/**
* 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.
*
* @since 1.5.0
* @uses $wp_query
*
- * @param string $var The variable key to retrieve.
+ * @param string $var The variable key to retrieve.
+ * @param mixed $default Value to return if the query variable is not set. Default ''.
* @return mixed
*/
-function get_query_var($var) {
+function get_query_var( $var, $default = '' ) {
global $wp_query;
- return $wp_query->get($var);
+ return $wp_query->get( $var, $default );
}
/**
* @param string $query
* @return array List of posts
*/
-function &query_posts($query) {
- unset($GLOBALS['wp_query']);
+function query_posts($query) {
$GLOBALS['wp_query'] = new WP_Query();
return $GLOBALS['wp_query']->query($query);
}
* @uses $wp_query
*/
function wp_reset_query() {
- unset($GLOBALS['wp_query']);
$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
wp_reset_postdata();
}
/**
* 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
*/
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();
}
}
*/
/**
- * Is the query for an archive page?
+ * Is the query for an existing archive page?
*
* Month, Year, Category, Author, Post Type archive...
*
}
/**
- * Is the query for a post type archive page?
+ * Is the query for an existing post type archive page?
*
* @see WP_Query::is_post_type_archive()
* @since 3.1.0
}
/**
- * Is the query for an attachment page?
+ * Is the query for an existing attachment page?
*
* @see WP_Query::is_attachment()
* @since 2.0.0
* @uses $wp_query
*
+ * @param mixed $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 ) ) {
return false;
}
- return $wp_query->is_attachment();
+ return $wp_query->is_attachment( $attachment );
}
/**
- * Is the query for an author archive page?
+ * 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.
}
/**
- * Is the query for a category archive page?
+ * 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.
}
/**
- * Is the query for a tag archive page?
+ * 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 2.3.0
* @uses $wp_query
*
- * @param mixed $slug Optional. Tag slug or array of slugs.
+ * @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 ) ) {
return false;
}
- return $wp_query->is_tag( $slug );
+ return $wp_query->is_tag( $tag );
}
/**
- * Is the query for a taxonomy archive page?
+ * 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.
}
/**
- * Is the query for a date archive?
+ * Is the query for an existing date archive?
*
* @see WP_Query::is_date()
* @since 1.5.0
}
/**
- * Is the query for a day archive?
+ * Is the query for an existing day archive?
*
* @see WP_Query::is_day()
* @since 1.5.0
}
/**
- * Is the query for a month archive?
+ * Is the query for an existing month archive?
*
* @see WP_Query::is_month()
* @since 1.5.0
}
/**
- * Is the query for a single page?
+ * 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.
}
/**
- * Is the query for a single post?
+ * Is the query for an existing single post?
*
* Works for any post type, except attachments and pages
*
}
/**
- * Is the query for a single post of any post type (post, attachment, page, ... )?
+ * 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.
}
/**
- * Is the query for a specific year?
+ * Is the query for an existing year archive?
*
* @see WP_Query::is_year()
* @since 1.5.0
* @return bool
*/
function is_main_query() {
+ if ( 'pre_get_posts' === current_filter() ) {
+ $message = sprintf( __( 'In <code>%1$s</code>, use the <code>%2$s</code> method, not the <code>%3$s</code> function. See %4$s.' ),
+ 'pre_get_posts', 'WP_Query::is_main_query()', 'is_main_query()', __( 'http://codex.wordpress.org/Function_Reference/is_main_query' ) );
+ _doing_it_wrong( __FUNCTION__, $message, '3.7' );
+ }
+
global $wp_query;
return $wp_query->is_main_query();
}
*/
var $meta_query = false;
+ /**
+ * Date query container
+ *
+ * @since 3.7.0
+ * @access public
+ * @var object WP_Date_Query
+ */
+ var $date_query = false;
+
/**
* Holds the data for a single object that is queried.
*
var $in_the_loop = false;
/**
- * The current post ID.
+ * The current post.
*
* @since 1.5.0
* @access public
- * @var object
+ * @var WP_Post
*/
var $post;
var $comment;
/**
- * Amount of posts if limit clause was not used.
+ * 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 $thumbnails_cached = false;
+ /**
+ * Cached list of search stopwords.
+ *
+ * @since 3.7.0
+ * @var array
+ */
+ private $stopwords;
+
/**
* Resets query flags to false.
*
, 'tag'
, 'cat'
, 'tag_id'
+ , 'author'
, 'author_name'
, 'feed'
, 'tb'
, 's'
, 'sentence'
, 'fields'
+ , 'menu_order'
);
foreach ( $keys as $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');
+ $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', 'post_parent__in', 'post_parent__not_in',
+ 'author__in', 'author__not_in' );
foreach ( $array_keys as $key ) {
if ( !isset($array[$key]) )
$qv['monthnum'] = absint($qv['monthnum']);
$qv['day'] = absint($qv['day']);
$qv['w'] = absint($qv['w']);
- $qv['m'] = absint($qv['m']);
+ $qv['m'] = preg_replace( '|[^0-9]|', '', $qv['m'] );
$qv['paged'] = absint($qv['paged']);
$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
+ $qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // 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']);
+
+ // Fairly insane upper bound for search string lengths.
