* Retrieve the ID of the current item in the WordPress Loop.
*
* @since 2.1.0
- * @uses $post
*
- * @return int
+ * @return int|false The ID of the current item in the WordPress Loop. False if $post is not set.
*/
function get_the_ID() {
- global $post;
- return $post->ID;
+ $post = get_post();
+ return ! empty( $post ) ? $post->ID : false;
}
/**
- * Display or retrieve the current post title with optional content.
+ * Display or retrieve the current post title with optional markup.
*
* @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 null|string Null on no title. String if $echo parameter is false.
+ * @param string $before Optional. Markup to prepend to the title. Default empty.
+ * @param string $after Optional. Markup to append to the title. Default empty.
+ * @param bool $echo Optional. Whether to echo or return the title. Default true for echo.
+ * @return string|void Current post title if $echo is false.
*/
-function the_title($before = '', $after = '', $echo = true) {
+function the_title( $before = '', $after = '', $echo = true ) {
$title = get_the_title();
if ( strlen($title) == 0 )
/**
* Sanitize the current title when retrieving or displaying.
*
- * Works like {@link the_title()}, except the parameters can be in a string or
+ * Works like 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.
+ * The title before it is displayed will have the tags stripped and esc_attr()
+ * before it is passed to the user or displayed. The default as with the_title(),
+ * is to display the title.
*
* @since 2.3.0
*
- * @param string|array $args Optional. Override the defaults.
- * @return string|null Null on failure or display. String when echo is false.
+ * @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;
- $title = esc_attr(strip_tags($title));
+ $title = $r['before'] . $title . $r['after'];
+ $title = esc_attr( strip_tags( $title ) );
- if ( $echo )
+ if ( $r['echo'] ) {
echo $title;
- else
+ } else {
return $title;
+ }
}
/**
*
* @since 0.71
*
- * @param int $id Optional. Post ID.
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
* @return string
*/
-function get_the_title( $id = 0 ) {
- $post = &get_post($id);
-
- $title = isset($post->post_title) ? $post->post_title : '';
- $id = isset($post->ID) ? $post->ID : (int) $id;
-
- if ( !is_admin() ) {
- if ( !empty($post->post_password) ) {
- $protected_title_format = apply_filters('protected_title_format', __('Protected: %s'));
- $title = sprintf($protected_title_format, $title);
- } else if ( isset($post->post_status) && 'private' == $post->post_status ) {
- $private_title_format = apply_filters('private_title_format', __('Private: %s'));
- $title = sprintf($private_title_format, $title);
+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 ) ) {
+
+ /**
+ * Filters 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 ) {
+
+ /**
+ * Filters 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 );
}
}
+
+ /**
+ * Filters 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
+ * The guid will appear to be a link, but should not be used as a 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
+ * URL is escaped to make it XML-safe.
*
* @since 1.5.0
*
- * @param int $id Optional. Post ID.
+ * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post.
*/
-function the_guid( $id = 0 ) {
- echo esc_url( get_the_guid( $id ) );
+function the_guid( $post = 0 ) {
+ $post = get_post( $post );
+
+ $guid = isset( $post->guid ) ? get_the_guid( $post ) : '';
+ $id = isset( $post->ID ) ? $post->ID : 0;
+
+ /**
+ * Filters the escaped Global Unique Identifier (guid) of the post.
+ *
+ * @since 4.2.0
+ *
+ * @see get_the_guid()
+ *
+ * @param string $guid Escaped Global Unique Identifier (guid) of the post.
+ * @param int $id The post ID.
+ */
+ echo apply_filters( 'the_guid', $guid, $id );
}
/**
*
* @since 1.5.0
*
- * @param int $id Optional. Post ID.
+ * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post.
* @return string
*/
-function get_the_guid( $id = 0 ) {
- $post = &get_post($id);
+function get_the_guid( $post = 0 ) {
+ $post = get_post( $post );
+
+ $guid = isset( $post->guid ) ? $post->guid : '';
+ $id = isset( $post->ID ) ? $post->ID : 0;
- return apply_filters('get_the_guid', $post->guid);
+ /**
+ * Filters the Global Unique Identifier (guid) of the post.
+ *
+ * @since 1.5.0
+ *
+ * @param string $guid Global Unique Identifier (guid) of the post.
+ * @param int $id The post ID.
+ */
+ return apply_filters( 'get_the_guid', $guid, $id );
}
/**
* @since 0.71
*
* @param string $more_link_text Optional. Content for when there is more text.
- * @param bool $stripteaser Optional. Strip teaser content before the more text. Default is false.
+ * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false.
*/
-function the_content($more_link_text = null, $stripteaser = false) {
- $content = get_the_content($more_link_text, $stripteaser);
- $content = apply_filters('the_content', $content);
- $content = str_replace(']]>', ']]>', $content);
+function the_content( $more_link_text = null, $strip_teaser = false) {
+ $content = get_the_content( $more_link_text, $strip_teaser );
+
+ /**
+ * Filters 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;
}
*
* @since 0.71
*
+ * @global int $page Page number of a single post/page.
+ * @global int $more Boolean indicator for whether single post/page is being viewed.
+ * @global bool $preview Whether post/page is in preview mode.
+ * @global array $pages Array of all pages in post/page. Each array element contains part of the content separated by the <!--nextpage--> tag.
+ * @global int $multipage Boolean indicator for whether multiple pages are in play.
+ *
* @param string $more_link_text Optional. Content for when there is more text.
- * @param bool $stripteaser Optional. Strip teaser content before the more text. Default is false.
+ * @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, $stripteaser = false) {
- global $post, $more, $page, $pages, $multipage, $preview;
-
- if ( null === $more_link_text )
- $more_link_text = __( '(more...)' );
+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 ) {
+ $more_link_text = sprintf(
+ '<span aria-label="%1$s">%2$s</span>',
+ sprintf(
+ /* translators: %s: Name of current post */
+ __( 'Continue reading %s' ),
+ the_title_attribute( array( 'echo' => false ) )
+ ),
+ __( '(more…)' )
+ );
+ }
$output = '';
- $hasTeaser = false;
+ $has_teaser = false;
// If post password required and it doesn't match the cookie.
