * @see WP_Query::is_single()
-        * @see WP_Query::is_singular()
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $page Page ID, title, slug, or array of such.
-        * @return bool
-        */
-       function is_page( $page = '' ) {
-               if ( !$this->is_page )
-                       return false;
-
-               if ( empty( $page ) )
-                       return true;
-
-               $page_obj = $this->get_queried_object();
-
-               $page = (array) $page;
-
-               if ( in_array( $page_obj->ID, $page ) )
-                       return true;
-               elseif ( in_array( $page_obj->post_title, $page ) )
-                       return true;
-               else if ( in_array( $page_obj->post_name, $page ) )
-                       return true;
-
-               return false;
-       }
-
-       /**
-        * Is the query for paged result and not for the first page?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_paged() {
-               return (bool) $this->is_paged;
-       }
-
-       /**
-        * Is the query for a post or page preview?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_preview() {
-               return (bool) $this->is_preview;
-       }
-
-       /**
-        * Is the query for the robots file?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_robots() {
-               return (bool) $this->is_robots;
-       }
-
-       /**
-        * Is the query for a search?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_search() {
-               return (bool) $this->is_search;
-       }
-
-       /**
-        * Is the query for an existing single post?
-        *
-        * Works for any post type, except attachments and pages
-        *
-        * If the $post parameter is specified, this function will additionally
-        * check if the query is for one of the Posts specified.
-        *
-        * @see WP_Query::is_page()
-        * @see WP_Query::is_singular()
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $post Post ID, title, slug, or array of such.
-        * @return bool
-        */
-       function is_single( $post = '' ) {
-               if ( !$this->is_single )
-                       return false;
-
-               if ( empty($post) )
-                       return true;
-
-               $post_obj = $this->get_queried_object();
-
-               $post = (array) $post;
-
-               if ( in_array( $post_obj->ID, $post ) )
-                       return true;
-               elseif ( in_array( $post_obj->post_title, $post ) )
-                       return true;
-               elseif ( in_array( $post_obj->post_name, $post ) )
-                       return true;
-
-               return false;
-       }
-
-       /**
-        * Is the query for an existing single post of any post type (post, attachment, page, ... )?
-        *
-        * If the $post_types parameter is specified, this function will additionally
-        * check if the query is for one of the Posts Types specified.
-        *
-        * @see WP_Query::is_page()
-        * @see WP_Query::is_single()
-        *
-        * @since 3.1.0
-        *
-        * @param mixed $post_types Optional. Post Type or array of Post Types
-        * @return bool
-        */
-       function is_singular( $post_types = '' ) {
-               if ( empty( $post_types ) || !$this->is_singular )
-                       return (bool) $this->is_singular;
-
-               $post_obj = $this->get_queried_object();
-
-               return in_array( $post_obj->post_type, (array) $post_types );
-       }
-
-       /**
-        * Is the query for a specific time?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_time() {
-               return (bool) $this->is_time;
-       }
-
-       /**
-        * Is the query for a trackback endpoint call?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_trackback() {
-               return (bool) $this->is_trackback;
-       }
-
-       /**
-        * Is the query for an existing year archive?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_year() {
-               return (bool) $this->is_year;
-       }
-
-       /**
-        * Is the query a 404 (returns no results)?
-        *
-        * @since 3.1.0
-        *
-        * @return bool
-        */
-       function is_404() {
-               return (bool) $this->is_404;
-       }
-
-       /**
-        * Is the query the main query?
-        *
-        * @since 3.3.0
-        *
-        * @return bool
-        */
-       function is_main_query() {
-               global $wp_the_query;
-               return $wp_the_query === $this;
-       }
-}
-
 /**
  * Redirect old slugs to the correct permalink.
  *
  * Attempts to find the current slug from the past slugs.
  *
  * @since 2.1.0
- * @uses $wp_query
- * @uses $wpdb
  *
- * @return null If no link is found, null is returned.
+ * @global wpdb $wpdb WordPress database abstraction object.
  */
 function wp_old_slug_redirect() {
-       global $wp_query;
-       if ( is_404() && '' != $wp_query->query_vars['name'] ) :
+       if ( is_404() && '' !== get_query_var( 'name' ) ) {
                global $wpdb;
 