+ if ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 )
+ $qv['s'] = '';
// Compat. Map subpost to attachment.
if ( '' != $qv['subpost'] )
if ( $qv['day'] ) {
if ( ! $this->is_date ) {
- $this->is_day = true;
- $this->is_date = true;
+ $date = sprintf( '%04d-%02d-%02d', $qv['year'], $qv['monthnum'], $qv['day'] );
+ if ( $qv['monthnum'] && $qv['year'] && ! wp_checkdate( $qv['monthnum'], $qv['day'], $qv['year'], $date ) ) {
+ $qv['error'] = '404';
+ } else {
+ $this->is_day = true;
+ $this->is_date = true;
+ }
}
}
if ( $qv['monthnum'] ) {
if ( ! $this->is_date ) {
- $this->is_month = true;
- $this->is_date = true;
+ if ( 12 < $qv['monthnum'] ) {
+ $qv['error'] = '404';
+ } else {
+ $this->is_month = true;
+ $this->is_date = true;
+ }
}
}
$this->query_vars_hash = md5( serialize( $this->query_vars ) );
$this->query_vars_changed = false;
- do_action_ref_array('parse_query', array(&$this));
+ /**
+ * Fires after the main query vars have been parsed.
+ *
+ * @since 1.5.0
+ *
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ do_action_ref_array( 'parse_query', array( &$this ) );
}
- /*
+ /**
* Parses various taxonomy related query vars.
*
* @access protected
);
}
- foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) {
+ foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t ) {
if ( 'post_tag' == $taxonomy )
continue; // Handled further down in the $q['tag'] block
}
// Category stuff
- if ( !empty($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') );
- }
+ if ( ! empty( $q['cat'] ) && ! $this->is_singular ) {
+ $cat_in = $cat_not_in = array();
+
+ $cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) );
+ $cat_array = array_map( 'intval', $cat_array );
+ $q['cat'] = implode( ',', $cat_array );
+
+ foreach ( $cat_array as $cat ) {
+ if ( $cat > 0 )
+ $cat_in[] = $cat;
+ elseif ( $cat < 0 )
+ $cat_not_in[] = abs( $cat );
}
- $q['cat'] = implode(',', $req_cats);
+
+ if ( ! empty( $cat_in ) ) {
+ $tax_query[] = array(
+ 'taxonomy' => 'category',
+ 'terms' => $cat_in,
+ 'field' => 'term_id',
+ 'include_children' => true
+ );
+ }
+
+ if ( ! empty( $cat_not_in ) ) {
+ $tax_query[] = array(
+ 'taxonomy' => 'category',
+ 'terms' => $cat_not_in,
+ 'field' => 'term_id',
+ 'operator' => 'NOT IN',
+ 'include_children' => true
+ );
+ }
+ unset( $cat_array, $cat_in, $cat_not_in );
+ }
+
+ if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) {
+ $q['category__and'] = (array) $q['category__and'];
+ if ( ! isset( $q['category__in'] ) )
+ $q['category__in'] = array();
+ $q['category__in'][] = absint( reset( $q['category__and'] ) );
+ unset( $q['category__and'] );
}
- if ( !empty($q['category__in']) ) {
- $q['category__in'] = array_map('absint', array_unique( (array) $q['category__in'] ) );
+ if ( ! empty( $q['category__in'] ) ) {
+ $q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) );
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $q['category__in'],
);
}
- if ( !empty($q['category__not_in']) ) {
- $q['category__not_in'] = array_map('absint', array_unique( (array) $q['category__not_in'] ) );
+ if ( ! empty($q['category__not_in']) ) {
+ $q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) );
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $q['category__not_in'],
);
}
- if ( !empty($q['category__and']) ) {
- $q['category__and'] = array_map('absint', array_unique( (array) $q['category__and'] ) );
+ if ( ! empty($q['category__and']) ) {
+ $q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) );
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $q['category__and'],
// Tag stuff
if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) {
if ( strpos($q['tag'], ',') !== false ) {
- $tags = preg_split('/[,\s]+/', $q['tag']);
+ $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('/[+\s]+/', $q['tag']) || !empty($q['cat']) ) {
- $tags = preg_split('/[+\s]+/', $q['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;
}
$this->tax_query = new WP_Tax_Query( $tax_query );
+
+ /**
+ * Fires after taxonomy-related query vars have been parsed.
+ *
+ * @since 3.7.0
+ *
+ * @param WP_Query $this The WP_Query instance.
+ */
+ do_action( 'parse_tax_query', $this );
+ }
+
+ /**
+ * Generate SQL for the WHERE clause based on passed search terms.
+ *
+ * @since 3.7.0
+ *
+ * @global wpdb $wpdb
+ * @param array $q Query variables.
+ * @return string WHERE clause.
+ */
+ protected function parse_search( &$q ) {
+ global $wpdb;
+
+ $search = '';
+
+ // 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'] );
+ // there are no line breaks in <input /> fields
+ $q['s'] = str_replace( array( "\r", "\n" ), '', $q['s'] );
+ $q['search_terms_count'] = 1;
+ if ( ! empty( $q['sentence'] ) ) {
+ $q['search_terms'] = array( $q['s'] );
+ } else {
+ if ( preg_match_all( '/".*?("|$)|((?<=[\t ",+])|^)[^\t ",+]+/', $q['s'], $matches ) ) {
+ $q['search_terms_count'] = count( $matches[0] );
+ $q['search_terms'] = $this->parse_search_terms( $matches[0] );
+ // if the search string has only short terms or stopwords, or is 10+ terms long, match it as sentence
+ if ( empty( $q['search_terms'] ) || count( $q['search_terms'] ) > 9 )
+ $q['search_terms'] = array( $q['s'] );
+ } else {
+ $q['search_terms'] = array( $q['s'] );
+ }
+ }
+
+ $n = ! empty( $q['exact'] ) ? '' : '%';
+ $searchand = '';
+ $q['search_orderby_title'] = array();
+ foreach ( $q['search_terms'] as $term ) {
+ $term = like_escape( esc_sql( $term ) );
+ if ( $n )
+ $q['search_orderby_title'][] = "$wpdb->posts.post_title LIKE '%$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 = '') ";
+ }
+
+ return $search;
+ }
+
+ /**
+ * Check if the terms are suitable for searching.
