Web.Admin/2014/wordpress/wp-includes/post-template.php
<?php
/**
* WordPress Post Template Functions.
*
* Gets content for the current post in the loop.
*
* @package WordPress
* @subpackage Template
*/
/**
* Display the ID of the current item in the WordPress Loop.
*
* @since 0.71
* @uses $id
*/
function the_ID() {
global $id;
echo $id;
}
/**
* Retrieve the ID of the current item in the WordPress Loop.
*
* @since 2.1.0
* @uses $id
*
* @return unknown
*/
function get_the_ID() {
global $id;
return $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) {
$title = get_the_title();
if ( strlen($title) == 0 )
return;
$title = $before . $title . $after;
if ( $echo )
echo $title;
else
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 = '' ) {
$title = get_the_title();
if ( strlen($title) == 0 )
return;
$defaults = array('before' => '', 'after' => '', 'echo' => true);
$r = wp_parse_args($args, $defaults);
extract( $r, EXTR_SKIP );
$title = $before . $title . $after;
$title = esc_attr(strip_tags($title));
if ( $echo )
echo $title;
else
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 = $post->post_title;
if ( !is_admin() ) {
if ( !empty($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);
}
}
return apply_filters( 'the_title', $title, $post->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.
*
* @since 1.5.0
*
* @param int $id Optional. Post ID.
*/
function the_guid( $id = 0 ) {
echo get_the_guid($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);
}
/**
* 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 $id, $post, $more, $page, $pages, $multipage, $preview, $pagenow;
if ( null === $more_link_text )
$more_link_text = __( '(more...)' );
$output = '';
$hasTeaser = false;
// If post password required and it doesn't match the cookie.
if ( post_password_required($post) ) {
$output = get_the_password_form();
return $output;
}
if ( $page > count($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])));
$hasTeaser = true;
} else {
$content = array($content);
}
if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
$stripteaser = 1;
$teaser = $content[0];
if ( ($more) && ($stripteaser) && ($hasTeaser) )
$teaser = '';
$output .= $teaser;
if ( count($content) > 1 ) {
if ( $more ) {
$output .= '<span id="more-' . $id . '"></span>' . $content[1];
} else {
if ( ! empty($more_link_text) )
$output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-$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
$output = preg_replace_callback('/\%u([0-9A-F]{4})/', create_function('$match', 'return "&#" . base_convert($match[1], 16, 10) . ";";'), $output);
return $output;
}
/**
* 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 = '') {
global $post;
$output = $post->post_excerpt;
if ( post_password_required($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[] = $post->post_type;
// sticky for Sticky Posts
if ( is_sticky($post->ID) && is_home())
$classes[] = 'sticky';
// hentry for hAtom compliace
$classes[] = 'hentry';
// Categories
foreach ( (array) get_the_category($post->ID) as $cat ) {
if ( empty($cat->slug ) )
continue;
$classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->cat_ID);
}
// Tags
foreach ( (array) get_the_tags($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, $current_user;
$classes = array();
if ( 'rtl' == get_bloginfo('text_direction') )
$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() ) {
$wp_query->post = $wp_query->posts[0];
setup_postdata($wp_query->post);
$postID = $wp_query->post->ID;
$classes[] = 'single postid-' . $postID;
if ( is_attachment() ) {
$mime_type = get_post_mime_type();
$mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
$classes[] = 'attachmentid-' . $postID;
$classes[] = 'attachment-' . str_replace($mime_prefix, '', $mime_type);
}
} elseif ( is_archive() ) {
if ( is_author() ) {
$author = $wp_query->get_queried_object();
$classes[] = 'author';
$classes[] = 'author-' . sanitize_html_class($author->user_nicename , $author->ID);
} elseif ( is_category() ) {
$cat = $wp_query->get_queried_object();
$classes[] = 'category';
$classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->cat_ID);
} elseif ( is_tag() ) {
$tags = $wp_query->get_queried_object();
$classes[] = 'tag';
$classes[] = 'tag-' . sanitize_html_class($tags->slug, $tags->term_id);
}
} elseif ( is_page() ) {
$classes[] = 'page';
$wp_query->post = $wp_query->posts[0];
setup_postdata($wp_query->post);
$pageID = $wp_query->post->ID;
$classes[] = 'page-id-' . $pageID;
if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' LIMIT 1", $pageID) ) )
$classes[] = 'page-parent';
if ( $wp_query->post->post_parent ) {
$classes[] = 'page-child';
$classes[] = 'parent-pageid-' . $wp_query->post->post_parent;
}
if ( is_page_template() ) {
$classes[] = 'page-template';
$classes[] = 'page-template-' . str_replace( '.php', '-php', get_post_meta( $pageID, '_wp_page_template', true ) );
}
} elseif ( is_search() ) {
if ( !empty($wp_query->posts) )
$classes[] = 'search-results';
else
$classes[] = 'search-no-results';
}
if ( is_user_logged_in() )
$classes[] = 'logged-in';
$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-' . $page;
}
if ( !empty($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.
