<?php
-
-//
-// "The Loop" post functions
-//
-
+/**
+ * WordPress Post Template Functions.
+ *
+ * Gets content for the current post in the loop.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Display the ID of the current item in the WordPress Loop.
+ *
+ * @since 0.71
+ */
function the_ID() {
- global $id;
- echo $id;
+ echo get_the_ID();
}
-
+/**
+ * Retrieve the ID of the current item in the WordPress Loop.
+ *
+ * @since 2.1.0
+ *
+ * @return int|false The ID of the current item in the WordPress Loop. False if $post is not set.
+ */
function get_the_ID() {
- global $id;
- return $id;
+ $post = get_post();
+ return ! empty( $post ) ? $post->ID : false;
}
-
-function the_title($before = '', $after = '', $echo = true) {
+/**
+ * Display or retrieve the current post title with optional content.
+ *
+ * @since 0.71
+ *
+ * @param string $before Optional. Content to prepend to the title.
+ * @param string $after Optional. Content to append to the title.
+ * @param bool $echo Optional, default to true.Whether to display or return.
+ * @return string|void String if $echo parameter is false.
+ */
+function the_title( $before = '', $after = '', $echo = true ) {
$title = get_the_title();
if ( strlen($title) == 0 )
return $title;
}
+/**
+ * Sanitize the current title when retrieving or displaying.
+ *
+ * Works like {@link the_title()}, except the parameters can be in a string or
+ * an array. See the function for what can be override in the $args parameter.
+ *
+ * The title before it is displayed will have the tags stripped and {@link
+ * esc_attr()} before it is passed to the user or displayed. The default
+ * as with {@link the_title()}, is to display the title.
+ *
+ * @since 2.3.0
+ *
+ * @param string|array $args {
+ * Title attribute arguments. Optional.
+ *
+ * @type string $before Markup to prepend to the title. Default empty.
+ * @type string $after Markup to append to the title. Default empty.
+ * @type bool $echo Whether to echo or return the title. Default true for echo.
+ * @type WP_Post $post Current post object to retrieve the title for.
+ * }
+ * @return string|void String when echo is false.
+ */
function the_title_attribute( $args = '' ) {
- $title = get_the_title();
-
- if ( strlen($title) == 0 )
- return;
+ $defaults = array( 'before' => '', 'after' => '', 'echo' => true, 'post' => get_post() );
+ $r = wp_parse_args( $args, $defaults );
- $defaults = array('before' => '', 'after' => '', 'echo' => true);
- $r = wp_parse_args($args, $defaults);
- extract( $r, EXTR_SKIP );
+ $title = get_the_title( $r['post'] );
+ if ( strlen( $title ) == 0 ) {
+ return;
+ }
- $title = $before . $title . $after;
- $title = attribute_escape(strip_tags($title));
+ $title = $r['before'] . $title . $r['after'];
+ $title = esc_attr( strip_tags( $title ) );
- if ( $echo )
+ if ( $r['echo'] ) {
echo $title;
- else
+ } else {
return $title;
+ }
}
-function get_the_title( $id = 0 ) {
- $post = &get_post($id);
-
- $title = $post->post_title;
- if ( !empty($post->post_password) )
- $title = sprintf(__('Protected: %s'), $title);
- else if ( 'private' == $post->post_status )
- $title = sprintf(__('Private: %s'), $title);
+/**
+ * Retrieve post title.
+ *
+ * If the post is protected and the visitor is not an admin, then "Protected"
+ * will be displayed before the post title. If the post is private, then
+ * "Private" will be located before the post title.
+ *
+ * @since 0.71
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string
+ */
+function get_the_title( $post = 0 ) {
+ $post = get_post( $post );
+
+ $title = isset( $post->post_title ) ? $post->post_title : '';
+ $id = isset( $post->ID ) ? $post->ID : 0;
+
+ if ( ! is_admin() ) {
+ if ( ! empty( $post->post_password ) ) {
+
+ /**
+ * Filter the text prepended to the post title for protected posts.
+ *
+ * The filter is only applied on the front end.
+ *
+ * @since 2.8.0
+ *
+ * @param string $prepend Text displayed before the post title.
+ * Default 'Protected: %s'.
+ * @param WP_Post $post Current post object.
+ */
+ $protected_title_format = apply_filters( 'protected_title_format', __( 'Protected: %s' ), $post );
+ $title = sprintf( $protected_title_format, $title );
+ } elseif ( isset( $post->post_status ) && 'private' == $post->post_status ) {
+
+ /**
+ * Filter the text prepended to the post title of private posts.
+ *
+ * The filter is only applied on the front end.
+ *
+ * @since 2.8.0
+ *
+ * @param string $prepend Text displayed before the post title.
+ * Default 'Private: %s'.
+ * @param WP_Post $post Current post object.
+ */
+ $private_title_format = apply_filters( 'private_title_format', __( 'Private: %s' ), $post );
+ $title = sprintf( $private_title_format, $title );
+ }
+ }
- return apply_filters( 'the_title', $title );
+ /**
+ * Filter the post title.
+ *
+ * @since 0.71
+ *
+ * @param string $title The post title.
+ * @param int $id The post ID.
+ */
+ return apply_filters( 'the_title', $title, $id );
}
+/**
+ * Display the Post Global Unique Identifier (guid).
+ *
+ * The guid will appear to be a link, but should not be used as an link to the
+ * post. The reason you should not use it as a link, is because of moving the
+ * blog across domains.
+ *
+ * Url is escaped to make it xml safe
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ */
function the_guid( $id = 0 ) {
- echo get_the_guid($id);
+ /**
+ * Filter the escaped Global Unique Identifier (guid) of the post.
+ *
+ * @since 4.2.0
+ *
+ * @see get_the_guid()
+ *
+ * @param string $post_guid Escaped Global Unique Identifier (guid) of the post.
+ */
+ echo apply_filters( 'the_guid', get_the_guid( $id ) );
}
+/**
+ * Retrieve the Post Global Unique Identifier (guid).
+ *
+ * The guid will appear to be a link, but should not be used as an link to the
+ * post. The reason you should not use it as a link, is because of moving the
+ * blog across domains.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ * @return string
+ */
function get_the_guid( $id = 0 ) {
- $post = &get_post($id);
-
- return apply_filters('get_the_guid', $post->guid);
+ $post = get_post($id);
+
+ /**
+ * Filter the Global Unique Identifier (guid) of the post.
+ *
+ * @since 1.5.0
+ *
+ * @param string $post_guid Global Unique Identifier (guid) of the post.
+ */
+ return apply_filters( 'get_the_guid', $post->guid );
}
-function the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
- $content = get_the_content($more_link_text, $stripteaser, $more_file);
- $content = apply_filters('the_content', $content);
- $content = str_replace(']]>', ']]>', $content);
+/**
+ * Display the post content.
+ *
+ * @since 0.71
+ *
+ * @param string $more_link_text Optional. Content for when there is more text.
+ * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false.
+ */
+function the_content( $more_link_text = null, $strip_teaser = false) {
+ $content = get_the_content( $more_link_text, $strip_teaser );
+
+ /**
+ * Filter the post content.
+ *
+ * @since 0.71
+ *
+ * @param string $content Content of the current post.
+ */
+ $content = apply_filters( 'the_content', $content );
+ $content = str_replace( ']]>', ']]>', $content );
echo $content;
}
+/**
+ * Retrieve the post content.
+ *
+ * @since 0.71
+ *
+ * @global int $page
+ * @global int $more
+ * @global bool $preview
+ * @global array $pages
+ * @global int $multipage
+ *
+ * @param string $more_link_text Optional. Content for when there is more text.
+ * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false.
+ * @return string
+ */
+function get_the_content( $more_link_text = null, $strip_teaser = false ) {
+ global $page, $more, $preview, $pages, $multipage;
+
+ $post = get_post();
+
+ if ( null === $more_link_text )
+ $more_link_text = __( '(more…)' );
-function get_the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
- global $id, $post, $more, $single, $withcomments, $page, $pages, $multipage, $numpages;
- global $preview;
- global $pagenow;
$output = '';
+ $has_teaser = false;
- if ( !empty($post->post_password) ) { // if there's a password
- if ( stripslashes($_COOKIE['wp-postpass_'.COOKIEHASH]) != $post->post_password ) { // and it doesn't match the cookie
- $output = get_the_password_form();
- return $output;
- }
- }
+ // If post password required and it doesn't match the cookie.