+ *
+ * Uses an array of stopwords (terms) that are excluded from the separate
+ * term matching when searching for posts. The list of English stopwords is
+ * the approximate search engines list, and is translatable.
+ *
+ * @since 3.7.0
+ *
+ * @param array Terms to check.
+ * @return array Terms that are not stopwords.
+ */
+ protected function parse_search_terms( $terms ) {
+ $strtolower = function_exists( 'mb_strtolower' ) ? 'mb_strtolower' : 'strtolower';
+ $checked = array();
+
+ $stopwords = $this->get_search_stopwords();
+
+ foreach ( $terms as $term ) {
+ // keep before/after spaces when term is for exact match
+ if ( preg_match( '/^".+"$/', $term ) )
+ $term = trim( $term, "\"'" );
+ else
+ $term = trim( $term, "\"' " );
+
+ // Avoid single A-Z.
+ if ( ! $term || ( 1 === strlen( $term ) && preg_match( '/^[a-z]$/i', $term ) ) )
+ continue;
+
+ if ( in_array( call_user_func( $strtolower, $term ), $stopwords, true ) )
+ continue;
+
+ $checked[] = $term;
+ }
+
+ return $checked;
+ }
+
+ /**
+ * Retrieve stopwords used when parsing search terms.
+ *
+ * @since 3.7.0
+ *
+ * @return array Stopwords.
+ */
+ protected function get_search_stopwords() {
+ if ( isset( $this->stopwords ) )
+ return $this->stopwords;
+
+ /* translators: This is a comma-separated list of very common words that should be excluded from a search,
+ * like a, an, and the. These are usually called "stopwords". You should not simply translate these individual
+ * words into your language. Instead, look for and provide commonly accepted stopwords in your language.
+ */
+ $words = explode( ',', _x( 'about,an,are,as,at,be,by,com,for,from,how,in,is,it,of,on,or,that,the,this,to,was,what,when,where,who,will,with,www',
+ 'Comma-separated list of search stopwords in your language' ) );
+
+ $stopwords = array();
+ foreach( $words as $word ) {
+ $word = trim( $word, "\r\n\t " );
+ if ( $word )
+ $stopwords[] = $word;
+ }
+
+ /**
+ * Filter stopwords used when parsing search terms.
+ *
+ * @since 3.7.0
+ *
+ * @param array $stopwords Stopwords.
+ */
+ $this->stopwords = apply_filters( 'wp_search_stopwords', $stopwords );
+ return $this->stopwords;
+ }
+
+ /**
+ * Generate SQL for the ORDER BY condition based on passed search terms.
+ *
+ * @global wpdb $wpdb
+ * @param array $q Query variables.
+ * @return string ORDER BY clause.
+ */
+ protected function parse_search_order( &$q ) {
+ global $wpdb;
+
+ $search_orderby = '';
+
+ if ( $q['search_terms_count'] > 1 ) {
+ $num_terms = count( $q['search_orderby_title'] );
+ $search_orderby_s = like_escape( esc_sql( $q['s'] ) );
+
+ $search_orderby = '(CASE ';
+ // sentence match in 'post_title'
+ $search_orderby .= "WHEN $wpdb->posts.post_title LIKE '%{$search_orderby_s}%' THEN 1 ";
+
+ // sanity limit, sort as sentence when more than 6 terms
+ // (few searches are longer than 6 terms and most titles are not)
+ if ( $num_terms < 7 ) {
+ // all words in title
+ $search_orderby .= 'WHEN ' . implode( ' AND ', $q['search_orderby_title'] ) . ' THEN 2 ';
+ // any word in title, not needed when $num_terms == 1
+ if ( $num_terms > 1 )
+ $search_orderby .= 'WHEN ' . implode( ' OR ', $q['search_orderby_title'] ) . ' THEN 3 ';
+ }
+
+ // sentence match in 'post_content'
+ $search_orderby .= "WHEN $wpdb->posts.post_content LIKE '%{$search_orderby_s}%' THEN 4 ";
+ $search_orderby .= 'ELSE 5 END)';
+ } else {
+ // single word or sentence search
+ $search_orderby = reset( $q['search_orderby_title'] ) . ' DESC';
+ }
+
+ return $search_orderby;
}
/**
* @access public
*
* @param string $query_var Query variable key.
+ * @param mixed $default Value to return if the query variable is not set. Default ''.
* @return mixed
*/
- function get($query_var) {
- if ( isset($this->query_vars[$query_var]) )
- return $this->query_vars[$query_var];
+ function get( $query_var, $default = '' ) {
+ if ( isset( $this->query_vars[ $query_var ] ) ) {
+ return $this->query_vars[ $query_var ];
+ }
- return '';
+ return $default;
}
/**
*
* @return array List of posts.
*/
- function &get_posts() {
- global $wpdb, $user_ID, $_wp_using_ext_object_cache;
+ function get_posts() {
+ global $wpdb;
$this->parse_query();
- do_action_ref_array('pre_get_posts', array(&$this));
+ /**
+ * Fires after the query variable object is created, but before the actual query is run.
+ *
+ * Note: If using conditional tags, use the method versions within the passed instance
+ * (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions
+ * like is_main_query() test against the global $wp_query instance, not the passed one.
+ *
+ * @since 2.0.0
+ *
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ do_action_ref_array( 'pre_get_posts', array( &$this ) );
// Shorthand.
