<?php
+/**
+ * WordPress Post Template Functions.
+ *
+ * Gets content for the current post in the loop.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
-//
-// "The Loop" post functions
-//
-
+/**
+ * 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
+ * @uses $post
+ *
+ * @return int
+ */
function get_the_ID() {
- global $id;
- return $id;
+ global $post;
+ return $post->ID;
}
-
+/**
+ * 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 null|string Null on no title. String if $echo parameter is false.
+ */
function the_title($before = '', $after = '', $echo = true) {
$title = get_the_title();
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 Optional. Override the defaults.
+ * @return string|null Null on failure or display. String when echo is false.
+ */
function the_title_attribute( $args = '' ) {
$title = get_the_title();
$title = $before . $title . $after;
- $title = attribute_escape(strip_tags($title));
+ $title = esc_attr(strip_tags($title));
if ( $echo )
echo $title;
return $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 $id Optional. Post ID.
+ * @return string
+ */
function get_the_title( $id = 0 ) {
$post = &get_post($id);
- $title = $post->post_title;
+ $title = isset($post->post_title) ? $post->post_title : '';
+ $id = isset($post->ID) ? $post->ID : (int) $id;
if ( !is_admin() ) {
- if ( !empty($post->post_password) )
- $title = sprintf(__('Protected: %s'), $title);
- else if ( isset($post->post_status) && 'private' == $post->post_status )
- $title = sprintf(__('Private: %s'), $title);
+ if ( !empty($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);
+ }
}
- return apply_filters( 'the_title', $title );
+ 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 $id Optional. Post ID.
+ */
function the_guid( $id = 0 ) {
- echo get_the_guid($id);
+ echo esc_url( 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 $id Optional. Post ID.
+ * @return string
+ */
function get_the_guid( $id = 0 ) {
$post = &get_post($id);
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);
+/**
+ * Display the post content.
+ *
+ * @since 0.71
+ *
+ * @param string $more_link_text Optional. Content for when there is more text.
+ * @param string $stripteaser Optional. Teaser content before the more text.
+ */
+function the_content($more_link_text = null, $stripteaser = 0) {
+ $content = get_the_content($more_link_text, $stripteaser);
$content = apply_filters('the_content', $content);
$content = str_replace(']]>', ']]>', $content);
echo $content;
}
+/**
+ * Retrieve the post content.
+ *
+ * @since 0.71
+ *
+ * @param string $more_link_text Optional. Content for when there is more text.
+ * @param string $stripteaser Optional. Teaser content before the more text.
+ * @return string
+ */
+function get_the_content($more_link_text = null, $stripteaser = 0) {
+ global $post, $more, $page, $pages, $multipage, $preview;
-function get_the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
- global $id, $post, $more, $page, $pages, $multipage, $preview, $pagenow;
+ if ( null === $more_link_text )
+ $more_link_text = __( '(more...)' );
$output = '';
+ $hasTeaser = false;
- if ( !empty($post->post_password) ) { // if there's a password
- if ( !isset($_COOKIE['wp-postpass_'.COOKIEHASH]) || stripslashes($_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) ) {
+ $output = get_the_password_form();
+ return $output;
}
- 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
$content = explode($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;
} else {
$content = array($content);
}
if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
$stripteaser = 1;
$teaser = $content[0];
- if ( ($more) && ($stripteaser) )
+ if ( ($more) && ($stripteaser) && ($hasTeaser) )
$teaser = '';
$output .= $teaser;
if ( count($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>";
+ $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$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);
+ $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
+ * @returns 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());
}
+/**
+ * Retrieve the post excerpt.
+ *
+ * @since 0.71
+ *
+ * @param mixed $deprecated Not used.
+ * @return string
+ */
+function get_the_excerpt( $deprecated = '' ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.3' );
-function get_the_excerpt($deprecated = '') {
global $post;
- $output = '';
$output = $post->post_excerpt;
- if ( !empty($post->post_password) ) { // if there's a password
- if ( !isset($_COOKIE['wp-postpass_'.COOKIEHASH]) || $_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 $output;
- }
+ if ( post_password_required($post) ) {
+ $output = __('There is no excerpt because this is a protected post.');
+ return $output;
}
return apply_filters('get_the_excerpt', $output);
}
+/**
+ * Whether post has excerpt.