- if ( post_password_required($post) ) {
- $output = get_the_password_form();
- return $output;
- }
+ if ( post_password_required( $post ) )
+ return get_the_password_form( $post );
- 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] ) ) );
- $hasTeaser = true;
+ $has_teaser = true;
} else {
- $content = array($content);
+ $content = array( $content );
}
- if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
- $stripteaser = true;
+
+ if ( false !== strpos( $post->post_content, '<!--noteaser-->' ) && ( ! $multipage || $page == 1 ) )
+ $strip_teaser = true;
+
$teaser = $content[0];
- if ( $more && $stripteaser && $hasTeaser )
+
+ if ( $more && $strip_teaser && $has_teaser )
$teaser = '';
+
$output .= $teaser;
- if ( count($content) > 1 ) {
+
+ if ( count( $content ) > 1 ) {
if ( $more ) {
$output .= '<span id="more-' . $post->ID . '"></span>' . $content[1];
} else {
- if ( ! empty($more_link_text) )
+ if ( ! empty( $more_link_text ) )
+
+ /**
+ * Filters 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);
+ $output = force_balance_tags( $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);
+
+ 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
+ * Preview fix for JavaScript bug with foreign languages.
*
* @since 3.1.0
* @access private
- * @param array $match Match array from preg_replace_callback
- * @returns string
+ *
+ * @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
- * @uses apply_filters() Calls 'the_excerpt' hook on post excerpt.
*/
function the_excerpt() {
- echo apply_filters('the_excerpt', get_the_excerpt());
+
+ /**
+ * Filters the displayed post excerpt.
+ *
+ * @since 0.71
+ *
+ * @see get_the_excerpt()
+ *
+ * @param string $post_excerpt The post excerpt.
+ */
+ echo apply_filters( 'the_excerpt', get_the_excerpt() );
}
/**
- * Retrieve the post excerpt.
+ * Retrieves the post excerpt.
*
* @since 0.71
+ * @since 4.5.0 Introduced the `$post` parameter.
*
- * @param mixed $deprecated Not used.
- * @return string
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string Post excerpt.
*/
-function get_the_excerpt( $deprecated = '' ) {
- if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.3' );
+function get_the_excerpt( $post = null ) {
+ if ( is_bool( $post ) ) {
+ _deprecated_argument( __FUNCTION__, '2.3.0' );
+ }
- global $post;
- $output = $post->post_excerpt;
- if ( post_password_required($post) ) {
- $output = __('There is no excerpt because this is a protected post.');
- return $output;
+ $post = get_post( $post );
+ if ( empty( $post ) ) {
+ return '';
}
- return apply_filters('get_the_excerpt', $output);
+ if ( post_password_required( $post ) ) {
+ return __( 'There is no excerpt because this is a protected post.' );
+ }
+
+ /**
+ * Filters the retrieved post excerpt.
+ *
+ * @since 1.2.0
+ * @since 4.5.0 Introduced the `$post` parameter.
+ *
+ * @param string $post_excerpt The post excerpt.
+ * @param WP_Post $post Post object.
+ */
+ return apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
}
/**
*
* @since 2.3.0
*
- * @param int $id Optional. Post ID.
+ * @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 ) );
}
*
* @since 2.7.0
*
- * @param string|array $class One or more classes to add to the class list.
- * @param int $post_id An optional post ID.
+ * @param string|array $class One or more classes to add to the class list.
+ * @param int|WP_Post $post_id Optional. Post ID or post object. Defaults to the global `$post`.
*/
function post_class( $class = '', $post_id = null ) {
// Separates classes with a single space, collates classes for post DIV
}
/**
- * Retrieve the classes for the post div as an array.
+ * Retrieves the classes for the post div as an array.
+ *
+ * The class names are many. If the post is a sticky, then the 'sticky'
+ * class name. The class 'hentry' is always added to each post. If the post has a
+ * post thumbnail, 'has-post-thumbnail' is added as a class. For each taxonomy that
+ * the post belongs to, a class will be added of the format '{$taxonomy}-{$slug}' -
+ * eg 'category-foo' or 'my_custom_taxonomy-bar'.
*
- * The class names are add are many. If the post is a sticky, then the 'sticky'
- * class name. The class 'hentry' is always added to each post. For each
- * category, the class will be added with 'category-' with category slug is
- * added. The tags are the same way as the categories with 'tag-' before the tag
- * slug. 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.
+ * 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, {@see '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 $post_id An optional post ID.
+ * @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);
+ $post = get_post( $post_id );
$classes = array();
- if ( empty($post) )
+ if ( $class ) {
+ if ( ! is_array( $class ) ) {
+ $class = preg_split( '#\s+#', $class );
+ }
+ $classes = array_map( 'esc_attr', $class );
+ } else {
+ // Ensure that we always coerce class to being an array.
+ $class = array();
+ }
+
+ if ( ! $post ) {
return $classes;
+ }
$classes[] = 'post-' . $post->ID;
- $classes[] = $post->post_type;
+ if ( ! is_admin() )
+ $classes[] = $post->post_type;
$classes[] = 'type-' . $post->post_type;
$classes[] = 'status-' . $post->post_status;
$classes[] = 'format-standard';
}
- // post requires password
- if ( post_password_required($post->ID) )
+ $post_password_required = post_password_required( $post->ID );
+
+ // Post requires password.
+ if ( $post_password_required ) {
$classes[] = 'post-password-required';
+ } elseif ( ! empty( $post->post_password ) ) {
+ $classes[] = 'post-password-protected';
+ }
+
+ // Post thumbnails.
+ if ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) && ! is_attachment( $post ) && ! $post_password_required ) {
+ $classes[] = 'has-post-thumbnail';
+ }
// sticky for Sticky Posts
- if ( is_sticky($post->ID) && is_home() && !is_paged() )
- $classes[] = 'sticky';
+ if ( is_sticky( $post->ID ) ) {
+ if ( is_home() && ! is_paged() ) {
+ $classes[] = 'sticky';
+ } elseif ( is_admin() ) {
+ $classes[] = 'status-sticky';
+ }
+ }
// hentry for hAtom compliance
$classes[] = 'hentry';
- // Categories
- if ( is_object_in_taxonomy( $post->post_type, 'category' ) ) {
- foreach ( (array) get_the_category($post->ID) as $cat ) {
- if ( empty($cat->slug ) )
- continue;
- $classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->term_id);
- }
- }
+ // 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;
+ }
- // Tags
- if ( is_object_in_taxonomy( $post->post_type, 'post_tag' ) ) {
- foreach ( (array) get_the_tags($post->ID) as $tag ) {
- if ( empty($tag->slug ) )
- continue;
- $classes[] = 'tag-' . sanitize_html_class($tag->slug, $tag->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;
+ }
+
+ // '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 . '-' . $term->term_id );
+ }
+ }
}
}
- if ( !empty($class) ) {
- if ( !is_array( $class ) )
- $class = preg_split('#\s+#', $class);
- $classes = array_merge($classes, $class);
- }
+ $classes = array_map( 'esc_attr', $classes );
- $classes = array_map('esc_attr', $classes);
+ /**
+ * Filters the list of CSS classes for the current post.