$q = &$this->query_vars;
$q['suppress_filters'] = false;
if ( !isset($q['cache_results']) ) {
- if ( $_wp_using_ext_object_cache )
+ if ( wp_using_ext_object_cache() )
$q['cache_results'] = false;
else
$q['cache_results'] = true;
$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 ( empty( $q['posts_per_page'] ) ) {
+ $q['posts_per_page'] = get_option( 'posts_per_page' );
+ }
if ( isset($q['showposts']) && $q['showposts'] ) {
$q['showposts'] = (int) $q['showposts'];
$q['posts_per_page'] = $q['showposts'];
}
}
if ( $this->is_feed ) {
- $q['posts_per_page'] = get_option('posts_per_rss');
+ // This overrides posts_per_page.
+ if ( ! empty( $q['posts_per_rss'] ) ) {
+ $q['posts_per_page'] = $q['posts_per_rss'];
+ } else {
+ $q['posts_per_page'] = get_option( 'posts_per_rss' );
+ }
$q['nopaging'] = false;
}
$q['posts_per_page'] = (int) $q['posts_per_page'];
$fields = "$wpdb->posts.*";
}
- // If a month is specified in the querystring, load that month
+ if ( '' !== $q['menu_order'] )
+ $where .= " AND $wpdb->posts.menu_order = " . $q['menu_order'];
+
+ // The "m" parameter is meant for months but accepts datetimes of varying specificity
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);
$where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2);
}
+ // Handle the other individual date parameters
+ $date_parameters = array();
+
if ( '' !== $q['hour'] )
- $where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'";
+ $date_parameters['hour'] = $q['hour'];
if ( '' !== $q['minute'] )
- $where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'";
+ $date_parameters['minute'] = $q['minute'];
if ( '' !== $q['second'] )
- $where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'";
+ $date_parameters['second'] = $q['second'];
if ( $q['year'] )
- $where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'";
+ $date_parameters['year'] = $q['year'];
if ( $q['monthnum'] )
- $where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'";
+ $date_parameters['monthnum'] = $q['monthnum'];
+
+ if ( $q['w'] )
+ $date_parameters['week'] = $q['w'];
if ( $q['day'] )
- $where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $q['day'] . "'";
+ $date_parameters['day'] = $q['day'];
+
+ if ( $date_parameters ) {
+ $date_query = new WP_Date_Query( array( $date_parameters ) );
+ $where .= $date_query->get_sql();
+ }
+ unset( $date_parameters, $date_query );
+
+ // Handle complex date queries
+ if ( ! empty( $q['date_query'] ) ) {
+ $this->date_query = new WP_Date_Query( $q['date_query'] );
+ $where .= $this->date_query->get_sql();
+ }
- // If we've got a post_type AND its not "any" post_type.
+
+ // If we've got a post_type AND it's not "any" post_type.
if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) {
foreach ( (array)$q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object($_post_type);
$q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
$q['name'] = $q['pagename'];
$where .= " AND ($wpdb->posts.ID = '$reqpage')";
- $reqpage_obj = get_page($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';
$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']);
$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
}
- if ( is_numeric($q['post_parent']) )
+ if ( is_numeric( $q['post_parent'] ) ) {
$where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] );
+ } elseif ( $q['post_parent__in'] ) {
+ $post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
+ $where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
+ } elseif ( $q['post_parent__not_in'] ) {
+ $post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) );
+ $where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";
+ }
if ( $q['page_id'] ) {
if ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) {
}
}
- // If a search pattern is specified, load the posts that match
- if ( !empty($q['s']) ) {
- // added slashes screw with quote grouping when done early, so done later
- $q['s'] = stripslashes($q['s']);
- if ( !empty($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 = '') ";
- }
- }
+ // If a search pattern is specified, load the posts that match.
+ if ( ! empty( $q['s'] ) )
+ $search = $this->parse_search( $q );
- // Allow plugins to contextually add/remove/modify the search section of the database query
- $search = apply_filters_ref_array('posts_search', array( $search, &$this ) );
+ /**
+ * Filter the search SQL that is used in the WHERE clause of WP_Query.
+ *
+ * @since 3.0.0
+ *
+ * @param string $search Search SQL for WHERE clause.
+ * @param WP_Query $this The current WP_Query object.
+ */
+ $search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
// Taxonomies
if ( !$this->is_singular ) {
if ( $this->is_tax ) {
if ( empty($post_type) ) {
- $post_type = 'any';
+ // 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';
+ elseif ( count( $post_type ) == 1 )
+ $post_type = $post_type[0];
+
$post_status_join = true;
} elseif ( in_array('attachment', (array) $post_type) ) {
$post_status_join = true;
}
$cat_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'category' ) );
- if ( !empty( $cat_query ) ) {
+ 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 );
+
+ if ( ! empty( $cat_query['terms'][0] ) ) {
+ $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( $the_cat );
}
unset( $cat_query );
$tag_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'post_tag' ) );
- if ( !empty( $tag_query ) ) {
+ 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 );
+
+ if ( ! empty( $tag_query['terms'][0] ) ) {
+ $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( $the_tag );
}
unset( $tag_query );
}
// Author/user stuff
- if ( empty($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';
+ if ( ! empty( $q['author'] ) && $q['author'] != '0' ) {
+ $q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
+ $authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
+ foreach ( $authors as $author ) {
+ $key = $author > 0 ? 'author__in' : 'author__not_in';
+ $q[$key][] = abs( $author );
}
- $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);
+ $q['author'] = implode( ',', $authors );
+ }
+
+ if ( ! empty( $q['author__not_in'] ) ) {
+ $author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) );
+ $where .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) ";
+ } elseif ( ! empty( $q['author__in'] ) ) {
+ $author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) );
+ $where .= " AND {$wpdb->posts}.post_author IN ($author__in) ";
}
// Author stuff for nice URLs
$orderby = "$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 )";
+ } elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) {
+ $orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";
} else {
// Used to filter values
$allowed_keys = array('name', 'author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count');
break;
case $q['meta_key']:
case 'meta_value':
- $orderby = "$wpdb->postmeta.meta_value";
+ if ( isset( $q['meta_type'] ) ) {
+ $meta_type = $this->meta_query->get_cast_for_type( $q['meta_type'] );
+ $orderby = "CAST($wpdb->postmeta.meta_value AS {$meta_type})";
+ } else {
+ $orderby = "$wpdb->postmeta.meta_value";
+ }
break;
case 'meta_value_num':
$orderby = "$wpdb->postmeta.meta_value+0";
$orderby .= " {$q['order']}";
}
- if ( is_array( $post_type ) ) {
+ // Order search results by relevance only when another "orderby" is not specified in the query.