+ if ( post_password_required( $post ) )
+ return get_the_password_form( $post );
- if ( $more_file != '' )
- $file = $more_file;
- else
- $file = $pagenow; //$_SERVER['PHP_SELF'];
+ if ( $page > count( $pages ) ) // if the requested page doesn't exist
+ $page = count( $pages ); // give them the highest numbered page that DOES exist
- if ( $page > count($pages) ) // if the requested page doesn't exist
- $page = count($pages); // give them the highest numbered page that DOES exist
+ $content = $pages[$page - 1];
+ if ( preg_match( '/<!--more(.*?)?-->/', $content, $matches ) ) {
+ $content = explode( $matches[0], $content, 2 );
+ if ( ! empty( $matches[1] ) && ! empty( $more_link_text ) )
+ $more_link_text = strip_tags( wp_kses_no_null( trim( $matches[1] ) ) );
- $content = $pages[$page-1];
- if ( preg_match('/<!--more(.*?)?-->/', $content, $matches) ) {
- $content = explode($matches[0], $content, 2);
- if ( !empty($matches[1]) && !empty($more_link_text) )
- $more_link_text = strip_tags(wp_kses_no_null(trim($matches[1])));
+ $has_teaser = true;
} else {
- $content = array($content);
+ $content = array( $content );
}
- if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
- $stripteaser = 1;
+
+ if ( false !== strpos( $post->post_content, '<!--noteaser-->' ) && ( ! $multipage || $page == 1 ) )
+ $strip_teaser = true;
+
$teaser = $content[0];
- if ( ($more) && ($stripteaser) )
+
+ if ( $more && $strip_teaser && $has_teaser )
$teaser = '';
+
$output .= $teaser;
- if ( count($content) > 1 ) {
+
+ if ( count( $content ) > 1 ) {
if ( $more ) {
- $output .= '<span id="more-'.$id.'"></span>'.$content[1];
+ $output .= '<span id="more-' . $post->ID . '"></span>' . $content[1];
} else {
- $output = balanceTags($output);
- if ( ! empty($more_link_text) )
- $output .= ' <a href="'. get_permalink() . "#more-$id\" class=\"more-link\">$more_link_text</a>";
+ if ( ! empty( $more_link_text ) )
+
+ /**
+ * Filter the Read More link text.
+ *
+ * @since 2.8.0
+ *
+ * @param string $more_link_element Read More link element.
+ * @param string $more_link_text Read More text.
+ */
+ $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text );
+ $output = force_balance_tags( $output );
}
-
}
- if ( $preview ) // preview fix for javascript bug with foreign languages
- $output = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $output);
+
+ if ( $preview ) // Preview fix for JavaScript bug with foreign languages.
+ $output = preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output );
return $output;
}
+/**
+ * Preview fix for JavaScript bug with foreign languages.
+ *
+ * @since 3.1.0
+ * @access private
+ * @param array $match Match array from preg_replace_callback
+ * @return string
+ */
+function _convert_urlencoded_to_entities( $match ) {
+ return '&#' . base_convert( $match[1], 16, 10 ) . ';';
+}
+/**
+ * Display the post excerpt.
+ *
+ * @since 0.71
+ */
function the_excerpt() {
- echo apply_filters('the_excerpt', get_the_excerpt());
+
+ /**
+ * Filter the displayed post excerpt.
+ *
+ * @since 0.71
+ *
+ * @see get_the_excerpt()
+ *
+ * @param string $post_excerpt The post excerpt.
+ */
+ echo apply_filters( 'the_excerpt', get_the_excerpt() );
}
+/**
+ * Retrieve the post excerpt.
+ *
+ * @since 0.71
+ *
+ * @param mixed $deprecated Not used.
+ * @return string
+ */
+function get_the_excerpt( $deprecated = '' ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.3' );
+
+ $post = get_post();
+ if ( empty( $post ) ) {
+ return '';
+ }
-function get_the_excerpt($deprecated = true) {
- global $id, $post;
- $output = '';
- $output = $post->post_excerpt;
- if ( !empty($post->post_password) ) { // if there's a password
- if ( $_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password ) { // and it doesn't match the cookie
- $output = __('There is no excerpt because this is a protected post.');
- return $output;
- }
+ if ( post_password_required() ) {
+ return __( 'There is no excerpt because this is a protected post.' );
}
- return apply_filters('get_the_excerpt', $output);
+ /**
+ * Filter the retrieved post excerpt.
+ *
+ * @since 1.2.0
+ *
+ * @param string $post_excerpt The post excerpt.
+ */
+ return apply_filters( 'get_the_excerpt', $post->post_excerpt );
}
+/**
+ * Whether post has excerpt.
+ *
+ * @since 2.3.0
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ * @return bool
+ */
function has_excerpt( $id = 0 ) {
- $post = &get_post( $id );
+ $post = get_post( $id );
return ( !empty( $post->post_excerpt ) );
}
-function wp_link_pages($args = '') {
+/**
+ * Display the classes for the post div.
+ *
+ * @since 2.7.0
+ *
+ * @param string|array $class One or more classes to add to the class list.
+ * @param int|WP_Post $post_id Optional. Post ID or post object.
+ */
+function post_class( $class = '', $post_id = null ) {
+ // Separates classes with a single space, collates classes for post DIV
+ echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"';
+}
+
+/**
+ * Retrieve the classes for the post div as an array.
+ *
+ * The class names are many. If the post is a sticky, then the 'sticky'
+ * class name. The class 'hentry' is always added to each post. If the post has a
+ * post thumbnail, 'has-post-thumbnail' is added as a class. For each taxonomy that
+ * the post belongs to, a class will be added of the format '{$taxonomy}-{$slug}' -
+ * eg 'category-foo' or 'my_custom_taxonomy-bar'. The 'post_tag' taxonomy is a special
+ * case; the class has the 'tag-' prefix instead of 'post_tag-'. All classes are
+ * passed through the filter, 'post_class' with the list of classes, followed by
+ * $class parameter value, with the post ID as the last parameter.
+ *
+ * @since 2.7.0
+ * @since 4.2.0 Custom taxonomy classes were added.
+ *
+ * @param string|array $class One or more classes to add to the class list.
+ * @param int|WP_Post $post_id Optional. Post ID or post object.
+ * @return array Array of classes.
+ */
+function get_post_class( $class = '', $post_id = null ) {
+ $post = get_post( $post_id );
+
+ $classes = array();
+
+ if ( $class ) {
+ if ( ! is_array( $class ) ) {
+ $class = preg_split( '#\s+#', $class );
+ }
+ $classes = array_map( 'esc_attr', $class );
+ }
+
+ if ( ! $post ) {
+ return $classes;
+ }
+
+ $classes[] = 'post-' . $post->ID;
+ if ( ! is_admin() )
+ $classes[] = $post->post_type;
+ $classes[] = 'type-' . $post->post_type;
+ $classes[] = 'status-' . $post->post_status;
+
+ // Post Format
+ if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+ $post_format = get_post_format( $post->ID );
+
+ if ( $post_format && !is_wp_error($post_format) )
+ $classes[] = 'format-' . sanitize_html_class( $post_format );
+ else
+ $classes[] = 'format-standard';
+ }
+
+ // Post requires password
+ if ( post_password_required( $post->ID ) ) {
+ $classes[] = 'post-password-required';
+ // Post thumbnails
+ } elseif ( ! is_attachment( $post ) && current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) ) {
+ $classes[] = 'has-post-thumbnail';
+ }
+
+ // sticky for Sticky Posts
+ if ( is_sticky( $post->ID ) ) {
+ if ( is_home() && ! is_paged() ) {
+ $classes[] = 'sticky';
+ } elseif ( is_admin() ) {
+ $classes[] = 'status-sticky';
+ }
+ }
+
+ // hentry for hAtom compliance
+ $classes[] = 'hentry';
+
+ // All public taxonomies
+ $taxonomies = get_taxonomies( array( 'public' => true ) );
+ foreach ( (array) $taxonomies as $taxonomy ) {
+ if ( is_object_in_taxonomy( $post->post_type, $taxonomy ) ) {
+ foreach ( (array) get_the_terms( $post->ID, $taxonomy ) as $term ) {
+ if ( empty( $term->slug ) ) {
+ continue;
+ }
+
+ $term_class = sanitize_html_class( $term->slug, $term->term_id );
+ if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) {
+ $term_class = $term->term_id;
+ }
+
+ // 'post_tag' uses the 'tag' prefix for backward compatibility.
+ if ( 'post_tag' == $taxonomy ) {
+ $classes[] = 'tag-' . $term_class;
+ } else {
+ $classes[] = sanitize_html_class( $taxonomy . '-' . $term_class, $taxonomy . '-' . $term->term_id );
+ }
+ }
+ }
+ }
+
+ $classes = array_map( 'esc_attr', $classes );
+
+ /**
+ * Filter the list of CSS classes for the current post.