+ *
+ * @since 2.7.0
+ *
+ * @param array $classes An array of post classes.
+ * @param array $class An array of additional classes added to the post.
+ * @param int $post_id The post ID.
+ */
+ $classes = apply_filters( 'post_class', $classes, $class, $post->ID );
- return apply_filters('post_class', $classes, $class, $post->ID);
+ return array_unique( $classes );
}
/**
*
* @since 2.8.0
*
+ * @global WP_Query $wp_query
+ *
* @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;
+ global $wp_query;
$classes = array();
$classes[] = 'archive';
if ( is_date() )
$classes[] = 'date';
- if ( is_search() )
+ if ( is_search() ) {
$classes[] = 'search';
+ $classes[] = $wp_query->posts ? 'search-results' : 'search-no-results';
+ }
if ( is_paged() )
$classes[] = 'paged';
if ( is_attachment() )
if ( is_404() )
$classes[] = 'error404';
- if ( is_single() ) {
+ if ( is_singular() ) {
$post_id = $wp_query->get_queried_object_id();
$post = $wp_query->get_queried_object();
+ $post_type = $post->post_type;
- $classes[] = 'single';
- $classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id);
- $classes[] = 'postid-' . $post_id;
+ if ( is_page_template() ) {
+ $classes[] = "{$post_type}-template";
- // Post Format
- if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
- $post_format = get_post_format( $post->ID );
+ $template_slug = get_page_template_slug( $post_id );
+ $template_parts = explode( '/', $template_slug );
- if ( $post_format && !is_wp_error($post_format) )
- $classes[] = 'single-format-' . sanitize_html_class( $post_format );
- else
- $classes[] = 'single-format-standard';
+ foreach ( $template_parts as $part ) {
+ $classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( array( '.', '/' ), '-', basename( $part, '.php' ) ) );
+ }
+ $classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( '.', '-', $template_slug ) );
+ } else {
+ $classes[] = "{$post_type}-template-default";
+ }
+
+ if ( is_single() ) {
+ $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_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
$classes[] = 'attachmentid-' . $post_id;
$classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type );
+ } 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;
+ }
}
} elseif ( is_archive() ) {
if ( is_post_type_archive() ) {
$classes[] = 'post-type-archive';
- $classes[] = 'post-type-archive-' . sanitize_html_class( get_query_var( 'post_type' ) );
- } else if ( is_author() ) {
+ $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';
- $classes[] = 'author-' . sanitize_html_class( $author->user_nicename , $author->ID );
- $classes[] = 'author-' . $author->ID;
+ 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';
- $classes[] = 'category-' . sanitize_html_class( $cat->slug, $cat->term_id );
- $classes[] = 'category-' . $cat->term_id;
+ 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() ) {
- $tags = $wp_query->get_queried_object();
+ $tag = $wp_query->get_queried_object();
$classes[] = 'tag';
- $classes[] = 'tag-' . sanitize_html_class( $tags->slug, $tags->term_id );
- $classes[] = 'tag-' . $tags->term_id;
+ 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();
- $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );
- $classes[] = 'term-' . sanitize_html_class( $term->slug, $term->term_id );
- $classes[] = 'term-' . $term->term_id;
- }
- } elseif ( is_page() ) {
- $classes[] = 'page';
-
- $page_id = $wp_query->get_queried_object_id();
-
- $post = get_page($page_id);
-
- $classes[] = 'page-id-' . $page_id;
-
- if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' AND post_status = 'publish' LIMIT 1", $page_id) ) )
- $classes[] = 'page-parent';
+ 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;
+ }
- if ( $post->post_parent ) {
- $classes[] = 'page-child';
- $classes[] = 'parent-pageid-' . $post->post_parent;
- }
- if ( is_page_template() ) {
- $classes[] = 'page-template';
- $classes[] = 'page-template-' . sanitize_html_class( str_replace( '.', '-', get_post_meta( $page_id, '_wp_page_template', true ) ), '' );
- } else {
- $classes[] = 'page-template-default';
+ $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );
+ $classes[] = 'term-' . $term_class;
+ $classes[] = 'term-' . $term->term_id;
+ }
}
- } elseif ( is_search() ) {
- if ( !empty( $wp_query->posts ) )
- $classes[] = 'search-results';
- else
- $classes[] = 'search-no-results';
}
if ( is_user_logged_in() )
$classes[] = 'logged-in';
- if ( is_admin_bar_showing() )
+ if ( is_admin_bar_showing() ) {
$classes[] = 'admin-bar';
+ $classes[] = 'no-customize-support';
+ }
- if ( get_background_image() || get_background_color() )
+ if ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() )
$classes[] = 'custom-background';
+ if ( has_custom_logo() ) {
+ $classes[] = 'wp-custom-logo';
+ }
+
$page = $wp_query->get( 'page' );
- if ( !$page || $page < 2)
+ if ( ! $page || $page < 2 )
$page = $wp_query->get( 'paged' );
- if ( $page && $page > 1 ) {
+ if ( $page && $page > 1 && ! is_404() ) {
$classes[] = 'paged-' . $page;
if ( is_single() )
$classes = array_map( 'esc_attr', $classes );
- return apply_filters( 'body_class', $classes, $class );
+ /**
+ * Filters 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 array $class An array of additional classes added to the body.
+ */
+ $classes = apply_filters( 'body_class', $classes, $class );
+
+ return array_unique( $classes );
}
/**
*
* @since 2.7.0
*
- * @param int|object $post An optional post. Global $post used if not provided.