+ *
+ * @since 2.3.0
+ *
+ * @param int $id Optional. Post ID.
+ * @return bool
+ */
function has_excerpt( $id = 0 ) {
$post = &get_post( $id );
return ( !empty( $post->post_excerpt ) );
}
+/**
+ * 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 $post_id An optional post ID.
+ */
+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 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.
+ *
+ * @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.
+ * @return array Array of classes.
+ */
+function get_post_class( $class = '', $post_id = null ) {
+ $post = get_post($post_id);
+
+ $classes = array();
+
+ if ( empty($post) )
+ return $classes;
+
+ $classes[] = 'post-' . $post->ID;
+ $classes[] = $post->post_type;
+ $classes[] = 'type-' . $post->post_type;
+ $classes[] = 'status-' . $post->post_status;
+
+ // Post Format
+ $post_format = get_post_format( $post->ID );
+
+ if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+ 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) )
+ $classes[] = 'post-password-required';
+
+ // sticky for Sticky Posts
+ if ( is_sticky($post->ID) && is_home() && !is_paged() )
+ $classes[] = '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);
+ }
+ }
+
+ // 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, $tag->term_id);
+ }
+ }
+
+ if ( !empty($class) ) {
+ if ( !is_array( $class ) )
+ $class = preg_split('#\s+#', $class);
+ $classes = array_merge($classes, $class);
+ }
+
+ $classes = array_map('esc_attr', $classes);
+
+ return apply_filters('post_class', $classes, $class, $post->ID);
+}
+
+/**
+ * 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
+ *
+ * @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';
+ 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';
+ $classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id);
+ $classes[] = 'postid-' . $post_id;
+
+ // Post Format
+ $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';
+ $classes[] = 'post-type-archive-' . sanitize_html_class( get_query_var( 'post_type' ) );
+ } else if ( is_author() ) {
+ $author = $wp_query->get_queried_object();
+ $classes[] = 'author';
+ $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;
+ } elseif ( is_tag() ) {
+ $tags = $wp_query->get_queried_object();
+ $classes[] = 'tag';
+ $classes[] = 'tag-' . sanitize_html_class( $tags->slug, $tags->term_id );
+ $classes[] = 'tag-' . $tags->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 ( $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 ) ), '' );
+ }
+ } 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() )
+ $classes[] = 'admin-bar';
+
+ $page = $wp_query->get( 'page' );
+
+ if ( !$page || $page < 2)
+ $page = $wp_query->get( 'paged' );
+
+ if ( $page && $page > 1 ) {
+ $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 );
+ }
+
+ $classes = array_map( 'esc_attr', $classes );
+
+ return apply_filters( 'body_class', $classes, $class );
+}
+
+/**
+ * Whether post requires password and correct password has been provided.
+ *
+ * @since 2.7.0
+ *
+ * @param int|object $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 ( $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password )
+ return true;
+
+ return false;
+}
+
+/**
+ * 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;
+
+ echo " sticky";
+}
+
+/**
+ * Page Template Functions for usage in Themes
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * 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 $args Optional. Overwrite the defaults.
+ * @return string Formatted output in HTML.
+ */
function wp_link_pages($args = '') {
$defaults = array(
'before' => '<p>' . __('Pages:'), 'after' => '</p>',
+ 'link_before' => '', 'link_after' => '',
'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
'previouspagelink' => __('Previous page'), 'pagelink' => '%',
- 'more_file' => '', 'echo' => 1
+ 'echo' => 1
);
$r = wp_parse_args( $args, $defaults );
+ $r = apply_filters( 'wp_link_pages_args', $r );
extract( $r, EXTR_SKIP );
- global $post, $page, $numpages, $multipage, $more, $pagenow;
- if ( $more_file != '' )
- $file = $more_file;
- else
- $file = $pagenow;
+ global $page, $numpages, $multipage, $more, $pagenow;
$output = '';
if ( $multipage ) {
if ( 'number' == $next_or_number ) {
$output .= $before;
for ( $i = 1; $i < ($numpages+1); $i = $i + 1 ) {
- $j = str_replace('%',"$i",$pagelink);
+ $j = str_replace('%',$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') . '">';
- }
+ $output .= _wp_link_page($i);
}
- $output .= $j;
+ $output .= $link_before . $j . $link_after;
if ( ($i != $page) || ((!$more) && ($page==1)) )
$output .= '</a>';
}
$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>';
- }
+ $output .= _wp_link_page($i);
+ $output .= $link_before. $previouspagelink . $link_after . '</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>';
- }
+ $output .= _wp_link_page($i);
+ $output .= $link_before. $nextpagelink . $link_after . '</a>';
}
$output .= $after;
}
return $output;
}
+/**
+ * Helper function for wp_link_pages().