+ *
+ * @since 2.7.0
+ *
+ * @param array $classes An array of post classes.
+ * @param string $class A comma-separated list of additional classes added to the post.
+ * @param int $post_id The post ID.
+ */
+ $classes = apply_filters( 'post_class', $classes, $class, $post->ID );
+
+ return array_unique( $classes );
+}
+
+/**
+ * Display the classes for the body element.
+ *
+ * @since 2.8.0
+ *
+ * @param string|array $class One or more classes to add to the class list.
+ */
+function body_class( $class = '' ) {
+ // Separates classes with a single space, collates classes for body element
+ echo 'class="' . join( ' ', get_body_class( $class ) ) . '"';
+}
+
+/**
+ * Retrieve the classes for the body element as an array.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Query $wp_query
+ * @global wpdb $wpdb
+ *
+ * @param string|array $class One or more classes to add to the class list.
+ * @return array Array of classes.
+ */
+function get_body_class( $class = '' ) {
+ global $wp_query, $wpdb;
+
+ $classes = array();
+
+ if ( is_rtl() )
+ $classes[] = 'rtl';
+
+ if ( is_front_page() )
+ $classes[] = 'home';
+ if ( is_home() )
+ $classes[] = 'blog';
+ if ( is_archive() )
+ $classes[] = 'archive';
+ if ( is_date() )
+ $classes[] = 'date';
+ if ( is_search() ) {
+ $classes[] = 'search';
+ $classes[] = $wp_query->posts ? 'search-results' : 'search-no-results';
+ }
+ if ( is_paged() )
+ $classes[] = 'paged';
+ if ( is_attachment() )
+ $classes[] = 'attachment';
+ if ( is_404() )
+ $classes[] = 'error404';
+
+ if ( is_single() ) {
+ $post_id = $wp_query->get_queried_object_id();
+ $post = $wp_query->get_queried_object();
+
+ $classes[] = 'single';
+ if ( isset( $post->post_type ) ) {
+ $classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id);
+ $classes[] = 'postid-' . $post_id;
+
+ // Post Format
+ if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+ $post_format = get_post_format( $post->ID );
+
+ if ( $post_format && !is_wp_error($post_format) )
+ $classes[] = 'single-format-' . sanitize_html_class( $post_format );
+ else
+ $classes[] = 'single-format-standard';
+ }
+ }
+
+ if ( is_attachment() ) {
+ $mime_type = get_post_mime_type($post_id);
+ $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
+ $classes[] = 'attachmentid-' . $post_id;
+ $classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type );
+ }
+ } elseif ( is_archive() ) {
+ if ( is_post_type_archive() ) {
+ $classes[] = 'post-type-archive';
+ $post_type = get_query_var( 'post_type' );
+ if ( is_array( $post_type ) )
+ $post_type = reset( $post_type );
+ $classes[] = 'post-type-archive-' . sanitize_html_class( $post_type );
+ } elseif ( is_author() ) {
+ $author = $wp_query->get_queried_object();
+ $classes[] = 'author';
+ if ( isset( $author->user_nicename ) ) {
+ $classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );
+ $classes[] = 'author-' . $author->ID;
+ }
+ } elseif ( is_category() ) {
+ $cat = $wp_query->get_queried_object();
+ $classes[] = 'category';
+ if ( isset( $cat->term_id ) ) {
+ $cat_class = sanitize_html_class( $cat->slug, $cat->term_id );
+ if ( is_numeric( $cat_class ) || ! trim( $cat_class, '-' ) ) {
+ $cat_class = $cat->term_id;
+ }
+
+ $classes[] = 'category-' . $cat_class;
+ $classes[] = 'category-' . $cat->term_id;
+ }
+ } elseif ( is_tag() ) {
+ $tag = $wp_query->get_queried_object();
+ $classes[] = 'tag';
+ if ( isset( $tag->term_id ) ) {
+ $tag_class = sanitize_html_class( $tag->slug, $tag->term_id );
+ if ( is_numeric( $tag_class ) || ! trim( $tag_class, '-' ) ) {
+ $tag_class = $tag->term_id;
+ }
+
+ $classes[] = 'tag-' . $tag_class;
+ $classes[] = 'tag-' . $tag->term_id;
+ }
+ } elseif ( is_tax() ) {
+ $term = $wp_query->get_queried_object();
+ if ( isset( $term->term_id ) ) {
+ $term_class = sanitize_html_class( $term->slug, $term->term_id );
+ if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) {
+ $term_class = $term->term_id;
+ }
+
+ $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );
+ $classes[] = 'term-' . $term_class;
+ $classes[] = 'term-' . $term->term_id;
+ }
+ }
+ } elseif ( is_page() ) {
+ $classes[] = 'page';
+
+ $page_id = $wp_query->get_queried_object_id();
+
+ $post = get_post($page_id);
+
+ $classes[] = 'page-id-' . $page_id;
+
+ if ( get_pages( array( 'parent' => $page_id, 'number' => 1 ) ) ) {
+ $classes[] = 'page-parent';
+ }
+
+ if ( $post->post_parent ) {
+ $classes[] = 'page-child';
+ $classes[] = 'parent-pageid-' . $post->post_parent;
+ }
+ if ( is_page_template() ) {
+ $classes[] = 'page-template';
+
+ $template_slug = get_page_template_slug( $page_id );
+ $template_parts = explode( '/', $template_slug );
+
+ foreach ( $template_parts as $part ) {
+ $classes[] = 'page-template-' . sanitize_html_class( str_replace( array( '.', '/' ), '-', basename( $part, '.php' ) ) );
+ }
+ $classes[] = 'page-template-' . sanitize_html_class( str_replace( '.', '-', $template_slug ) );
+ } else {
+ $classes[] = 'page-template-default';
+ }
+ }
+
+ if ( is_user_logged_in() )
+ $classes[] = 'logged-in';
+
+ if ( is_admin_bar_showing() ) {
+ $classes[] = 'admin-bar';
+ $classes[] = 'no-customize-support';
+ }
+
+ if ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() )
+ $classes[] = 'custom-background';
+
+ $page = $wp_query->get( 'page' );
+
+ if ( ! $page || $page < 2 )
+ $page = $wp_query->get( 'paged' );
+
+ if ( $page && $page > 1 && ! is_404() ) {
+ $classes[] = 'paged-' . $page;
+
+ if ( is_single() )
+ $classes[] = 'single-paged-' . $page;
+ elseif ( is_page() )
+ $classes[] = 'page-paged-' . $page;
+ elseif ( is_category() )
+ $classes[] = 'category-paged-' . $page;
+ elseif ( is_tag() )
+ $classes[] = 'tag-paged-' . $page;
+ elseif ( is_date() )
+ $classes[] = 'date-paged-' . $page;
+ elseif ( is_author() )
+ $classes[] = 'author-paged-' . $page;
+ elseif ( is_search() )
+ $classes[] = 'search-paged-' . $page;
+ elseif ( is_post_type_archive() )
+ $classes[] = 'post-type-paged-' . $page;
+ }
+
+ if ( ! empty( $class ) ) {
+ if ( !is_array( $class ) )
+ $class = preg_split( '#\s+#', $class );
+ $classes = array_merge( $classes, $class );
+ } else {
+ // Ensure that we always coerce class to being an array.
+ $class = array();
+ }
+
+ $classes = array_map( 'esc_attr', $classes );
+
+ /**
+ * Filter the list of CSS body classes for the current post or page.
+ *
+ * @since 2.8.0
+ *
+ * @param array $classes An array of body classes.
+ * @param string $class A comma-separated list of additional classes added to the body.
+ */
+ $classes = apply_filters( 'body_class', $classes, $class );
+
+ return array_unique( $classes );
+}
+
+/**
+ * Whether post requires password and correct password has been provided.
+ *
+ * @since 2.7.0
+ *
+ * @param int|WP_Post|null $post An optional post. Global $post used if not provided.
+ * @return bool false if a password is not required or the correct password cookie is present, true otherwise.
+ */
+function post_password_required( $post = null ) {
+ $post = get_post($post);
+
+ if ( empty( $post->post_password ) )
+ return false;
+
+ if ( ! isset( $_COOKIE['wp-postpass_' . COOKIEHASH] ) )
+ return true;
+
+ require_once ABSPATH . WPINC . '/class-phpass.php';
+ $hasher = new PasswordHash( 8, true );
+
+ $hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] );
+ if ( 0 !== strpos( $hash, '$P$B' ) )
+ return true;
+
+ return ! $hasher->CheckPassword( $post->post_password, $hash );
+}
+
+//
+// Page Template Functions for usage in Themes
+//
+
+/**
+ * The formatted output of a list of pages.