+ if ( ! empty( $q['s'] ) ) {
+ $search_orderby = '';
+ if ( ! empty( $q['search_orderby_title'] ) && ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) )
+ $search_orderby = $this->parse_search_order( $q );
+
+ /**
+ * Filter the ORDER BY used when ordering search results.
+ *
+ * @since 3.7.0
+ *
+ * @param string $search_orderby The ORDER BY clause.
+ * @param WP_Query $this The current WP_Query instance.
+ */
+ $search_orderby = apply_filters( 'posts_search_orderby', $search_orderby, $this );
+ if ( $search_orderby )
+ $orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby;
+ }
+
+ if ( is_array( $post_type ) && count( $post_type ) > 1 ) {
$post_type_cap = 'multiple_post_type';
} else {
+ if ( is_array( $post_type ) )
+ $post_type = reset( $post_type );
$post_type_object = get_post_type_object( $post_type );
if ( empty( $post_type_object ) )
$post_type_cap = $post_type;
}
+ if ( isset( $q['post_password'] ) ) {
+ $where .= $wpdb->prepare( " AND $wpdb->posts.post_password = %s", $q['post_password'] );
+ if ( empty( $q['perm'] ) ) {
+ $q['perm'] = 'readable';
+ }
+ } elseif ( isset( $q['has_password'] ) ) {
+ $where .= sprintf( " AND $wpdb->posts.post_password %s ''", $q['has_password'] ? '!=' : '=' );
+ }
+
if ( 'any' == $post_type ) {
$in_search_post_types = get_post_types( array('exclude_from_search' => false) );
- if ( ! empty( $in_search_post_types ) )
- $where .= $wpdb->prepare(" AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')");
+ if ( empty( $in_search_post_types ) )
+ $where .= ' AND 1=0 ';
+ else
+ $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 ) ) {
$post_type_object = get_post_type_object ( 'post' );
}
+ $edit_cap = 'edit_post';
+ $read_cap = 'read_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';
}
+ $user_id = get_current_user_id();
+
if ( ! empty( $q['post_status'] ) ) {
$statuswheres = array();
$q_status = $q['post_status'];
}
if ( !empty($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 ) . "))";
+ $statuswheres[] = "($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 ) . "))";
+ $statuswheres[] = "($wpdb->posts.post_author = $user_id " . "AND (" . join( ' OR ', $p_status ) . "))";
else
$statuswheres[] = "(" . join( ' OR ', $p_status ) . ")";
}
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";
+ $where_status = implode( ' OR ', $statuswheres );
+ if ( ! empty( $where_status ) ) {
+ $where .= " AND ($where_status)";
+ }
} elseif ( !$this->is_singular ) {
$where .= " AND ($wpdb->posts.post_status = 'publish'";
// 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 .= 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 .= ')';
$where .= $clauses['where'];
}
- // Apply filters on where and join prior to paging so that any
- // manipulations to them are reflected in the paging by day queries.
+ /*
+ * Apply filters on where and join prior to paging so that any
+ * manipulations to them are reflected in the paging by day queries.
+ */
if ( !$q['suppress_filters'] ) {
- $where = apply_filters_ref_array('posts_where', array( $where, &$this ) );
- $join = apply_filters_ref_array('posts_join', array( $join, &$this ) );
+ /**
+ * Filter the WHERE clause of the query.
+ *
+ * @since 1.5.0
+ *
+ * @param string $where The WHERE clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
+
+ /**
+ * Filter the JOIN clause of the query.
+ *
+ * @since 1.5.0
+ *
+ * @param string $where The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $join = apply_filters_ref_array( 'posts_join', array( $join, &$this ) );
}
// Paging
}
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 ) );
+ /**
+ * Filter the JOIN clause of the comments feed query before sending.
+ *
+ * @since 2.2.0
+ *
+ * @param string $cjoin The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );
+
+ /**
+ * Filter the WHERE clause of the comments feed query before sending.
+ *
+ * @since 2.2.0
+ *
+ * @param string $cwhere The WHERE clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );
+
+ /**
+ * Filter the GROUP BY clause of the comments feed query before sending.
+ *
+ * @since 2.2.0
+ *
+ * @param string $cgroupby The GROUP BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
+
+ /**
+ * Filter the ORDER BY clause of the comments feed query before sending.
+ *
+ * @since 2.8.0
+ *
+ * @param string $corderby The ORDER BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+
+ /**
+ * Filter the LIMIT clause of the comments feed query before sending.
+ *
+ * @since 2.8.0
+ *
+ * @param string $climits The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
}
$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
$pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
- // Apply post-paging filters on where and join. Only plugins that
- // manipulate paging queries should use these hooks.
+ /*
+ * Apply post-paging filters on where and join. Only plugins that
+ * manipulate paging queries should use these hooks.
+ */
if ( !$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
+ /**
+ * Filter the WHERE clause of the query.