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param int $i Page number.
+ * @return string Link.
+ */
+function _wp_link_page( $i ) {
+ global $post, $wp_rewrite;
+
+ 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');
+ }
+
+ 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 bool|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
+ * @uses apply_filters() Calls 'the_meta_key' on list item HTML content, with key and value as separate parameters.
+ */
function the_meta() {
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 ( '_' == $keyt[0] )
continue;
$values = array_map('trim', get_post_custom_values($key));
$value = implode($values,', ');
}
}
-
//
// Pages
//
+/**
+ * Retrieve or display list of pages as a dropdown (select list).
+ *
+ * @since 2.1.0
+ *
+ * @param array|string $args Optional. Override default arguments.
+ * @return string HTML content, if not displaying.
+ */
function wp_dropdown_pages($args = '') {
$defaults = array(
'depth' => 0, 'child_of' => 0,
'selected' => 0, 'echo' => 1,
- 'name' => 'page_id', 'show_option_none' => ''
+ 'name' => 'page_id', 'id' => '',
+ 'show_option_none' => '', 'show_option_no_change' => '',
+ 'option_none_value' => ''
);
$r = wp_parse_args( $args, $defaults );
$pages = get_pages($r);
$output = '';
+ $name = esc_attr($name);
+ // Back-compat with old system where both id and name were based on $name argument
+ if ( empty($id) )
+ $id = $name;
if ( ! empty($pages) ) {
- $output = "<select name='$name'>\n";
+ $output = "<select name=\"$name\" id=\"$id\">\n";
+ if ( $show_option_no_change )
+ $output .= "\t<option value=\"-1\">$show_option_no_change</option>";
if ( $show_option_none )
- $output .= "\t<option value=''>$show_option_none</option>\n";
+ $output .= "\t<option value=\"" . esc_attr($option_none_value) . "\">$show_option_none</option>\n";
$output .= walk_page_dropdown_tree($pages, $depth, $r);
$output .= "</select>\n";
}
return $output;
}
+/**
+ * Retrieve or display list of pages in list (li) format.
+ *
+ * @since 1.5.0
+ *
+ * @param array|string $args Optional. Override default arguments.
+ * @return string HTML content, if not displaying.
+ */
function wp_list_pages($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'
+ 'authors' => '', 'sort_column' => 'menu_order, post_title',
+ 'link_before' => '', 'link_after' => '', 'walker' => '',
);
$r = wp_parse_args( $args, $defaults );
$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
- $r['exclude'] = implode(',', apply_filters('wp_list_pages_excludes', explode(',', $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) );
// Query pages.
$r['hierarchical'] = 0;
$output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';
global $wp_query;
- if ( is_page() || $wp_query->is_posts_page )
+ 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);
$output .= '</ul></li>';
}
- $output = apply_filters('wp_list_pages', $output);
+ $output = apply_filters('wp_list_pages', $output, $r);
if ( $r['echo'] )
echo $output;
return $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.
+ *
+ * <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>
+ *
+ * @since 2.7.0
+ *
+ * @param array|string $args
+ */
+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 );
+ $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 ' . $class . '><a href="' . home_url( '/' ) . '" title="' . esc_attr($text) . '">' . $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');
+ }
+ }
+
+ $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";
+ $menu = apply_filters( 'wp_page_menu', $menu, $args );
+ if ( $args['echo'] )
+ echo $menu;
+ else
+ return $menu;
+}
+
//
// Page helpers
//
-function walk_page_tree() {
- $walker = new Walker_Page;
- $args = func_get_args();
+/**
+ * Retrieve HTML list content for page list.