+ *
+ * Displays page links for paginated posts (i.e. includes the <!--nextpage-->.
+ * Quicktag one or more times). This tag must be within The Loop.
+ *
+ * @since 1.2.0
+ *
+ * @global int $page
+ * @global int $numpages
+ * @global int $multipage
+ * @global int $more
+ *
+ * @param string|array $args {
+ * Optional. Array or string of default arguments.
+ *
+ * @type string $before HTML or text to prepend to each link. Default is `<p> Pages:`.
+ * @type string $after HTML or text to append to each link. Default is `</p>`.
+ * @type string $link_before HTML or text to prepend to each link, inside the `<a>` tag.
+ * Also prepended to the current item, which is not linked. Default empty.
+ * @type string $link_after HTML or text to append to each Pages link inside the `<a>` tag.
+ * Also appended to the current item, which is not linked. Default empty.
+ * @type string $next_or_number Indicates whether page numbers should be used. Valid values are number
+ * and next. Default is 'number'.
+ * @type string $separator Text between pagination links. Default is ' '.
+ * @type string $nextpagelink Link text for the next page link, if available. Default is 'Next Page'.
+ * @type string $previouspagelink Link text for the previous page link, if available. Default is 'Previous Page'.
+ * @type string $pagelink Format string for page numbers. The % in the parameter string will be
+ * replaced with the page number, so 'Page %' generates "Page 1", "Page 2", etc.
+ * Defaults to '%', just the page number.
+ * @type int|bool $echo Whether to echo or not. Accepts 1|true or 0|false. Default 1|true.
+ * }
+ * @return string Formatted output in HTML.
+ */
+function wp_link_pages( $args = '' ) {
+ global $page, $numpages, $multipage, $more;
+
$defaults = array(
- 'before' => '<p>' . __('Pages:'), 'after' => '</p>',
- 'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
- 'previouspagelink' => __('Previous page'), 'pagelink' => '%',
- 'more_file' => '', 'echo' => 1
+ 'before' => '<p>' . __( 'Pages:' ),
+ 'after' => '</p>',
+ 'link_before' => '',
+ 'link_after' => '',
+ 'next_or_number' => 'number',
+ 'separator' => ' ',
+ 'nextpagelink' => __( 'Next page' ),
+ 'previouspagelink' => __( 'Previous page' ),
+ 'pagelink' => '%',
+ 'echo' => 1
);
- $r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
+ $params = wp_parse_args( $args, $defaults );
- global $post, $id, $page, $numpages, $multipage, $more, $pagenow;
- if ( $more_file != '' )
- $file = $more_file;
- else
- $file = $pagenow;
+ /**
+ * Filter the arguments used in retrieving page links for paginated posts.
+ *
+ * @since 3.0.0
+ *
+ * @param array $params An array of arguments for page links for paginated posts.
+ */
+ $r = apply_filters( 'wp_link_pages_args', $params );
$output = '';
if ( $multipage ) {
- if ( 'number' == $next_or_number ) {
- $output .= $before;
- for ( $i = 1; $i < ($numpages+1); $i = $i + 1 ) {
- $j = str_replace('%',"$i",$pagelink);
- $output .= ' ';
- if ( ($i != $page) || ((!$more) && ($page==1)) ) {
- if ( 1 == $i ) {
- $output .= '<a href="' . get_permalink() . '">';
- } else {
- if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
- $output .= '<a href="' . get_permalink() . '&page=' . $i . '">';
- else
- $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">';
- }
+ if ( 'number' == $r['next_or_number'] ) {
+ $output .= $r['before'];
+ for ( $i = 1; $i <= $numpages; $i++ ) {
+ $link = $r['link_before'] . str_replace( '%', $i, $r['pagelink'] ) . $r['link_after'];
+ if ( $i != $page || ! $more && 1 == $page ) {
+ $link = _wp_link_page( $i ) . $link . '</a>';
}
- $output .= $j;
- if ( ($i != $page) || ((!$more) && ($page==1)) )
- $output .= '</a>';
+ /**
+ * Filter the HTML output of individual page number links.
+ *
+ * @since 3.6.0
+ *
+ * @param string $link The page number HTML output.
+ * @param int $i Page number for paginated posts' page links.
+ */
+ $link = apply_filters( 'wp_link_pages_link', $link, $i );
+
+ // Use the custom links separator beginning with the second link.
+ $output .= ( 1 === $i ) ? ' ' : $r['separator'];
+ $output .= $link;
}
- $output .= $after;
- } else {
- if ( $more ) {
- $output .= $before;
- $i = $page - 1;
- if ( $i && $more ) {
- if ( 1 == $i ) {
- $output .= '<a href="' . get_permalink() . '">' . $previouspagelink . '</a>';
- } else {
- if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
- $output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $previouspagelink . '</a>';
- else
- $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $previouspagelink . '</a>';
- }
- }
- $i = $page + 1;
- if ( $i <= $numpages && $more ) {
- if ( 1 == $i ) {
- $output .= '<a href="' . get_permalink() . '">' . $nextpagelink . '</a>';
- } else {
- if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
- $output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $nextpagelink . '</a>';
- else
- $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $nextpagelink . '</a>';
- }
+ $output .= $r['after'];
+ } elseif ( $more ) {
+ $output .= $r['before'];
+ $prev = $page - 1;
+ if ( $prev ) {
+ $link = _wp_link_page( $prev ) . $r['link_before'] . $r['previouspagelink'] . $r['link_after'] . '</a>';
+
+ /** This filter is documented in wp-includes/post-template.php */
+ $output .= apply_filters( 'wp_link_pages_link', $link, $prev );
+ }
+ $next = $page + 1;
+ if ( $next <= $numpages ) {
+ if ( $prev ) {
+ $output .= $r['separator'];
}
- $output .= $after;
+ $link = _wp_link_page( $next ) . $r['link_before'] . $r['nextpagelink'] . $r['link_after'] . '</a>';
+
+ /** This filter is documented in wp-includes/post-template.php */
+ $output .= apply_filters( 'wp_link_pages_link', $link, $next );
}
+ $output .= $r['after'];
}
}
- if ( $echo )
- echo $output;
-
- return $output;
+ /**
+ * Filter the HTML output of page links for paginated posts.
+ *
+ * @since 3.6.0
+ *
+ * @param string $output HTML output of paginated posts' page links.
+ * @param array $args An array of arguments.
+ */
+ $html = apply_filters( 'wp_link_pages', $output, $args );
+
+ if ( $r['echo'] ) {
+ echo $html;
+ }
+ return $html;
}
+/**
+ * Helper function for wp_link_pages().
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int $i Page number.
+ * @return string Link.
+ */
+function _wp_link_page( $i ) {
+ global $wp_rewrite;
+ $post = get_post();
+
+ if ( 1 == $i ) {
+ $url = get_permalink();
+ } else {
+ if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
+ $url = add_query_arg( 'page', $i, get_permalink() );
+ elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID )
+ $url = trailingslashit(get_permalink()) . user_trailingslashit("$wp_rewrite->pagination_base/" . $i, 'single_paged');
+ else
+ $url = trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged');
+ }
+
+ if ( is_preview() ) {
+ $url = add_query_arg( array(
+ 'preview' => 'true'
+ ), $url );
+
+ if ( ( 'draft' !== $post->post_status ) && isset( $_GET['preview_id'], $_GET['preview_nonce'] ) ) {
+ $url = add_query_arg( array(
+ 'preview_id' => wp_unslash( $_GET['preview_id'] ),
+ 'preview_nonce' => wp_unslash( $_GET['preview_nonce'] )
+ ), $url );
+ }
+ }
+
+ return '<a href="' . esc_url( $url ) . '">';
+}
//
// Post-meta: Custom per-post fields.
//
-
+/**
+ * Retrieve post custom meta data field.
+ *
+ * @since 1.5.0
+ *
+ * @param string $key Meta data key name.
+ * @return false|string|array Array of values or single value, if only one element exists. False will be returned if key does not exist.
+ */
function post_custom( $key = '' ) {
$custom = get_post_custom();
- if ( 1 == count($custom[$key]) )
+ if ( !isset( $custom[$key] ) )
+ return false;
+ elseif ( 1 == count($custom[$key]) )
return $custom[$key][0];
else
return $custom[$key];
}
-
-// this will probably change at some point...
+/**
+ * Display list of post custom fields.
+ *
+ * @internal This will probably change at some point...