+ * @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;
+ if ( empty( $post->post_password ) ) {
+ /** This filter is documented in wp-includes/post.php */
+ return apply_filters( 'post_password_required', false, $post );
+ }
- if ( stripslashes( $_COOKIE['wp-postpass_' . COOKIEHASH] ) != $post->post_password )
- return true;
+ if ( ! isset( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ) ) {
+ /** This filter is documented in wp-includes/post.php */
+ return apply_filters( 'post_password_required', true, $post );
+ }
- return false;
-}
+ $hasher = new PasswordHash( 8, true );
-/**
- * Display "sticky" CSS class, if a post is sticky.
- *
- * @since 2.7.0
- *
- * @param int $post_id An optional post ID.
- */
-function sticky_class( $post_id = null ) {
- if ( !is_sticky($post_id) )
- return;
+ $hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] );
+ if ( 0 !== strpos( $hash, '$P$B' ) ) {
+ $required = true;
+ } else {
+ $required = ! $hasher->CheckPassword( $post->post_password, $hash );
+ }
- echo " sticky";
+ /**
+ * Filters whether a post requires the user to supply a password.
+ *
+ * @since 4.7.0
+ *
+ * @param bool $required Whether the user needs to supply a password. True if password has not been
+ * provided or is incorrect, false if password has been supplied or is not required.
+ * @param WP_Post $post Post data.
+ */
+ return apply_filters( 'post_password_required', $required, $post );
}
-/**
- * Page Template Functions for usage in Themes
- *
- * @package WordPress
- * @subpackage Template
- */
+//
+// 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.
*
- * The defaults for overwriting are:
- * 'next_or_number' - Default is 'number' (string). Indicates whether page
- * numbers should be used. Valid values are number and next.
- * 'nextpagelink' - Default is 'Next Page' (string). Text for link to next page.
- * of the bookmark.
- * 'previouspagelink' - Default is 'Previous Page' (string). Text for link to
- * previous page, if available.
- * 'pagelink' - Default is '%' (String).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.
- * 'before' - Default is '<p> Pages:' (string). The html or text to prepend to
- * each bookmarks.
- * 'after' - Default is '</p>' (string). The html or text to append to each
- * bookmarks.
- * 'link_before' - Default is '' (string). The html or text to prepend to each
- * Pages link inside the <a> tag. Also prepended to the current item, which
- * is not linked.
- * 'link_after' - Default is '' (string). The html or text to append to each
- * Pages link inside the <a> tag. Also appended to the current item, which
- * is not linked.
- *
* @since 1.2.0
- * @access private
*
- * @param string|array $args Optional. Overwrite the defaults.
+ * @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 = '') {
+function wp_link_pages( $args = '' ) {
+ global $page, $numpages, $multipage, $more;
+
$defaults = array(
- 'before' => '<p>' . __('Pages:'), 'after' => '</p>',
- 'link_before' => '', 'link_after' => '',
- 'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
- 'previouspagelink' => __('Previous page'), 'pagelink' => '%',
- '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 );
- $r = apply_filters( 'wp_link_pages_args', $r );
- extract( $r, EXTR_SKIP );
+ $params = wp_parse_args( $args, $defaults );
- global $page, $numpages, $multipage, $more, $pagenow;
+ /**
+ * Filters 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)) ) {
- $output .= _wp_link_page($i);
+ 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 .= $link_before . $j . $link_after;
- if ( ($i != $page) || ((!$more) && ($page==1)) )
- $output .= '</a>';
+ /**
+ * Filters 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 ) {
- $output .= _wp_link_page($i);
- $output .= $link_before. $previouspagelink . $link_after . '</a>';
- }
- $i = $page + 1;
- if ( $i <= $numpages && $more ) {
- $output .= _wp_link_page($i);
- $output .= $link_before. $nextpagelink . $link_after . '</a>';
+ $output .= $r['after'];
+ } elseif ( $more ) {
+ $output .= $r['before'];
+ $prev = $page - 1;
+ if ( $prev > 0 ) {
+ $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;
+ /**
+ * Filters 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 );
- return $output;
+ if ( $r['echo'] ) {
+ echo $html;
+ }
+ return $html;
}
/**
* @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 $post, $wp_rewrite;
+ global $wp_rewrite;
+ $post = get_post();
+ $query_args = array();
if ( 1 == $i ) {
$url = get_permalink();
$url = trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged');
}
+ if ( is_preview() ) {
+
+ if ( ( 'draft' !== $post->post_status ) && isset( $_GET['preview_id'], $_GET['preview_nonce'] ) ) {
+ $query_args['preview_id'] = wp_unslash( $_GET['preview_id'] );
+ $query_args['preview_nonce'] = wp_unslash( $_GET['preview_nonce'] );
+ }
+
+ $url = get_preview_post_link( $post, $query_args, $url );
+ }
+
return '<a href="' . esc_url( $url ) . '">';
}
* @since 1.5.0
*
* @param string $key Meta data key name.
- * @return bool|string|array Array of values or single value, if only one element exists. False will be returned if key does not exist.
+ * @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();
/**
* Display list of post custom fields.
*
- * @internal This will probably change at some point...
* @since 1.2.0
- * @uses apply_filters() Calls 'the_meta_key' on list item HTML content, with key and value as separate parameters.
+ *
+ * @internal This will probably change at some point...
+ *
*/
function the_meta() {
if ( $keys = get_post_custom_keys() ) {
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);
+
+ /**
+ * Filters 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";
}
* Retrieve or display list of pages as a dropdown (select list).
*
* @since 2.1.0
- *
- * @param array|string $args Optional. Override default arguments.
+ * @since 4.2.0 The `$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 = '') {
+function wp_dropdown_pages( $args = '' ) {
$defaults = array(
'depth' => 0, 'child_of' => 0,
'selected' => 0, 'echo' => 1,
'name' => 'page_id', 'id' => '',
+ 'class' => '',
'show_option_none' => '', 'show_option_no_change' => '',
- 'option_none_value' => ''
+ '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 = '';
// Back-compat with old system where both id and name were based on $name argument
- if ( empty($id) )
- $id = $name;
-
- if ( ! empty($pages) ) {
- $output = "<select name='" . esc_attr( $name ) . "' id='" . esc_attr( $id ) . "'>\n";
- if ( $show_option_no_change )
- $output .= "\t<option value=\"-1\">$show_option_no_change</option>";
- if ( $show_option_none )
- $output .= "\t<option value=\"" . esc_attr($option_none_value) . "\">$show_option_none</option>\n";
- $output .= walk_page_dropdown_tree($pages, $depth, $r);
- $output .= "</select>\n";
+ 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 $output;
+ /**
+ * Filters the HTML output of a list of pages as a drop down.