+ *
+ * Specifically for manipulating paging queries.
+ *
+ * @since 1.5.0
+ *
+ * @param string $where The WHERE clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
+
+ /**
+ * Filter the GROUP BY clause of the query.
+ *
+ * @since 2.0.0
+ *
+ * @param string $groupby The GROUP BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
+
+ /**
+ * Filter the JOIN clause of the query.
+ *
+ * Specifically for manipulating paging queries.
+ *
+ * @since 1.5.0
+ *
+ * @param string $join The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
+
+ /**
+ * Filter the ORDER BY clause of the query.
+ *
+ * @since 1.5.1
+ *
+ * @param string $orderby The ORDER BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
+
+ /**
+ * Filter the DISTINCT clause of the query.
+ *
+ * @since 2.1.0
+ *
+ * @param string $distinct The DISTINCT clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
+
+ /**
+ * Filter the LIMIT clause of the query.
+ *
+ * @since 2.1.0
+ *
+ * @param string $limits The LIMIT clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
+
+ /**
+ * Filter the SELECT clause of the query.
+ *
+ * @since 2.1.0
+ *
+ * @param string $fields The SELECT clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
+
+ /**
+ * Filter all query clauses at once, for convenience.
+ *
+ * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
+ * fields (SELECT), and LIMITS clauses.
+ *
+ * @since 3.1.0
+ *
+ * @param array $clauses The list of clauses for the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
$clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );
- foreach ( $pieces as $piece )
+
+ foreach ( $pieces as $piece ) {
$$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
+ }
}
- // Announce current selection parameters. For use by caching plugins.
+ /**
+ * Fires to announce the query's current selection parameters.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.3.0
+ *
+ * @param string $selection The assembled selection query.
+ */
do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
- // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above.
+ /*
+ * 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
+ /**
+ * Filter the WHERE clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $where The WHERE clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
+
+ /**
+ * Filter the GROUP BY clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $groupby The GROUP BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
+
+ /**
+ * Filter the JOIN clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $join The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
+
+ /**
+ * Filter the ORDER BY clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $orderby The ORDER BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
+
+ /**
+ * Filter the DISTINCT clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $distinct The DISTINCT clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
+
+ /**
+ * Filter the SELECT clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $fields The SELECT clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
+
+ /**
+ * Filter the LIMIT clause of the query.
+ *
+ * For use by caching plugins.
+ *
+ * @since 2.5.0
+ *
+ * @param string $limits The LIMIT clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
+
+ /**
+ * Filter all query clauses at once, for convenience.
+ *
+ * For use by caching plugins.
+ *
+ * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
+ * fields (SELECT), and LIMITS clauses.
+ *
+ * @since 3.1.0
+ *
+ * @param array $pieces The pieces of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
$clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );
foreach ( $pieces as $piece )
$$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
$this->request = $old_request = "SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
if ( !$q['suppress_filters'] ) {
+ /**
+ * Filter the completed SQL query before sending.
+ *
+ * @since 2.0.0
+ *
+ * @param array $request The complete SQL query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
$this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
}
if ( 'ids' == $q['fields'] ) {
- $this->posts = $wpdb->get_col($this->request);
+ $this->posts = $wpdb->get_col( $this->request );
+ $this->post_count = count( $this->posts );
+ $this->set_found_posts( $q, $limits );
- return $this->posts;
+ return array_map( 'intval', $this->posts );
}
if ( 'id=>parent' == $q['fields'] ) {
- $this->posts = $wpdb->get_results($this->request);
+ $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;
-
+ foreach ( $this->posts as $post ) {
+ $r[ (int) $post->ID ] = (int) $post->post_parent;
+ }
return $r;
}
$split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
+
+ /**
+ * Filter whether to split the query.
+ *
+ * Splitting the query will cause it to fetch just the IDs of the found posts
+ * (and then individually fetch each post by ID), rather than fetching every
+ * complete row at once. One massive result vs. many small results.
+ *
+ * @since 3.4.0
+ *
+ * @param bool $split_the_query Whether or not to split the query.
+ * @param WP_Query $this The WP_Query instance.
+ */
$split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );
if ( $split_the_query ) {
$this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
+ /**
+ * Filter the Post IDs SQL request before sending.
+ *
+ * @since 3.4.0
+ *
+ * @param string $request The post ID request.
+ * @param WP_Query $this The WP_Query instance.
+ */
$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'] );
-
- $this->posts = array_map( 'get_post', $ids );
} else {
- $this->found_posts = $this->max_num_pages = 0;
$this->posts = array();
}
} else {
$this->set_found_posts( $q, $limits );
}
- // Raw results filter. Prior to status checks.
- if ( !$q['suppress_filters'] )
- $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) );
+ // Convert to WP_Post objects
+ if ( $this->posts )
+ $this->posts = array_map( 'get_post', $this->posts );
+
+ if ( ! $q['suppress_filters'] ) {
+ /**
+ * Filter the raw post results array, prior to status checks.