+ * @since 1.2.0
+ */
function the_meta() {
- global $id;
-
if ( $keys = get_post_custom_keys() ) {
echo "<ul class='post-meta'>\n";
- foreach ( $keys as $key ) {
+ foreach ( (array) $keys as $key ) {
$keyt = trim($key);
- if ( '_' == $keyt{0} )
+ if ( is_protected_meta( $keyt, 'post' ) )
continue;
$values = array_map('trim', get_post_custom_values($key));
$value = implode($values,', ');
- echo apply_filters('the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value);
+
+ /**
+ * Filter the HTML output of the li element in the post custom fields list.
+ *
+ * @since 2.2.0
+ *
+ * @param string $html The HTML output for the li element.
+ * @param string $key Meta key.
+ * @param string $value Meta value.
+ */
+ echo apply_filters( 'the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value );
}
echo "</ul>\n";
}
}
-
//
// Pages
//
-function wp_dropdown_pages($args = '') {
+/**
+ * Retrieve or display list of pages as a dropdown (select list).
+ *
+ * @since 2.1.0
+ * @since 4.2.0 The `$value_field` argument was added.
+ * @since 4.3.0 The `$class` argument was added.
+ *
+ * @param array|string $args {
+ * Optional. Array or string of arguments to generate a pages drop-down element.
+ *
+ * @type int $depth Maximum depth. Default 0.
+ * @type int $child_of Page ID to retrieve child pages of. Default 0.
+ * @type int|string $selected Value of the option that should be selected. Default 0.
+ * @type bool|int $echo Whether to echo or return the generated markup. Accepts 0, 1,
+ * or their bool equivalents. Default 1.
+ * @type string $name Value for the 'name' attribute of the select element.
+ * Default 'page_id'.
+ * @type string $id Value for the 'id' attribute of the select element.
+ * @type string $class Value for the 'class' attribute of the select element. Default: none.
+ * Defaults to the value of `$name`.
+ * @type string $show_option_none Text to display for showing no pages. Default empty (does not display).
+ * @type string $show_option_no_change Text to display for "no change" option. Default empty (does not display).
+ * @type string $option_none_value Value to use when no page is selected. Default empty.
+ * @type string $value_field Post field used to populate the 'value' attribute of the option
+ * elements. Accepts any valid post field. Default 'ID'.
+ * }
+ * @return string HTML content, if not displaying.
+ */
+function wp_dropdown_pages( $args = '' ) {
$defaults = array(
'depth' => 0, 'child_of' => 0,
'selected' => 0, 'echo' => 1,
- 'name' => 'page_id', 'show_option_none' => ''
+ 'name' => 'page_id', 'id' => '',
+ 'class' => '',
+ 'show_option_none' => '', 'show_option_no_change' => '',
+ 'option_none_value' => '',
+ 'value_field' => 'ID',
);
$r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
- $pages = get_pages($r);
+ $pages = get_pages( $r );
$output = '';
-
- if ( ! empty($pages) ) {
- $output = "<select name='$name'>\n";
- if ( $show_option_none )
- $output .= "\t<option value=''>$show_option_none</option>\n";
- $output .= walk_page_dropdown_tree($pages, $depth, $r);
- $output .= "</select>\n";
+ // Back-compat with old system where both id and name were based on $name argument
+ if ( empty( $r['id'] ) ) {
+ $r['id'] = $r['name'];
}
- $output = apply_filters('wp_dropdown_pages', $output);
+ if ( ! empty( $pages ) ) {
+ $class = '';
+ if ( ! empty( $r['class'] ) ) {
+ $class = " class='" . esc_attr( $r['class'] ) . "'";
+ }
- if ( $echo )
- echo $output;
+ $output = "<select name='" . esc_attr( $r['name'] ) . "'" . $class . " id='" . esc_attr( $r['id'] ) . "'>\n";
+ if ( $r['show_option_no_change'] ) {
+ $output .= "\t<option value=\"-1\">" . $r['show_option_no_change'] . "</option>\n";
+ }
+ if ( $r['show_option_none'] ) {
+ $output .= "\t<option value=\"" . esc_attr( $r['option_none_value'] ) . '">' . $r['show_option_none'] . "</option>\n";
+ }
+ $output .= walk_page_dropdown_tree( $pages, $r['depth'], $r );
+ $output .= "</select>\n";
+ }
- return $output;
+ /**
+ * Filter the HTML output of a list of pages as a drop down.
+ *
+ * @since 2.1.0
+ *
+ * @param string $output HTML output for drop down list of pages.
+ */
+ $html = apply_filters( 'wp_dropdown_pages', $output );
+
+ if ( $r['echo'] ) {
+ echo $html;
+ }
+ return $html;
}
-function wp_list_pages($args = '') {
+/**
+ * Retrieve or display list of pages in list (li) format.
+ *
+ * @since 1.5.0
+ *
+ * @see get_pages()
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param array|string $args {
+ * Array or string of arguments. Optional.
+ *
+ * @type int $child_of Display only the sub-pages of a single page by ID. Default 0 (all pages).
+ * @type string $authors Comma-separated list of author IDs. Default empty (all authors).
+ * @type string $date_format PHP date format to use for the listed pages. Relies on the 'show_date' parameter.
+ * Default is the value of 'date_format' option.
+ * @type int $depth Number of levels in the hierarchy of pages to include in the generated list.
+ * Accepts -1 (any depth), 0 (all pages), 1 (top-level pages only), and n (pages to
+ * the given n depth). Default 0.
+ * @type bool $echo Whether or not to echo the list of pages. Default true.
+ * @type string $exclude Comma-separated list of page IDs to exclude. Default empty.
+ * @type array $include Comma-separated list of page IDs to include. Default empty.
+ * @type string $link_after Text or HTML to follow the page link label. Default null.
+ * @type string $link_before Text or HTML to precede the page link label. Default null.
+ * @type string $post_type Post type to query for. Default 'page'.
+ * @type string $post_status Comma-separated list of post statuses to include. Default 'publish'.
+ * @type string $show_date Whether to display the page publish or modified date for each page. Accepts
+ * 'modified' or any other value. An empty value hides the date. Default empty.
+ * @type string $sort_column Comma-separated list of column names to sort the pages by. Accepts 'post_author',
+ * 'post_date', 'post_title', 'post_name', 'post_modified', 'post_modified_gmt',
+ * 'menu_order', 'post_parent', 'ID', 'rand', or 'comment_count'. Default 'post_title'.
+ * @type string $title_li List heading. Passing a null or empty value will result in no heading, and the list
+ * will not be wrapped with unordered list `<ul>` tags. Default 'Pages'.
+ * @type Walker $walker Walker instance to use for listing pages. Default empty (Walker_Page).
+ * }
+ * @return string|void HTML list of pages.
+ */
+function wp_list_pages( $args = '' ) {
$defaults = array(
'depth' => 0, 'show_date' => '',
- 'date_format' => get_option('date_format'),
+ 'date_format' => get_option( 'date_format' ),
'child_of' => 0, 'exclude' => '',
- 'title_li' => __('Pages'), 'echo' => 1,
- 'authors' => '', 'sort_column' => 'menu_order, post_title'
+ 'title_li' => __( 'Pages' ), 'echo' => 1,
+ 'authors' => '', 'sort_column' => 'menu_order, post_title',
+ 'link_before' => '', 'link_after' => '', 'walker' => '',
);
$r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
$output = '';
$current_page = 0;
// sanitize, mostly to keep spaces out
- $r['exclude'] = preg_replace('[^0-9,]', '', $r['exclude']);
+ $r['exclude'] = preg_replace( '/[^0-9,]/', '', $r['exclude'] );
+
+ // Allow plugins to filter an array of excluded pages (but don't put a nullstring into the array)
+ $exclude_array = ( $r['exclude'] ) ? explode( ',', $r['exclude'] ) : array();
- // Allow plugins to filter an array of excluded pages
- $r['exclude'] = implode(',', apply_filters('wp_list_pages_excludes', explode(',', $r['exclude'])));
+ /**
+ * Filter the array of pages to exclude from the pages list.
+ *
+ * @since 2.1.0
+ *
+ * @param array $exclude_array An array of page IDs to exclude.
+ */
+ $r['exclude'] = implode( ',', apply_filters( 'wp_list_pages_excludes', $exclude_array ) );
// Query pages.