+ *
+ * @since 2.1.0
+ * @since 4.4.0 `$r` and `$pages` added as arguments.
+ *
+ * @param string $output HTML output for drop down list of pages.
+ * @param array $r The parsed arguments array.
+ * @param array $pages List of WP_Post objects returned by `get_pages()`
+ */
+ $html = apply_filters( 'wp_dropdown_pages', $output, $r, $pages );
+
+ if ( $r['echo'] ) {
+ echo $html;
+ }
+ return $html;
}
/**
* Retrieve or display list of pages in list (li) format.
*
* @since 1.5.0
- *
- * @param array|string $args Optional. Override default arguments.
- * @return string HTML content, if not displaying.
+ * @since 4.7.0 Added the `item_spacing` argument.
+ *
+ * @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|array $post_status Comma-separated list or array 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 string $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'.
+ * Default 'preserve'.
+ * @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 = '') {
+function wp_list_pages( $args = '' ) {
$defaults = array(
- 'depth' => 0, 'show_date' => '',
- 'date_format' => get_option('date_format'),
- 'child_of' => 0, 'exclude' => '',
- 'title_li' => __('Pages'), 'echo' => 1,
- 'authors' => '', 'sort_column' => 'menu_order, post_title',
- 'link_before' => '', 'link_after' => '', 'walker' => '',
+ 'depth' => 0,
+ 'show_date' => '',
+ 'date_format' => get_option( 'date_format' ),
+ 'child_of' => 0,
+ 'exclude' => '',
+ 'title_li' => __( 'Pages' ),
+ 'echo' => 1,
+ 'authors' => '',
+ 'sort_column' => 'menu_order, post_title',
+ 'link_before' => '',
+ 'link_after' => '',
+ 'item_spacing' => 'preserve',
+ 'walker' => '',
);
$r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
+
+ if ( ! in_array( $r['item_spacing'], array( 'preserve', 'discard' ), true ) ) {
+ // invalid value, fall back to default.
+ $r['item_spacing'] = $defaults['item_spacing'];
+ }
$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();
- $r['exclude'] = implode( ',', apply_filters('wp_list_pages_excludes', $exclude_array) );
+ $exclude_array = ( $r['exclude'] ) ? explode( ',', $r['exclude'] ) : array();
+
+ /**
+ * Filters 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.
$r['hierarchical'] = 0;
- $pages = get_pages($r);
+ $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() || is_attachment() || $wp_query->is_posts_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;
+ }
+ }
+
+ $output .= walk_page_tree( $pages, $r['depth'], $current_page, $r );
- if ( $r['title_li'] )
+ if ( $r['title_li'] ) {
$output .= '</ul></li>';
+ }
}
- $output = apply_filters('wp_list_pages', $output, $r);
+ /**
+ * Filters the HTML output of the pages to list.
+ *
+ * @since 1.5.1
+ * @since 4.4.0 `$pages` added as arguments.
+ *
+ * @see wp_list_pages()
+ *
+ * @param string $output HTML output of the pages list.
+ * @param array $r An array of page-listing arguments.
+ * @param array $pages List of WP_Post objects returned by `get_pages()`
+ */
+ $html = apply_filters( 'wp_list_pages', $output, $r, $pages );
- if ( $r['echo'] )
- echo $output;
- else
- return $output;
+ if ( $r['echo'] ) {
+ echo $html;
+ } else {
+ return $html;
+ }
}
/**
- * 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.
- *
- * <ul>
- * <li><strong>sort_column</strong> - How to sort the list of pages. Defaults
- * to page title. Use column for posts table.</li>
- * <li><strong>menu_class</strong> - Class to use for the div ID which contains
- * the page list. Defaults to 'menu'.</li>
- * <li><strong>echo</strong> - Whether to echo list or return it. Defaults to
- * echo.</li>
- * <li><strong>link_before</strong> - Text before show_home argument text.</li>
- * <li><strong>link_after</strong> - Text after show_home argument text.</li>
- * <li><strong>show_home</strong> - If you set this argument, then it will
- * display the link to the home page. The show_home argument really just needs
- * to be set to the value of the text of the link.</li>
- * </ul>
+ * Displays or retrieves a list of pages with an optional home link.
*
- * @since 2.7.0
+ * The arguments are listed below and part of the arguments are for wp_list_pages()} function.
+ * Check that function for more info on those arguments.
*
- * @param array|string $args
+ * @since 2.7.0
+ * @since 4.4.0 Added `menu_id`, `container`, `before`, `after`, and `walker` arguments.
+ * @since 4.7.0 Added the `item_spacing` argument.
+ *
+ * @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_id ID for the div containing the page list. Default is empty string.
+ * @type string $menu_class Class to use for the element containing the page list. Default 'menu'.
+ * @type string $container Element to use for the element containing the page list. Default 'div'.
+ * @type bool $echo Whether to echo the list or return it. Accepts true (echo) or false (return).
+ * Default true.
+ * @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'.
+ * @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 string $before The HTML or text to prepend to the menu. Default is '<ul>'.
+ * @type string $after The HTML or text to append to the menu. Default is '</ul>'.
+ * @type string $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'discard'.
+ * @type Walker $walker Walker instance to use for listing pages. Default empty (Walker_Page).
+ * }
+ * @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' => '');
+ $defaults = array(
+ 'sort_column' => 'menu_order, post_title',
+ 'menu_id' => '',
+ 'menu_class' => 'menu',
+ 'container' => 'div',
+ 'echo' => true,
+ 'link_before' => '',
+ 'link_after' => '',
+ 'before' => '<ul>',
+ 'after' => '</ul>',
+ 'item_spacing' => 'discard',
+ 'walker' => '',
+ );
$args = wp_parse_args( $args, $defaults );
+
+ if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ) ) ) {
+ // invalid value, fall back to default.