                // Guess the current post_type based on the query vars.
-               if ( get_query_var('post_type') )
-                       $post_type = get_query_var('post_type');
-               elseif ( !empty($wp_query->query_vars['pagename']) )
+               if ( get_query_var( 'post_type' ) ) {
+                       $post_type = get_query_var( 'post_type' );
+               } elseif ( get_query_var( 'attachment' ) ) {
+                       $post_type = 'attachment';
+               } elseif ( get_query_var( 'pagename' ) ) {
                        $post_type = 'page';
-               else
+               } else {
                        $post_type = 'post';
+               }
 
                if ( is_array( $post_type ) ) {
-                       if ( count( $post_type ) > 1 )
+                       if ( count( $post_type ) > 1 ) {
                                return;
-                       $post_type = array_shift( $post_type );
+                       }
+                       $post_type = reset( $post_type );
                }
 
                // Do not attempt redirect for hierarchical post types
-               if ( is_post_type_hierarchical( $post_type ) )
+               if ( is_post_type_hierarchical( $post_type ) ) {
                        return;
+               }
 
-               $query = $wpdb->prepare("SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, $wp_query->query_vars['name']);
+               $query = $wpdb->prepare("SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, get_query_var( 'name' ) );
 
                // if year, monthnum, or day have been specified, make our query more precise
                // just in case there are multiple identical _wp_old_slug values
-               if ( '' != $wp_query->query_vars['year'] )
-                       $query .= $wpdb->prepare(" AND YEAR(post_date) = %d", $wp_query->query_vars['year']);
-               if ( '' != $wp_query->query_vars['monthnum'] )
-                       $query .= $wpdb->prepare(" AND MONTH(post_date) = %d", $wp_query->query_vars['monthnum']);
-               if ( '' != $wp_query->query_vars['day'] )
-                       $query .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", $wp_query->query_vars['day']);
+               if ( get_query_var( 'year' ) ) {
+                       $query .= $wpdb->prepare(" AND YEAR(post_date) = %d", get_query_var( 'year' ) );
+               }
+               if ( get_query_var( 'monthnum' ) ) {
+                       $query .= $wpdb->prepare(" AND MONTH(post_date) = %d", get_query_var( 'monthnum' ) );
+               }
+               if ( get_query_var( 'day' ) ) {
+                       $query .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", get_query_var( 'day' ) );
+               }
 
-               $id = (int) $wpdb->get_var($query);
+               $id = (int) $wpdb->get_var( $query );
 
-               if ( ! $id )
+               if ( ! $id ) {
                        return;
+               }
+
+               $link = get_permalink( $id );
 
-               $link = get_permalink($id);
+               if ( get_query_var( 'paged' ) > 1 ) {
+                       $link = user_trailingslashit( trailingslashit( $link ) . 'page/' . get_query_var( 'paged' ) );
+               } elseif( is_embed() ) {
+                       $link = user_trailingslashit( trailingslashit( $link ) . 'embed' );
+               }
+
+               /**
+                * Filters the old slug redirect URL.
+                *
+                * @since 4.4.0
+                *
+                * @param string $link The redirect URL.
+                */
+               $link = apply_filters( 'old_slug_redirect_url', $link );
 
-               if ( !$link )
+               if ( ! $link ) {
                        return;
+               }
 
                wp_redirect( $link, 301 ); // Permanent redirect
                exit;
-       endif;
+       }
 }
 
 /**
  * Set up global post data.
  *
  * @since 1.5.0
+ * @since 4.4.0 Added the ability to pass a post ID to `$post`.
  *
- * @param object $post Post data.
- * @uses do_action_ref_array() Calls 'the_post'
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
  * @return bool True when finished.
  */
-function setup_postdata($post) {
-       global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
-
-       $id = (int) $post->ID;
-
-       $authordata = get_userdata($post->post_author);
-
-       $currentday = mysql2date('d.m.y', $post->post_date, false);
-       $currentmonth = mysql2date('m', $post->post_date, false);
-       $numpages = 1;
-       $page = get_query_var('page');
-       if ( !$page )
-               $page = 1;
-       if ( is_single() || is_page() || is_feed() )
-               $more = 1;
-       $content = $post->post_content;
-       if ( strpos( $content, '<!--nextpage-->' ) ) {
-               if ( $page > 1 )
-                       $more = 1;
-               $multipage = 1;
-               $content = str_replace("\n<!--nextpage-->\n", '<!--nextpage-->', $content);
-               $content = str_replace("\n<!--nextpage-->", '<!--nextpage-->', $content);
-               $content = str_replace("<!--nextpage-->\n", '<!--nextpage-->', $content);
-               $pages = explode('<!--nextpage-->', $content);
-               $numpages = count($pages);
-       } else {
-               $pages = array( $post->post_content );
-               $multipage = 0;
-       }
+function setup_postdata( $post ) {
+       global $wp_query;
 
-       do_action_ref_array('the_post', array(&$post));
+       if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {
+               return $wp_query->setup_postdata( $post );
+       }
 
-       return true;
+       return false;
 }