- $pages = get_pages($r);
+ $r['hierarchical'] = 0;
+ $pages = get_pages( $r );
- if ( !empty($pages) ) {
- if ( $r['title_li'] )
+ if ( ! empty( $pages ) ) {
+ if ( $r['title_li'] ) {
$output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';
-
+ }
global $wp_query;
- if ( is_page() )
- $current_page = $wp_query->get_queried_object_id();
- $output .= walk_page_tree($pages, $r['depth'], $current_page, $r);
+ if ( is_page() || is_attachment() || $wp_query->is_posts_page ) {
+ $current_page = get_queried_object_id();
+ } elseif ( is_singular() ) {
+ $queried_object = get_queried_object();
+ if ( is_post_type_hierarchical( $queried_object->post_type ) ) {
+ $current_page = $queried_object->ID;
+ }
+ }
- if ( $r['title_li'] )
+ $output .= walk_page_tree( $pages, $r['depth'], $current_page, $r );
+
+ if ( $r['title_li'] ) {
$output .= '</ul></li>';
+ }
+ }
+
+ /**
+ * Filter the HTML output of the pages to list.
+ *
+ * @since 1.5.1
+ *
+ * @see wp_list_pages()
+ *
+ * @param string $output HTML output of the pages list.
+ * @param array $r An array of page-listing arguments.
+ */
+ $html = apply_filters( 'wp_list_pages', $output, $r );
+
+ if ( $r['echo'] ) {
+ echo $html;
+ } else {
+ return $html;
}
+}
- $output = apply_filters('wp_list_pages', $output);
+/**
+ * Display or retrieve list of pages with optional home link.
+ *
+ * The arguments are listed below and part of the arguments are for {@link
+ * wp_list_pages()} function. Check that function for more info on those
+ * arguments.
+ *
+ * @since 2.7.0
+ *
+ * @param array|string $args {
+ * Optional. Arguments to generate a page menu. See wp_list_pages() for additional arguments.
+ *
+ * @type string $sort_column How to short the list of pages. Accepts post column names.
+ * Default 'menu_order, post_title'.
+ * @type string $menu_class Class to use for the div ID containing the page list. Default 'menu'.
+ * @type bool $echo Whether to echo the list or return it. Accepts true (echo) or false (return).
+ * Default true.
+ * @type string $link_before The HTML or text to prepend to $show_home text. Default empty.
+ * @type string $link_after The HTML or text to append to $show_home text. Default empty.
+ * @type int|bool|string $show_home Whether to display the link to the home page. Can just enter the text
+ * you'd like shown for the home link. 1|true defaults to 'Home'.
+ * }
+ * @return string|void HTML menu
+ */
+function wp_page_menu( $args = array() ) {
+ $defaults = array('sort_column' => 'menu_order, post_title', 'menu_class' => 'menu', 'echo' => true, 'link_before' => '', 'link_after' => '');
+ $args = wp_parse_args( $args, $defaults );
+
+ /**
+ * Filter the arguments used to generate a page-based menu.
+ *
+ * @since 2.7.0
+ *
+ * @see wp_page_menu()
+ *
+ * @param array $args An array of page menu arguments.
+ */
+ $args = apply_filters( 'wp_page_menu_args', $args );
+
+ $menu = '';
+
+ $list_args = $args;
+
+ // Show Home in the menu
+ if ( ! empty($args['show_home']) ) {
+ if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] )
+ $text = __('Home');
+ else
+ $text = $args['show_home'];
+ $class = '';
+ if ( is_front_page() && !is_paged() )
+ $class = 'class="current_page_item"';
+ $menu .= '<li ' . $class . '><a href="' . home_url( '/' ) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
+ // If the front page is a page, add it to the exclude list
+ if (get_option('show_on_front') == 'page') {
+ if ( !empty( $list_args['exclude'] ) ) {
+ $list_args['exclude'] .= ',';
+ } else {
+ $list_args['exclude'] = '';
+ }
+ $list_args['exclude'] .= get_option('page_on_front');
+ }
+ }
- if ( $r['echo'] )
- echo $output;
+ $list_args['echo'] = false;
+ $list_args['title_li'] = '';
+ $menu .= str_replace( array( "\r", "\n", "\t" ), '', wp_list_pages($list_args) );
+
+ if ( $menu )
+ $menu = '<ul>' . $menu . '</ul>';
+
+ $menu = '<div class="' . esc_attr($args['menu_class']) . '">' . $menu . "</div>\n";
+
+ /**
+ * Filter the HTML output of a page-based menu.
+ *
+ * @since 2.7.0
+ *
+ * @see wp_page_menu()
+ *
+ * @param string $menu The HTML output.
+ * @param array $args An array of arguments.
+ */
+ $menu = apply_filters( 'wp_page_menu', $menu, $args );
+ if ( $args['echo'] )
+ echo $menu;
else
- return $output;
+ return $menu;
}
//
// Page helpers
//
-function walk_page_tree() {
- $walker = new Walker_Page;
- $args = func_get_args();
- return call_user_func_array(array(&$walker, 'walk'), $args);
+/**
+ * Retrieve HTML list content for page list.
+ *
+ * @uses Walker_Page to create HTML list content.
+ * @since 2.1.0
+ *
+ * @param array $pages
+ * @param int $depth
+ * @param int $current_page
+ * @param array $r
+ * @return string
+ */
+function walk_page_tree( $pages, $depth, $current_page, $r ) {
+ if ( empty($r['walker']) )
+ $walker = new Walker_Page;
+ else
+ $walker = $r['walker'];
+
+ foreach ( (array) $pages as $page ) {
+ if ( $page->post_parent )
+ $r['pages_with_children'][ $page->post_parent ] = true;
+ }
+
+ $args = array($pages, $depth, $r, $current_page);
+ return call_user_func_array(array($walker, 'walk'), $args);
}
+/**
+ * Retrieve HTML dropdown (select) content for page list.
+ *
+ * @uses Walker_PageDropdown to create HTML dropdown content.
+ * @since 2.1.0
+ * @see Walker_PageDropdown::walk() for parameters and return description.
+ *
+ * @return string
+ */
function walk_page_dropdown_tree() {
- $walker = new Walker_PageDropdown;
$args = func_get_args();
- return call_user_func_array(array(&$walker, 'walk'), $args);
+ if ( empty($args[2]['walker']) ) // the user's options are the third parameter
+ $walker = new Walker_PageDropdown;
+ else
+ $walker = $args[2]['walker'];
+
+ return call_user_func_array(array($walker, 'walk'), $args);
}
-//
-// Attachments
-//
+/**
+ * Create HTML list of pages.
+ *
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_Page extends Walker {
+ /**
+ * @see Walker::$tree_type
+ * @since 2.1.0
+ * @var string
+ */
+ public $tree_type = 'page';
+
+ /**
+ * @see Walker::$db_fields
+ * @since 2.1.0
+ * @todo Decouple this.
+ * @var array
+ */
+ public $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
+
+ /**
+ * @see Walker::start_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of page. Used for padding.
+ * @param array $args
+ */
+ public function start_lvl( &$output, $depth = 0, $args = array() ) {
+ $indent = str_repeat("\t", $depth);
+ $output .= "\n$indent<ul class='children'>\n";
+ }
+
+ /**
+ * @see Walker::end_lvl()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of page. Used for padding.
+ * @param array $args
+ */
+ public function end_lvl( &$output, $depth = 0, $args = array() ) {
+ $indent = str_repeat("\t", $depth);
+ $output .= "$indent</ul>\n";
+ }
+
+ /**
+ * @see Walker::start_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Page data object.
+ * @param int $depth Depth of page. Used for padding.
+ * @param int $current_page Page ID.
+ * @param array $args
+ */
+ public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
+ if ( $depth ) {
+ $indent = str_repeat( "\t", $depth );
+ } else {
+ $indent = '';
+ }
+
+ $css_class = array( 'page_item', 'page-item-' . $page->ID );
+
+ if ( isset( $args['pages_with_children'][ $page->ID ] ) ) {
+ $css_class[] = 'page_item_has_children';
+ }
+
+ if ( ! empty( $current_page ) ) {
+ $_current_page = get_post( $current_page );
+ if ( $_current_page && in_array( $page->ID, $_current_page->ancestors ) ) {
+ $css_class[] = 'current_page_ancestor';
+ }
+ if ( $page->ID == $current_page ) {
+ $css_class[] = 'current_page_item';
+ } elseif ( $_current_page && $page->ID == $_current_page->post_parent ) {
+ $css_class[] = 'current_page_parent';
+ }
+ } elseif ( $page->ID == get_option('page_for_posts') ) {
+ $css_class[] = 'current_page_parent';
+ }
+
+ /**
+ * Filter the list of CSS classes to include with each page item in the list.
+ *
+ * @since 2.8.0
+ *
+ * @see wp_list_pages()
+ *
+ * @param array $css_class An array of CSS classes to be applied
+ * to each list item.
+ * @param WP_Post $page Page data object.
+ * @param int $depth Depth of page, used for padding.
+ * @param array $args An array of arguments.
+ * @param int $current_page ID of the current page.