+ $args['item_spacing'] = $defaults['item_spacing'];
+ }
+
+ if ( 'preserve' === $args['item_spacing'] ) {
+ $t = "\t";
+ $n = "\n";
+ } else {
+ $t = '';
+ $n = '';
+ }
+
+ /**
+ * Filters 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 = '';
$class = '';
if ( is_front_page() && !is_paged() )
$class = 'class="current_page_item"';
- $menu .= '<li ' . $class . '><a href="' . home_url( '/' ) . '" title="' . esc_attr($text) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
+ $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['echo'] = false;
$list_args['title_li'] = '';
- $menu .= str_replace( array( "\r", "\n", "\t" ), '', wp_list_pages($list_args) );
+ $menu .= wp_list_pages( $list_args );
+
+ $container = sanitize_text_field( $args['container'] );
+
+ // Fallback in case `wp_nav_menu()` was called without a container.
+ if ( empty( $container ) ) {
+ $container = 'div';
+ }
+
+ if ( $menu ) {
+
+ // wp_nav_menu doesn't set before and after
+ if ( isset( $args['fallback_cb'] ) &&
+ 'wp_page_menu' === $args['fallback_cb'] &&
+ 'ul' !== $container ) {
+ $args['before'] = "<ul>{$n}";
+ $args['after'] = '</ul>';
+ }
- if ( $menu )
- $menu = '<ul>' . $menu . '</ul>';
+ $menu = $args['before'] . $menu . $args['after'];
+ }
+
+ $attrs = '';
+ if ( ! empty( $args['menu_id'] ) ) {
+ $attrs .= ' id="' . esc_attr( $args['menu_id'] ) . '"';
+ }
- $menu = '<div class="' . esc_attr($args['menu_class']) . '">' . $menu . "</div>\n";
+ if ( ! empty( $args['menu_class'] ) ) {
+ $attrs .= ' class="' . esc_attr( $args['menu_class'] ) . '"';
+ }
+
+ $menu = "<{$container}{$attrs}>" . $menu . "</{$container}>{$n}";
+
+ /**
+ * Filters 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;
*
* @uses Walker_Page to create HTML list content.
* @since 2.1.0
- * @see Walker_Page::walk() for parameters and return description.
+ *
+ * @param array $pages
+ * @param int $depth
+ * @param int $current_page
+ * @param array $r
+ * @return string
*/
-function walk_page_tree($pages, $depth, $current_page, $r) {
+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'), $args);
+ return call_user_func_array(array($walker, 'walk'), $args);
}
/**
* @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() {
$args = func_get_args();
else
$walker = $args[2]['walker'];
- return call_user_func_array(array(&$walker, 'walk'), $args);
-}
-
-/**
- * Create HTML list of pages.
- *
- * @package WordPress
- * @since 2.1.0
- * @uses Walker
- */
-class Walker_Page extends Walker {
- /**
- * @see Walker::$tree_type
- * @since 2.1.0
- * @var string
- */
- var $tree_type = 'page';
-
- /**
- * @see Walker::$db_fields
- * @since 2.1.0
- * @todo Decouple this.
- * @var array
- */
- var $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 $depth Depth of page. Used for padding.
- */
- function start_lvl(&$output, $depth) {
- $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 $depth Depth of page. Used for padding.
- */
- function end_lvl(&$output, $depth) {
- $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 $args
- */
- function start_el(&$output, $page, $depth, $args, $current_page) {
- if ( $depth )
- $indent = str_repeat("\t", $depth);
- else
- $indent = '';
-
- extract($args, EXTR_SKIP);
- $css_class = array('page_item', 'page-item-'.$page->ID);
- if ( !empty($current_page) ) {
- $_current_page = get_page( $current_page );
- _get_post_ancestors($_current_page);
- if ( isset($_current_page->ancestors) && in_array($page->ID, (array) $_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';
- }
-
- $css_class = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
-
- $output .= $indent . '<li class="' . $css_class . '"><a href="' . get_permalink($page->ID) . '">' . $link_before . apply_filters( 'the_title', $page->post_title, $page->ID ) . $link_after . '</a>';
-
- if ( !empty($show_date) ) {
- if ( 'modified' == $show_date )
- $time = $page->post_modified;
- else
- $time = $page->post_date;
-
- $output .= " " . mysql2date($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 $depth Depth of page. Not Used.
- */
- function end_el(&$output, $page, $depth) {
- $output .= "</li>\n";
- }
-
-}
-
-/**
- * Create HTML dropdown list of pages.
- *
- * @package WordPress
- * @since 2.1.0
- * @uses Walker
- */
-class Walker_PageDropdown extends Walker {
- /**
- * @see Walker::$tree_type
- * @since 2.1.0
- * @var string
- */
- var $tree_type = 'page';
-
- /**
- * @see Walker::$db_fields
- * @since 2.1.0
- * @todo Decouple this
- * @var array
- */
- var $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 $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
- */
- function start_el(&$output, $page, $depth, $args) {
- $pad = str_repeat(' ', $depth * 3);
-
- $output .= "\t<option class=\"level-$depth\" value=\"$page->ID\"";
- if ( $page->ID == $args['selected'] )
- $output .= ' selected="selected"';
- $output .= '>';
- $title = apply_filters( 'list_pages', $page->post_title, $page );
- $output .= $pad . esc_html( $title );
- $output .= "</option>\n";
- }
+ return call_user_func_array(array($walker, 'walk'), $args);
}
//
*
* @since 2.0.0
*
- * @param int $id Optional. Post ID.
- * @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.
+ * @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' );
+ _deprecated_argument( __FUNCTION__, '2.5.0' );
if ( $fullsize )
echo wp_get_attachment_link($id, 'full', $permalink);
* Retrieve an attachment page link using an image or icon, if possible.
*
* @since 2.5.0
- * @uses apply_filters() Calls 'wp_get_attachment_link' filter on HTML content with same parameters as function.
- *
- * @param int $id Optional. Post ID.
- * @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 $text Optional, default is false. If string, then will be link text.
+ * @since 4.4.0 The `$id` parameter can now accept either a post ID or `WP_Post` object.
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ * @param string|array $size Optional. Image size. Accepts any valid image size, or an array
+ * of width and height values in pixels (in that order).
+ * Default 'thumbnail'.
+ * @param bool $permalink Optional, Whether to add permalink to image. Default false.
+ * @param bool $icon Optional. Whether the attachment is an icon. Default false.
+ * @param string|false $text Optional. Link text to use. Activated by passing a string, false otherwise.
+ * Default false.
+ * @param array|string $attr Optional. Array or string of attributes. Default empty.
* @return string HTML content.