+ *
+ * @since 2.3.0
+ *
+ * @param array $posts The post results array.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $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 ) );
+ /** This filter is documented in wp-includes/query.php */
+ $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );
+
+ /** This filter is documented in wp-includes/query.php */
+ $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
+
+ /** This filter is documented in wp-includes/query.php */
+ $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );
$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
- $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+
+ /** This filter is documented in wp-includes/query.php */
+ $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
- $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+
+ /** This filter is documented in wp-includes/query.php */
+ $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$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);
}
}
- if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) )
- $this->posts[0] = apply_filters_ref_array('the_preview', array( $this->posts[0], &$this ));
+ if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
+ /**
+ * Filter the single post for preview mode.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post_preview The Post object.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $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
// Fetch sticky posts that weren't in the query results
if ( !empty($sticky_posts) ) {
- $stickies__in = implode(',', array_map( 'absint', $sticky_posts ));
- // honor post type(s) if not set to any
- $stickies_where = '';
- if ( 'any' != $post_type && '' != $post_type ) {
- if ( is_array( $post_type ) ) {
- $post_types = join( "', '", $post_type );
- } else {
- $post_types = $post_type;
- }
- $stickies_where = "AND $wpdb->posts.post_type IN ('" . $post_types . "')";
- }
+ $stickies = get_posts( array(
+ 'post__in' => $sticky_posts,
+ 'post_type' => $post_type,
+ 'post_status' => 'publish',
+ 'nopaging' => true
+ ) );
- $stickies = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE $wpdb->posts.ID IN ($stickies__in) $stickies_where" );
foreach ( $stickies as $sticky_post ) {
- // Ignore sticky posts the current user cannot read or are not published.
- if ( 'publish' != $sticky_post->post_status )
- continue;
- array_splice($this->posts, $sticky_offset, 0, array($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 ) );
+ if ( ! $q['suppress_filters'] ) {
+ /**
+ * Filter the array of retrieved posts after they've been fetched and
+ * internally processed.
+ *
+ * @since 1.5.0
+ *
+ * @param array $posts The array of retrieved posts.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $this->posts = apply_filters_ref_array( 'the_posts', array( $this->posts, &$this ) );
+ }
- $this->post_count = count($this->posts);
+ // 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 );
- // Always sanitize
- foreach ( $this->posts as $i => $post ) {
- $this->posts[$i] = sanitize_post( $post, 'raw' );
- }
+ $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']);
+ if ( $q['cache_results'] )
+ update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']);
- if ( $this->post_count > 0 ) {
- $this->post = $this->posts[0];
+ $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;
- if ( $q['no_found_rows'] || empty( $limits ) )
+ // 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;
- $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
+ if ( ! empty( $limits ) ) {
+ /**
+ * Filter the query to run for retrieving the found posts.
+ *
+ * @since 2.1.0
+ *
+ * @param string $found_posts The query to run to find the found posts.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $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 );
+ }
+
+ /**
+ * Filter the number of found posts for the query.
+ *
+ * @since 2.1.0
+ *
+ * @param int $found_posts The number of posts found.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
$this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
- $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
+ if ( ! empty( $limits ) )
+ $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
}
/**
* @since 1.5.0
* @access public
*
- * @return object Next post.
+ * @return WP_Post Next post.
*/
function next_post() {
$this->in_the_loop = true;
if ( $this->current_post == -1 ) // loop has just started
- do_action_ref_array('loop_start', array(&$this));
+ /**
+ * Fires once the loop is started.
+ *
+ * @since 2.0.0
+ *
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ do_action_ref_array( 'loop_start', array( &$this ) );
$post = $this->next_post();
setup_postdata($post);
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));
+ /**
+ * Fires once the loop has ended.
+ *
+ * @since 2.0.0
+ *
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ do_action_ref_array( 'loop_end', array( &$this ) );
// Do some cleaning up after the loop
$this->rewind_posts();
}
$comment = $this->next_comment();
if ( $this->current_comment == 0 ) {
- do_action('comment_loop_start');
+ /**
+ * Fires once the comment loop is started.
+ *
+ * @since 2.2.0
+ */
+ do_action( 'comment_loop_start' );
}
}
* @param string $query URL query string.
* @return array List of posts.
*/
- function &query( $query ) {
+ function query( $query ) {
$this->init();
$this->query = $this->query_vars = wp_parse_args( $query );
return $this->get_posts();
$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 ( $this->is_category ) {
+ if ( $this->get( 'cat' ) ) {
+ $term = get_term( $this->get( 'cat' ), 'category' );
+ } elseif ( $this->get( 'category_name' ) ) {
+ $term = get_term_by( 'slug', $this->get( 'category_name' ), 'category' );
+ }
+ } elseif ( $this->is_tag ) {
+ if ( $this->get( 'tag_id' ) ) {
+ $term = get_term( $this->get( 'tag_id' ), 'post_tag' );
+ } elseif ( $this->get( 'tag' ) ) {
+ $term = get_term_by( 'slug', $this->get( 'tag' ), 'post_tag' );
+ }
+ } else {
+ $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'] );
- else
- $term = get_term_by( $query['field'], reset( $query['terms'] ), $query['taxonomy'] );
+ if ( $query['terms'] ) {
+ if ( 'term_id' == $query['field'] ) {
+ $term = get_term( reset( $query['terms'] ), $query['taxonomy'] );
+ } else {
+ $term = get_term_by( $query['field'], reset( $query['terms'] ), $query['taxonomy'] );
+ }
+ }
+ }
- if ( $term && ! is_wp_error($term) ) {
+ if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
$this->queried_object = $term;
$this->queried_object_id = (int) $term->term_id;
- if ( $this->is_category )
+ if ( $this->is_category && 'category' === $this->queried_object->taxonomy )
_make_cat_compat( $this->queried_object );
}
} elseif ( $this->is_post_type_archive ) {
- $this->queried_object = get_post_type_object( $this->get('post_type') );
+ $post_type = $this->get( 'post_type' );
+ if ( is_array( $post_type ) )
+ $post_type = reset( $post_type );
+ $this->queried_object = get_post_type_object( $post_type );
} elseif ( $this->is_posts_page ) {
$page_for_posts = get_option('page_for_posts');
- $this->queried_object = get_page( $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;
}
/**
- * Is the query for an archive page?