+ */
+ $css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
+
+ if ( '' === $page->post_title ) {
+ /* translators: %d: ID of a post */
+ $page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
+ }
+
+ $args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before'];
+ $args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after'];
+
+ /** This filter is documented in wp-includes/post-template.php */
+ $output .= $indent . sprintf(
+ '<li class="%s"><a href="%s">%s%s%s</a>',
+ $css_classes,
+ get_permalink( $page->ID ),
+ $args['link_before'],
+ apply_filters( 'the_title', $page->post_title, $page->ID ),
+ $args['link_after']
+ );
+
+ if ( ! empty( $args['show_date'] ) ) {
+ if ( 'modified' == $args['show_date'] ) {
+ $time = $page->post_modified;
+ } else {
+ $time = $page->post_date;
+ }
+
+ $date_format = empty( $args['date_format'] ) ? '' : $args['date_format'];
+ $output .= " " . mysql2date( $date_format, $time );
+ }
+ }
+
+ /**
+ * @see Walker::end_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Page data object. Not used.
+ * @param int $depth Depth of page. Not Used.
+ * @param array $args
+ */
+ public function end_el( &$output, $page, $depth = 0, $args = array() ) {
+ $output .= "</li>\n";
+ }
-function the_attachment_link($id = 0, $fullsize = false, $max_dims = false) {
- echo get_the_attachment_link($id, $fullsize, $max_dims);
}
-function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false) {
- $id = (int) $id;
- $_post = & get_post($id);
+/**
+ * Create HTML dropdown list of pages.
+ *
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_PageDropdown extends Walker {
+ /**
+ * @see Walker::$tree_type
+ * @since 2.1.0
+ * @var string
+ */
+ public $tree_type = 'page';
+
+ /**
+ * @see Walker::$db_fields
+ * @since 2.1.0
+ * @todo Decouple this
+ * @var array
+ */
+ public $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
+
+ /**
+ * @see Walker::start_el()
+ * @since 2.1.0
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $page Page data object.
+ * @param int $depth Depth of page in reference to parent pages. Used for padding.
+ * @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option
+ * element. Uses 'value_field' argument to fill "value" attribute. See {@see wp_dropdown_pages()}.
+ * @param int $id
+ */
+ public function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) {
+ $pad = str_repeat(' ', $depth * 3);
+
+ if ( ! isset( $args['value_field'] ) || ! isset( $page->{$args['value_field']} ) ) {
+ $args['value_field'] = 'ID';
+ }
- if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
- return __('Missing Attachment');
+ $output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $page->{$args['value_field']} ) . "\"";
+ if ( $page->ID == $args['selected'] )
+ $output .= ' selected="selected"';
+ $output .= '>';
- $post_title = attribute_escape($_post->post_title);
+ $title = $page->post_title;
+ if ( '' === $title ) {
+ /* translators: %d: ID of a post */
+ $title = sprintf( __( '#%d (no title)' ), $page->ID );
+ }
- $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
- return "<a href='$url' title='$post_title'>$innerHTML</a>";
+ /**
+ * Filter the page title when creating an HTML drop-down list of pages.
+ *
+ * @since 3.1.0
+ *
+ * @param string $title Page title.
+ * @param object $page Page data object.
+ */
+ $title = apply_filters( 'list_pages', $title, $page );
+ $output .= $pad . esc_html( $title );
+ $output .= "</option>\n";
+ }
}
-function get_attachment_icon_src( $id = 0, $fullsize = false ) {
- $id = (int) $id;
- if ( !$post = & get_post($id) )
- return false;
+//
+// Attachments
+//
- $imagedata = wp_get_attachment_metadata( $post->ID );
+/**
+ * Display an attachment page link using an image or icon.
+ *
+ * @since 2.0.0
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ * @param bool $fullsize Optional, default is false. Whether to use full size.
+ * @param bool $deprecated Deprecated. Not used.
+ * @param bool $permalink Optional, default is false. Whether to include permalink.
+ */
+function the_attachment_link( $id = 0, $fullsize = false, $deprecated = false, $permalink = false ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.5' );
+
+ if ( $fullsize )
+ echo wp_get_attachment_link($id, 'full', $permalink);
+ else
+ echo wp_get_attachment_link($id, 'thumbnail', $permalink);
+}
- $file = get_attached_file( $post->ID );
+/**
+ * Retrieve an attachment page link using an image or icon, if possible.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ * @param string $size Optional, default is 'thumbnail'. Size of image, either array or string.
+ * @param bool $permalink Optional, default is false. Whether to add permalink to image.
+ * @param bool $icon Optional, default is false. Whether to include icon.
+ * @param string|bool $text Optional, default is false. If string, then will be link text.
+ * @param array|string $attr Optional. Array or string of attributes.
+ * @return string HTML content.
+ */
+function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false, $attr = '' ) {
+ $id = intval( $id );
+ $_post = get_post( $id );
+
+ if ( empty( $_post ) || ( 'attachment' != $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) )
+ return __( 'Missing Attachment' );
+
+ if ( $permalink )
+ $url = get_attachment_link( $_post->ID );
+
+ if ( $text ) {
+ $link_text = $text;
+ } elseif ( $size && 'none' != $size ) {
+ $link_text = wp_get_attachment_image( $id, $size, $icon, $attr );
+ } else {
+ $link_text = '';
+ }
- if ( !$fullsize && $thumbfile = wp_get_attachment_thumb_file( $post->ID ) ) {
- // We have a thumbnail desired, specified and existing
+ if ( trim( $link_text ) == '' )
+ $link_text = $_post->post_title;
+
+ /**
+ * Filter a retrieved attachment page link.
+ *
+ * @since 2.7.0
+ *
+ * @param string $link_html The page link HTML output.
+ * @param int $id Post ID.
+ * @param string $size Image size. Default 'thumbnail'.
+ * @param bool $permalink Whether to add permalink to image. Default false.
+ * @param bool $icon Whether to include an icon. Default false.
+ * @param string|bool $text If string, will be link text. Default false.
+ */
+ return apply_filters( 'wp_get_attachment_link', "<a href='$url'>$link_text</a>", $id, $size, $permalink, $icon, $text );
+}
- $src = wp_get_attachment_thumb_url( $post->ID );
- $src_file = $thumbfile;
- $class = 'attachmentthumb';
- } elseif ( wp_attachment_is_image( $post->ID ) ) {
- // We have an image without a thumbnail
+/**
+ * Wrap attachment in paragraph tag before content.
+ *
+ * @since 2.0.0
+ *
+ * @param string $content
+ * @return string
+ */
+function prepend_attachment($content) {
+ $post = get_post();
- $src = wp_get_attachment_url( $post->ID );
- $src_file = & $file;
- $class = 'attachmentimage';
- } elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
- // No thumb, no image. We'll look for a mime-related icon instead.
+ if ( empty($post->post_type) || $post->post_type != 'attachment' )
+ return $content;
- $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
- $src_file = $icon_dir . '/' . basename($src);
+ if ( wp_attachment_is( 'video', $post ) ) {
+ $meta = wp_get_attachment_metadata( get_the_ID() );
+ $atts = array( 'src' => wp_get_attachment_url() );
+ if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
+ $atts['width'] = (int) $meta['width'];
+ $atts['height'] = (int) $meta['height'];
+ }
+ if ( has_post_thumbnail() ) {
+ $atts['poster'] = wp_get_attachment_url( get_post_thumbnail_id() );
+ }
+ $p = wp_video_shortcode( $atts );
+ } elseif ( wp_attachment_is( 'audio', $post ) ) {
+ $p = wp_audio_shortcode( array( 'src' => wp_get_attachment_url() ) );
+ } else {
+ $p = '<p class="attachment">';
+ // show the medium sized image representation of the attachment if available, and link to the raw file
+ $p .= wp_get_attachment_link(0, 'medium', false);
+ $p .= '</p>';
}
- if ( !isset($src) || !$src )
- return false;
+ /**
+ * Filter the attachment markup to be prepended to the post content.
+ *
+ * @since 2.0.0
+ *
+ * @see prepend_attachment()
+ *
+ * @param string $p The attachment HTML output.
+ */
+ $p = apply_filters( 'prepend_attachment', $p );
- return array($src, $src_file);
+ return "$p\n$content";
}
-function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
- $id = (int) $id;
- if ( !$post = & get_post($id) )
- return false;
+//
+// Misc
+//
- if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
- return false;
+/**
+ * Retrieve protected post password form content.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string HTML content for password form for password protected post.