*/
-function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false ) {
- $id = intval( $id );
- $_post = & get_post( $id );
+function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false, $attr = '' ) {
+ $_post = get_post( $id );
- if ( empty( $_post ) || ( 'attachment' != $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) )
+ if ( empty( $_post ) || ( 'attachment' !== $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) ) {
return __( 'Missing Attachment' );
+ }
- if ( $permalink )
+ if ( $permalink ) {
$url = get_attachment_link( $_post->ID );
+ }
- $post_title = esc_attr( $_post->post_title );
-
- if ( $text )
- $link_text = esc_attr( $text );
- elseif ( $size && 'none' != $size )
- $link_text = wp_get_attachment_image( $id, $size, $icon );
- else
+ if ( $text ) {
+ $link_text = $text;
+ } elseif ( $size && 'none' != $size ) {
+ $link_text = wp_get_attachment_image( $_post->ID, $size, $icon, $attr );
+ } else {
$link_text = '';
+ }
- if ( trim( $link_text ) == '' )
+ if ( '' === trim( $link_text ) ) {
$link_text = $_post->post_title;
+ }
- return apply_filters( 'wp_get_attachment_link', "<a href='$url' title='$post_title'>$link_text</a>", $id, $size, $permalink, $icon, $text );
+ if ( '' === trim( $link_text ) ) {
+ $link_text = esc_html( pathinfo( get_attached_file( $_post->ID ), PATHINFO_FILENAME ) );
+ }
+ /**
+ * Filters 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|array $size Size of the image. Image size or array of width and height values (in that order).
+ * 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='" . esc_url( $url ) . "'>$link_text</a>", $id, $size, $permalink, $icon, $text );
}
/**
- * Wrap attachment in <<p>> element before content.
+ * Wrap attachment in paragraph tag before content.
*
* @since 2.0.0
- * @uses apply_filters() Calls 'prepend_attachment' hook on HTML content.
*
* @param string $content
* @return string
*/
function prepend_attachment($content) {
- global $post;
+ $post = get_post();
if ( empty($post->post_type) || $post->post_type != 'attachment' )
return $content;
- $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>';
- $p = apply_filters('prepend_attachment', $p);
+ 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>';
+ }
+
+ /**
+ * Filters 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', $p );
return "$p\n$content";
}
* Retrieve protected post password form content.
*
* @since 1.0.0
- * @uses apply_filters() Calls 'the_password_form' filter on output.
*
+ * @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() {
- global $post;
- $label = 'pwbox-'.(empty($post->ID) ? rand() : $post->ID);
- $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 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>
+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_x( 'Enter', 'post password form' ) . '" /></p></form>
';
- return apply_filters('the_password_form', $output);
+
+ /**
+ * Filters 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 );
}
/**
* 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 and then the check will be
- * specific to that 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
- * @uses $wp_query
+ * @since 4.2.0 The `$template` parameter was changed to also accept an array of page templates.
+ * @since 4.7.0 Now works with any post type, not just pages.
*
- * @param string $template The specific template name if specific matching is required.
- * @return bool False on failure, true if success.
+ * @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()) {
+function is_page_template( $template = '' ) {
+ if ( ! is_singular() ) {
return false;
}
- global $wp_query;
+ $page_template = get_page_template_slug( get_queried_object_id() );
+
+ if ( empty( $template ) )
+ return (bool) $page_template;
- $page = $wp_query->get_queried_object();
- $custom_fields = get_post_custom_values('_wp_page_template',$page->ID);
- $page_template = $custom_fields[0];
+ if ( $template == $page_template )
+ return true;
- // We have no argument passed so just see if a page_template has been specified
- if ( empty( $template ) ) {
- if ( !empty( $page_template ) and ( 'default' != $page_template ) ) {
+ if ( is_array( $template ) ) {
+ if ( ( in_array( 'default', $template, true ) && ! $page_template )
+ || in_array( $page_template, $template, true )
+ ) {
return true;
}
- } elseif ( $template == $page_template) {
- return true;
}
- return false;
+ return ( 'default' === $template && ! $page_template );
+}
+
+/**
+ * Get the specific template name for a given post.
+ *
+ * @since 3.4.0
+ * @since 4.7.0 Now works with any post type, not just pages.
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string|false Page template filename. Returns an empty string when the default page template
+ * is in use. Returns false if the post does not exist.
+ */
+function get_page_template_slug( $post = null ) {
+ $post = get_post( $post );
+
+ if ( ! $post ) {
+ return false;
+ }
+
+ $template = get_post_meta( $post->ID, '_wp_page_template', true );
+
+ if ( ! $template || 'default' == $template ) {
+ return '';
+ }
+
+ return $template;
}
/**
* Retrieve formatted date timestamp of a revision (linked to that revisions's page).
*
- * @package WordPress
- * @subpackage Post_Revisions
* @since 2.6.0
*
- * @uses date_i18n()
- *
* @param int|object $revision Revision ID or revision object.
- * @param bool $link Optional, default is true. Link to revisions's page?
- * @return string i18n formatted datetimestamp or localized 'Current Revision'.
+ * @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 ) )
if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
return false;
- /* translators: revision date format, see http://php.net/date */
- $datef = _x( 'j F, Y @ G:i', 'revision date format');
- /* translators: 1: date */
- $autosavef = __( '%1$s [Autosave]' );
- /* translators: 1: date */
- $currentf = __( '%1$s [Current Revision]' );
+ /* translators: revision date format, see https://secure.php.net/date */
+ $datef = _x( 'F j, Y @ H:i:s', 'revision date format' );
+ /* translators: %s: revision date */
+ $autosavef = __( '%s [Autosave]' );
+ /* translators: %s: revision date */
+ $currentf = __( '%s [Current Revision]' );
$date = date_i18n( $datef, strtotime( $revision->post_modified ) );
if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
return $date;
}
+/**
+ * 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;
+
+ $author = get_the_author_meta( 'display_name', $revision->post_author );
+ /* translators: revision date format, see https://secure.php.net/date */
+ $datef = _x( 'F j, Y @ H:i:s', 'revision date format' );
+
+ $gravatar = get_avatar( $revision->post_author, 24 );
+
+ $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>";
+
+ $revision_date_author = sprintf(
+ /* translators: post revision title: 1: author avatar, 2: author name, 3: time ago, 4: date */
+ __( '%1$s %2$s, %3$s ago (%4$s)' ),
+ $gravatar,
+ $author,
+ human_time_diff( strtotime( $revision->post_modified ), current_time( 'timestamp' ) ),
+ $date
+ );
+
+ /* translators: %s: revision date with author avatar */
+ $autosavef = __( '%s [Autosave]' );
+ /* translators: %s: revision date with author avatar */
+ $currentf = __( '%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 );
+
+ /**
+ * Filters the formatted author and date for a revision.