+ * Is the query for an existing archive page?
*
* Month, Year, Category, Author, Post Type archive...
*
}
/**
- * Is the query for a post type archive page?
+ * Is the query for an existing post type archive page?
*
* @since 3.1.0
*
* @return bool
*/
function is_post_type_archive( $post_types = '' ) {
- if ( empty( $post_types ) || !$this->is_post_type_archive )
+ if ( empty( $post_types ) || ! $this->is_post_type_archive )
return (bool) $this->is_post_type_archive;
- $post_type_object = $this->get_queried_object();
+ $post_type = $this->get( 'post_type' );
+ if ( is_array( $post_type ) )
+ $post_type = reset( $post_type );
+ $post_type_object = get_post_type_object( $post_type );
return in_array( $post_type_object->name, (array) $post_types );
}
/**
- * Is the query for an attachment page?
+ * Is the query for an existing attachment page?
*
* @since 3.1.0
*
+ * @param mixed $attachment Attachment ID, title, slug, or array of such.
* @return bool
*/
- function is_attachment() {
- return (bool) $this->is_attachment;
+ function is_attachment( $attachment = '' ) {
+ if ( ! $this->is_attachment ) {
+ return false;
+ }
+
+ if ( empty( $attachment ) ) {
+ return true;
+ }
+
+ $attachment = (array) $attachment;
+
+ $post_obj = $this->get_queried_object();
+
+ if ( in_array( $post_obj->ID, $attachment ) ) {
+ return true;
+ } elseif ( in_array( $post_obj->post_title, $attachment ) ) {
+ return true;
+ } elseif ( in_array( $post_obj->post_name, $attachment ) ) {
+ return true;
+ }
+ return false;
}
/**
- * Is the query for an author archive page?
+ * 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.
}
/**
- * Is the query for a category archive page?
+ * 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.
}
/**
- * Is the query for a tag archive page?
+ * 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.
+ * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
* @return bool
*/
- function is_tag( $slug = '' ) {
- if ( !$this->is_tag )
+ function is_tag( $tag = '' ) {
+ if ( ! $this->is_tag )
return false;
- if ( empty( $slug ) )
+ if ( empty( $tag ) )
return true;
$tag_obj = $this->get_queried_object();
- $slug = (array) $slug;
+ $tag = (array) $tag;
- if ( in_array( $tag_obj->slug, $slug ) )
+ if ( in_array( $tag_obj->term_id, $tag ) )
+ return true;
+ elseif ( in_array( $tag_obj->name, $tag ) )
+ return true;
+ elseif ( in_array( $tag_obj->slug, $tag ) )
return true;
return false;
}
/**
- * Is the query for a taxonomy archive page?
+ * 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.
$tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
$term_array = (array) $term;
- if ( empty( $term ) ) // Only a Taxonomy provided
- return isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array );
+ // 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(
}
/**
- * Is the query for a date archive?
+ * Is the query for an existing date archive?
*
* @since 3.1.0
*
}
/**
- * Is the query for a day archive?
+ * Is the query for an existing day archive?
*
* @since 3.1.0
*
}
/**
- * Is the query for a month archive?
+ * Is the query for an existing month archive?
*
* @since 3.1.0
*
}
/**
- * Is the query for a single page?
+ * 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.
}
/**
- * Is the query for a single post?
+ * Is the query for an existing single post?
*
* Works for any post type, except attachments and pages
*
}
/**
- * Is the query for a single post of any post type (post, attachment, page, ... )?
+ * 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.
}
/**
- * Is the query for a specific year?
+ * Is the query for an existing year archive?
*
* @since 3.1.0
*
global $wp_the_query;
return $wp_the_query === $this;
}
+
+ /**
+ * After looping through a nested query, this function
+ * restores the $post global to the current post in this query.
+ *
+ * @since 3.7.0
+ *
+ * @return bool
+ */
+ function reset_postdata() {
+ if ( ! empty( $this->post ) ) {
+ $GLOBALS['post'] = $this->post;
+ setup_postdata( $this->post );
+ }
+ }
}
/**
* @uses do_action_ref_array() Calls 'the_post'
* @return bool True when finished.
*/
-function setup_postdata($post) {
+function setup_postdata( $post ) {
global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
$id = (int) $post->ID;
$currentday = mysql2date('d.m.y', $post->post_date, false);
$currentmonth = mysql2date('m', $post->post_date, false);
$numpages = 1;
+ $multipage = 0;
$page = get_query_var('page');
- if ( !$page )
+ if ( ! $page )
$page = 1;
if ( is_single() || is_page() || is_feed() )
$more = 1;
$content = $post->post_content;
- if ( strpos( $content, '<!--nextpage-->' ) ) {
+ if ( false !== 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);
+ $content = str_replace( "\n<!--nextpage-->\n", '<!--nextpage-->', $content );
+ $content = str_replace( "\n<!--nextpage-->", '<!--nextpage-->', $content );
+ $content = str_replace( "<!--nextpage-->\n", '<!--nextpage-->', $content );
+ // Ignore nextpage at the beginning of the content.
+ if ( 0 === strpos( $content, '<!--nextpage-->' ) )
+ $content = substr( $content, 15 );
$pages = explode('<!--nextpage-->', $content);
$numpages = count($pages);
+ if ( $numpages > 1 )
+ $multipage = 1;
} else {
$pages = array( $post->post_content );
- $multipage = 0;
}
- do_action_ref_array('the_post', array(&$post));
+ /**
+ * Fires once the post data has been setup.
+ *
+ * @since 2.8.0
+ *
+ * @param WP_Post &$post The Post object (passed by reference).
+ */
+ do_action_ref_array( 'the_post', array( &$post ) );
return true;
}