+ *
+ * @uses Walker_Page to create HTML list content.
+ * @since 2.1.0
+ * @see Walker_Page::walk() for parameters and return description.
+ */
+function walk_page_tree($pages, $depth, $current_page, $r) {
+ if ( empty($r['walker']) )
+ $walker = new Walker_Page;
+ else
+ $walker = $r['walker'];
+
+ $args = array($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.
+ */
function walk_page_dropdown_tree() {
- $walker = new Walker_PageDropdown;
$args = func_get_args();
+ if ( empty($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'), $args);
}
-//
-// Attachments
-//
+/**
+ * Create HTML list of pages.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ * @uses Walker
+ */
+class Walker_Page extends Walker {
+ /**
+ * @see Walker::$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";
+ }
-function the_attachment_link($id = 0, $fullsize = false, $deprecated = false, $permalink = false) {
- if ( $fullsize )
- echo wp_get_attachment_link($id, 'full', $permalink);
- else
- echo wp_get_attachment_link($id, 'thumbnail', $permalink);
-}
+ /**
+ * @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";
+ }
-// get an attachment page link using an image or icon if possible
-function wp_get_attachment_link($id = 0, $size = 'thumbnail', $permalink = false, $icon = false) {
- $id = intval($id);
- $_post = & get_post( $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. 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';
+ }
- if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
- return __('Missing Attachment');
+ $css_class = implode(' ', apply_filters('page_css_class', $css_class, $page));
- if ( $permalink )
- $url = get_attachment_link($_post->ID);
+ $output .= $indent . '<li class="' . $css_class . '"><a href="' . get_permalink($page->ID) . '" title="' . esc_attr( wp_strip_all_tags( apply_filters( 'the_title', $page->post_title, $page->ID ) ) ) . '">' . $link_before . apply_filters( 'the_title', $page->post_title, $page->ID ) . $link_after . '</a>';
- $post_title = attribute_escape($_post->post_title);
+ if ( !empty($show_date) ) {
+ if ( 'modified' == $show_date )
+ $time = $page->post_modified;
+ else
+ $time = $page->post_date;
- $link_text = wp_get_attachment_image($id, $size, $icon);
- if ( !$link_text )
- $link_text = $_post->post_title;
+ $output .= " " . mysql2date($date_format, $time);
+ }
+ }
- return "<a href='$url' title='$post_title'>$link_text</a>";
+ /**
+ * @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) {
+ $output .= "</li>\n";
+ }
}
-// deprecated - use wp_get_attachment_link()
-function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
- $id = (int) $id;
- $_post = & get_post($id);
-
- if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
- return __('Missing Attachment');
-
- if ( $permalink )
- $url = get_attachment_link($_post->ID);
-
- $post_title = attribute_escape($_post->post_title);
-
- $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
- return "<a href='$url' title='$post_title'>$innerHTML</a>";
+/**
+ * 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 );
+ $output .= $pad . esc_html( $title );
+ $output .= "</option>\n";
+ }
}
+//
+// Attachments
+//
-// deprecated: use wp_get_attachment_image_src()
-function get_attachment_icon_src( $id = 0, $fullsize = false ) {
- $id = (int) $id;
- if ( !$post = & get_post($id) )
- return false;
-
- $file = get_attached_file( $post->ID );
-
- if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
- // We have a thumbnail desired, specified and existing
-
- $src_file = basename($src);
- $class = 'attachmentthumb';
- } elseif ( wp_attachment_is_image( $post->ID ) ) {
- // We have an image without a thumbnail
-
- $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.
-
- $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
- $src_file = $icon_dir . '/' . basename($src);
- }
-
- if ( !isset($src) || !$src )
- return false;
+/**
+ * Display an attachment page link using an image or icon.
+ *
+ * @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.