+ *
+ * @since 4.4.0
+ *
+ * @param string $revision_date_author The formatted string.
+ * @param WP_Post $revision The revision object.
+ * @param bool $link Whether to link to the revisions page, as passed into
+ * wp_post_revision_title_expanded().
+ */
+ return apply_filters( 'wp_post_revision_title_expanded', $revision_date_author, $revision, $link );
+}
+
/**
* 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.
*
- * Second argument controls parameters:
- * (bool) parent : include the parent (the "Current Revision") in the list.
- * (string) format : 'list' or 'form-table'. 'list' outputs UL, 'form-table'
- * outputs TABLE with UI.
- * (int) right : what revision is currently being viewed - used in
- * form-table format.
- * (int) left : what revision is currently being diffed against right -
- * used in form-table format.
- *
- * @package WordPress
- * @subpackage Post_Revisions
* @since 2.6.0
*
- * @uses wp_get_post_revisions()
- * @uses wp_post_revision_title()
- * @uses get_edit_post_link()
- * @uses get_the_author_meta()
- *
- * @todo split into two functions (list, form-table) ?
- *
- * @param int|object $post_id Post ID or post object.
- * @param string|array $args See description {@link wp_parse_args()}.
- * @return null
+ * @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, $args = null ) {
- if ( !$post = get_post( $post_id ) )
+function wp_list_post_revisions( $post_id = 0, $type = 'all' ) {
+ if ( ! $post = get_post( $post_id ) )
return;
- $defaults = array( 'parent' => false, 'right' => false, 'left' => false, 'format' => 'list', 'type' => 'all' );
- extract( wp_parse_args( $args, $defaults ), EXTR_SKIP );
-
- switch ( $type ) {
- case 'autosave' :
- if ( !$autosave = wp_get_post_autosave( $post->ID ) )
- return;
- $revisions = array( $autosave );
- break;
- case 'revision' : // just revisions - remove autosave later
- case 'all' :
- default :
- if ( !$revisions = wp_get_post_revisions( $post->ID ) )
- return;
- break;
+ // $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__, '3.6.0' );
}
- /* translators: post revision: 1: when, 2: author name */
- $titlef = _x( '%1$s by %2$s', 'post revision' );
-
- if ( $parent )
- array_unshift( $revisions, $post );
+ if ( ! $revisions = wp_get_post_revisions( $post->ID ) )
+ return;
- $rows = $right_checked = '';
- $class = false;
- $can_edit_post = current_user_can( 'edit_post', $post->ID );
+ $rows = '';
foreach ( $revisions as $revision ) {
- if ( !current_user_can( 'read_post', $revision->ID ) )
+ if ( ! current_user_can( 'read_post', $revision->ID ) )
continue;
- if ( 'revision' === $type && wp_is_post_autosave( $revision ) )
+
+ $is_autosave = wp_is_post_autosave( $revision );
+ if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) )
continue;
- $date = wp_post_revision_title( $revision );
- $name = get_the_author_meta( 'display_name', $revision->post_author );
-
- if ( 'form-table' == $format ) {
- if ( $left )
- $left_checked = $left == $revision->ID ? ' checked="checked"' : '';
- else
- $left_checked = $right_checked ? ' checked="checked"' : ''; // [sic] (the next one)
- $right_checked = $right == $revision->ID ? ' checked="checked"' : '';
-
- $class = $class ? '' : " class='alternate'";
-
- if ( $post->ID != $revision->ID && $can_edit_post )
- $actions = '<a href="' . wp_nonce_url( add_query_arg( array( 'revision' => $revision->ID, 'action' => 'restore' ) ), "restore-post_$post->ID|$revision->ID" ) . '">' . __( 'Restore' ) . '</a>';
- else
- $actions = '';
-
- $rows .= "<tr$class>\n";
- $rows .= "\t<th style='white-space: nowrap' scope='row'><input type='radio' name='left' value='$revision->ID'$left_checked /></th>\n";
- $rows .= "\t<th style='white-space: nowrap' scope='row'><input type='radio' name='right' value='$revision->ID'$right_checked /></th>\n";
- $rows .= "\t<td>$date</td>\n";
- $rows .= "\t<td>$name</td>\n";
- $rows .= "\t<td class='action-links'>$actions</td>\n";
- $rows .= "</tr>\n";
- } else {
- $title = sprintf( $titlef, $date, $name );
- $rows .= "\t<li>$title</li>\n";
- }
+ $rows .= "\t<li>" . wp_post_revision_title_expanded( $revision ) . "</li>\n";
}
- if ( 'form-table' == $format ) : ?>
-
-<form action="revision.php" method="get">
-
-<div class="tablenav">
- <div class="alignleft">
- <input type="submit" class="button-secondary" value="<?php esc_attr_e( 'Compare Revisions' ); ?>" />
- <input type="hidden" name="action" value="diff" />
- <input type="hidden" name="post_type" value="<?php echo esc_attr($post->post_type); ?>" />
- </div>
-</div>
-
-<br class="clear" />
-
-<table class="widefat post-revisions" cellspacing="0" id="post-revisions">
- <col />
- <col />
- <col style="width: 33%" />
- <col style="width: 33%" />
- <col style="width: 33%" />
-<thead>
-<tr>
- <th scope="col"><?php /* translators: column name in revisons */ _ex( 'Old', 'revisions column name' ); ?></th>
- <th scope="col"><?php /* translators: column name in revisons */ _ex( 'New', 'revisions column name' ); ?></th>
- <th scope="col"><?php /* translators: column name in revisons */ _ex( 'Date Created', 'revisions column name' ); ?></th>
- <th scope="col"><?php _e( 'Author' ); ?></th>
- <th scope="col" class="action-links"><?php _e( 'Actions' ); ?></th>
-</tr>
-</thead>
-<tbody>
-
-<?php echo $rows; ?>
-
-</tbody>
-</table>
-
-</form>
-
-<?php
- else :
- echo "<ul class='post-revisions'>\n";
- echo $rows;
- echo "</ul>";
- endif;
+ 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>";
}