+ */
+function get_the_password_form( $post = 0 ) {
+ $post = get_post( $post );
+ $label = 'pwbox-' . ( empty($post->ID) ? rand() : $post->ID );
+ $output = '<form action="' . esc_url( site_url( 'wp-login.php?action=postpass', 'login_post' ) ) . '" class="post-password-form" method="post">
+ <p>' . __( 'This content is password protected. To view it please enter your password below:' ) . '</p>
+ <p><label for="' . $label . '">' . __( 'Password:' ) . ' <input name="post_password" id="' . $label . '" type="password" size="20" /></label> <input type="submit" name="Submit" value="' . esc_attr__( 'Submit' ) . '" /></p></form>
+ ';
- list($src, $src_file) = $src;
+ /**
+ * Filter the HTML output for the protected post password form.
+ *
+ * If modifying the password field, please note that the core database schema
+ * limits the password field to 20 characters regardless of the value of the
+ * size attribute in the form input.
+ *
+ * @since 2.7.0
+ *
+ * @param string $output The password form HTML output.
+ */
+ return apply_filters( 'the_password_form', $output );
+}
- // Do we need to constrain the image?
- if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
+/**
+ * Whether currently in a page template.
+ *
+ * This template tag allows you to determine if you are in a page template.
+ * You can optionally provide a template name or array of template names
+ * and then the check will be specific to that template.
+ *
+ * @since 2.5.0
+ * @since 4.2.0 The `$template` parameter was changed to also accept an array of page templates.
+ *
+ * @param string|array $template The specific template name or array of templates to match.
+ * @return bool True on success, false on failure.
+ */
+function is_page_template( $template = '' ) {
+ if ( ! is_page() )
+ return false;
- $imagesize = getimagesize($src_file);
+ $page_template = get_page_template_slug( get_queried_object_id() );
- if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
- $actual_aspect = $imagesize[0] / $imagesize[1];
- $desired_aspect = $max_dims[0] / $max_dims[1];
+ if ( empty( $template ) )
+ return (bool) $page_template;
- if ( $actual_aspect >= $desired_aspect ) {
- $height = $actual_aspect * $max_dims[0];
- $constraint = "width='{$max_dims[0]}' ";
- $post->iconsize = array($max_dims[0], $height);
- } else {
- $width = $max_dims[1] / $actual_aspect;
- $constraint = "height='{$max_dims[1]}' ";
- $post->iconsize = array($width, $max_dims[1]);
- }
- } else {
- $post->iconsize = array($imagesize[0], $imagesize[1]);
+ if ( $template == $page_template )
+ return true;
+
+ if ( is_array( $template ) ) {
+ if ( ( in_array( 'default', $template, true ) && ! $page_template )
+ || in_array( $page_template, $template, true )
+ ) {
+ return true;
}
}
- $post_title = attribute_escape($post->post_title);
-
- $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
+ return ( 'default' === $template && ! $page_template );
+}
- return apply_filters( 'attachment_icon', $icon, $post->ID );
+/**
+ * Get the specific template name for a page.
+ *
+ * @since 3.4.0
+ *
+ * @param int $post_id Optional. The page ID to check. Defaults to the current post, when used in the loop.
+ * @return string|false Page template filename. Returns an empty string when the default page template
+ * is in use. Returns false if the post is not a page.
+ */
+function get_page_template_slug( $post_id = null ) {
+ $post = get_post( $post_id );
+ if ( ! $post || 'page' != $post->post_type )
+ return false;
+ $template = get_post_meta( $post->ID, '_wp_page_template', true );
+ if ( ! $template || 'default' == $template )
+ return '';
+ return $template;
}
-function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
- $id = (int) $id;
- if ( !$post = & get_post($id) )
+/**
+ * Retrieve formatted date timestamp of a revision (linked to that revisions's page).
+ *
+ * @since 2.6.0
+ *
+ * @param int|object $revision Revision ID or revision object.
+ * @param bool $link Optional, default is true. Link to revisions's page?
+ * @return string|false i18n formatted datetimestamp or localized 'Current Revision'.
+ */
+function wp_post_revision_title( $revision, $link = true ) {
+ if ( !$revision = get_post( $revision ) )
+ return $revision;
+
+ if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
return false;
- if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
- return $innerHTML;
+ /* translators: revision date format, see http://php.net/date */
+ $datef = _x( 'F j, Y @ H:i:s', 'revision date format' );
+ /* translators: 1: date */
+ $autosavef = _x( '%1$s [Autosave]', 'post revision title extra' );
+ /* translators: 1: date */
+ $currentf = _x( '%1$s [Current Revision]', 'post revision title extra' );
+ $date = date_i18n( $datef, strtotime( $revision->post_modified ) );
+ if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
+ $date = "<a href='$link'>$date</a>";
- $innerHTML = attribute_escape($post->post_title);
+ if ( !wp_is_post_revision( $revision ) )
+ $date = sprintf( $currentf, $date );
+ elseif ( wp_is_post_autosave( $revision ) )
+ $date = sprintf( $autosavef, $date );
- return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
+ return $date;
}
-function prepend_attachment($content) {
- $p = '<p class="attachment">';
- $p .= get_the_attachment_link(false, true, array(400, 300));
- $p .= '</p>';
- $p = apply_filters('prepend_attachment', $p);
+/**
+ * Retrieve formatted date timestamp of a revision (linked to that revisions's page).
+ *
+ * @since 3.6.0
+ *
+ * @param int|object $revision Revision ID or revision object.
+ * @param bool $link Optional, default is true. Link to revisions's page?
+ * @return string|false gravatar, user, i18n formatted datetimestamp or localized 'Current Revision'.
+ */
+function wp_post_revision_title_expanded( $revision, $link = true ) {
+ if ( !$revision = get_post( $revision ) )
+ return $revision;
+
+ if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
+ return false;
- return "$p\n$content";
-}
+ $author = get_the_author_meta( 'display_name', $revision->post_author );
+ /* translators: revision date format, see http://php.net/date */
+ $datef = _x( 'F j, Y @ H:i:s', 'revision date format' );
-//
-// Misc
-//
+ $gravatar = get_avatar( $revision->post_author, 24 );
-function get_the_password_form() {
- $output = '<form action="' . get_option('siteurl') . '/wp-pass.php" method="post">
- <p>' . __("This post is password protected. To view it please enter your password below:") . '</p>
- <p><label>' . __("Password:") . ' <input name="post_password" type="password" size="20" /></label> <input type="submit" name="Submit" value="' . __("Submit") . '" /></p>
- </form>
- ';
- return $output;
+ $date = date_i18n( $datef, strtotime( $revision->post_modified ) );
+ if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
+ $date = "<a href='$link'>$date</a>";
+
+ $revision_date_author = sprintf(
+ /* translators: post revision title: 1: author avatar, 2: author name, 3: time ago, 4: date */
+ _x( '%1$s %2$s, %3$s ago (%4$s)', 'post revision title' ),
+ $gravatar,
+ $author,
+ human_time_diff( strtotime( $revision->post_modified ), current_time( 'timestamp' ) ),
+ $date
+ );
+
+ $autosavef = __( '%1$s [Autosave]' );
+ $currentf = __( '%1$s [Current Revision]' );
+
+ if ( !wp_is_post_revision( $revision ) )
+ $revision_date_author = sprintf( $currentf, $revision_date_author );
+ elseif ( wp_is_post_autosave( $revision ) )
+ $revision_date_author = sprintf( $autosavef, $revision_date_author );
+
+ return $revision_date_author;
}
-?>
+/**
+ * Display list of a post's revisions.
+ *
+ * Can output either a UL with edit links or a TABLE with diff interface, and
+ * restore action links.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
+ * @param string $type 'all' (default), 'revision' or 'autosave'
+ */
+function wp_list_post_revisions( $post_id = 0, $type = 'all' ) {
+ if ( ! $post = get_post( $post_id ) )
+ return;
+
+ // $args array with (parent, format, right, left, type) deprecated since 3.6
+ if ( is_array( $type ) ) {
+ $type = ! empty( $type['type'] ) ? $type['type'] : $type;
+ _deprecated_argument( __FUNCTION__, '3.6' );
+ }
+
+ if ( ! $revisions = wp_get_post_revisions( $post->ID ) )
+ return;
+
+ $rows = '';
+ foreach ( $revisions as $revision ) {
+ if ( ! current_user_can( 'read_post', $revision->ID ) )
+ continue;
+
+ $is_autosave = wp_is_post_autosave( $revision );
+ if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) )
+ continue;
+
+ $rows .= "\t<li>" . wp_post_revision_title_expanded( $revision ) . "</li>\n";
+ }
+
+ echo "<div class='hide-if-js'><p>" . __( 'JavaScript must be enabled to use this feature.' ) . "</p></div>\n";
+
+ echo "<ul class='post-revisions hide-if-no-js'>\n";
+ echo $rows;
+ echo "</ul>";
+}
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