+ */
+function the_attachment_link( $id = 0, $fullsize = false, $deprecated = false, $permalink = false ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.5' );
- return array($src, $src_file);
+ if ( $fullsize )
+ echo wp_get_attachment_link($id, 'full', $permalink);
+ else
+ echo wp_get_attachment_link($id, 'thumbnail', $permalink);
}
-// deprecated: use wp_get_attachment_image()
-function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
- $id = (int) $id;
- if ( !$post = & get_post($id) )
- return false;
-
- if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
- return false;
-
- list($src, $src_file) = $src;
+/**
+ * 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 $text Optional, default is false. If string, then will be link text.
+ * @return string HTML content.
+ */
+function wp_get_attachment_link($id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false) {
+ $id = intval($id);
+ $_post = & get_post( $id );
- // Do we need to constrain the image?
- if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
+ if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
+ return __('Missing Attachment');
- $imagesize = getimagesize($src_file);
+ if ( $permalink )
+ $url = get_attachment_link($_post->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];
+ $post_title = esc_attr($_post->post_title);
- 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]);
- $constraint = '';
- }
+ if ( $text ) {
+ $link_text = esc_attr($text);
+ } elseif ( ( is_int($size) && $size != 0 ) or ( is_string($size) && $size != 'none' ) or $size != false ) {
+ $link_text = wp_get_attachment_image($id, $size, $icon);
} else {
- $constraint = '';
+ $link_text = '';
}
- $post_title = attribute_escape($post->post_title);
-
- $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
-
- return apply_filters( 'attachment_icon', $icon, $post->ID );
-}
-
-// deprecated: use wp_get_attachment_image()
-function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
- $id = (int) $id;
- if ( !$post = & get_post($id) )
- return false;
-
- if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
- return $innerHTML;
-
-
- $innerHTML = attribute_escape($post->post_title);
+ if( trim($link_text) == '' )
+ $link_text = $_post->post_title;
- return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
+ return apply_filters( 'wp_get_attachment_link', "<a href='$url' title='$post_title'>$link_text</a>", $id, $size, $permalink, $icon, $text );
}
+/**
+ * Wrap attachment in <<p>> element 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;
// Misc
//
+/**
+ * Retrieve protected post password form content.
+ *
+ * @since 1.0.0
+ * @uses apply_filters() Calls 'the_password_form' filter on output.
+ *
+ * @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="' . __("Submit") . '" /></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>
';
- return $output;
+ return apply_filters('the_password_form', $output);
}
/**
- * is_page_template() - Determine wether or not we are in a page template
+ * Whether currently in a page template.
*
- * This template tag allows you to determine wether or not you are in a page template.
- * You can optional provide a template name and then the check will be specific to
- * that 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.
*
- * @package Template Tags
- * @global object $wp_query
- * @param string $template The specific template name if specific matching is required
+ * @since 2.5.0
+ * @uses $wp_query
+ *
+ * @param string $template The specific template name if specific matching is required.
+ * @return bool False on failure, true if success.
*/
function is_page_template($template = '') {
if (!is_page()) {
return false;
}
-?>
+/**
+ * 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'.
+ */
+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;
+
+ /* 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]' );
+
+ $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>";
+
+ if ( !wp_is_post_revision( $revision ) )
+ $date = sprintf( $currentf, $date );
+ elseif ( wp_is_post_autosave( $revision ) )
+ $date = sprintf( $autosavef, $date );
+
+ return $date;
+}
+
+/**
+ * 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
+ */
+function wp_list_post_revisions( $post_id = 0, $args = null ) {
+ if ( !$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;
+ }
+
+ /* translators: post revision: 1: when, 2: author name */
+ $titlef = _x( '%1$s by %2$s', 'post revision' );
+
+ if ( $parent )
+ array_unshift( $revisions, $post );
+
+ $rows = '';
+ $class = false;
+ $can_edit_post = current_user_can( 'edit_post', $post->ID );
+ foreach ( $revisions as $revision ) {
+ if ( !current_user_can( 'read_post', $revision->ID ) )
+ continue;
+ if ( 'revision' === $type && wp_is_post_autosave( $revision ) )
+ 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";
+ }
+ }
+
+ 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;
+
+}
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