* 'link_after' - Default is '' (string). The html or text to append to each
* Pages link inside the <a> tag.
*
* @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' => '%',
'echo' => 1
);
$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );
global $post, $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);
$output .= ' ';
if ( ($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 .= $link_before;
$output .= $j;
$output .= $link_after;
if ( ($i != $page) || ((!$more) && ($page==1)) )
$output .= '</a>';
}
$output .= $after;
} else {
if ( $more ) {
$output .= $before;
$i = $page - 1;
if ( $i && $more ) {
if ( 1 == $i ) {
$output .= '<a href="' . get_permalink() . '">' . $link_before. $previouspagelink . $link_after . '</a>';
} else {
if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
$output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $link_before. $previouspagelink . $link_after . '</a>';
else
$output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $link_before. $previouspagelink . $link_after . '</a>';
}
}
$i = $page + 1;
if ( $i <= $numpages && $more ) {
if ( 1 == $i ) {
$output .= '<a href="' . get_permalink() . '">' . $link_before. $nextpagelink . $link_after . '</a>';
} else {
if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
$output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $link_before. $nextpagelink . $link_after . '</a>';
else
$output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $link_before. $nextpagelink . $link_after . '</a>';
}
}
$output .= $after;
}
}
}
if ( $echo )
echo $output;
return $output;
}
//
// Post-meta: Custom per-post fields.
//
/**
* Retrieve post custom meta data field.
*
* @since 1.5.0
*
* @param string $key Meta data key name.
* @return string|array Array of values or single value, if only one element exists.
*/
function post_custom( $key = '' ) {
$custom = get_post_custom();
if ( 1 == count($custom[$key]) )
return $custom[$key][0];
else
return $custom[$key];
}
/**
* 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 ( (array) $keys as $key ) {
$keyt = trim($key);
if ( '_' == $keyt{0} )
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);
}
echo "</ul>\n";
}
}
//
// 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' => '', 'show_option_no_change' => '',
'option_none_value' => ''
);
$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );
$pages = get_pages($r);
$output = '';
$name = esc_attr($name);
if ( ! empty($pages) ) {
$output = "<select name=\"$name\" id=\"$name\">\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";
}
$output = apply_filters('wp_dropdown_pages', $output);
if ( $echo )
echo $output;
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',
'link_before' => '', 'link_after' => '', 'walker' => '',
);
$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );
$output = '';
$current_page = 0;
// sanitize, mostly to keep spaces out
$r['exclude'] = preg_replace('/[^0-9,]/', '', $r['exclude']);
// 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;
$pages = get_pages($r);
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 ( $r['title_li'] )
$output .= '</ul></li>';
}
$output = apply_filters('wp_list_pages', $output, $r);
if ( $r['echo'] )
echo $output;
else
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 = $args;
// Show Home in the menu
if ( isset($args['show_home']) && ! 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 ' . $class . '><a href="' . get_option('home') . '" title="' . esc_attr($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 $menu;
}
//
// Page helpers
//
/**
* Retrieve HTML list content for page list.
*
* @uses Walker_Page to create HTML list content.
* @since 2.1.0
* @see Walker_Page::walk() for parameters and return description.
*/
function walk_page_tree($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() {
$args = func_get_args();
if ( empty($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
//
/**
* 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 ( $fullsize )
echo wp_get_attachment_link($id, 'full', $permalink);
else
echo wp_get_attachment_link($id, 'thumbnail', $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 $text Optional, default is false. If string, then will be link text.
* @return string HTML content.
*/
function wp_get_attachment_link($id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false) {
$id = intval($id);
$_post = & get_post( $id );
if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
return __('Missing Attachment');
if ( $permalink )
$url = get_attachment_link($_post->ID);
$post_title = esc_attr($_post->post_title);
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, $icon);
}
if( trim($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 );
}
/**
* Retrieve HTML content of attachment image with link.
*
* @since 2.0.0
* @deprecated Use {@link wp_get_attachment_link()}
* @see wp_get_attachment_link() Use instead.
*
* @param int $id Optional. Post ID.
* @param bool $fullsize Optional, default is false. Whether to use full size image.
* @param array $max_dims Optional. Max image dimensions.
* @param bool $permalink Optional, default is false. Whether to include permalink to image.
* @return string
*/
function get_the_attachment_link($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);
$post_title = esc_attr($_post->post_title);
$innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
return "<a href='$url' title='$post_title'>$innerHTML</a>";
}
/**
* Retrieve icon URL and Path.
*
* @since 2.1.0
* @deprecated Use {@link wp_get_attachment_image_src()}
* @see wp_get_attachment_image_src() Use instead.
*
* @param int $id Optional. Post ID.
* @param bool $fullsize Optional, default to false. Whether to have full image.
* @return array Icon URL and full path to file, respectively.
*/
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;
return array($src, $src_file);
}
/**
* Retrieve HTML content of icon attachment image element.
*
* @since 2.0.0
* @deprecated Use {@link wp_get_attachment_image()}
* @see wp_get_attachment_image() Use instead of.
*
* @param int $id Optional. Post ID.
* @param bool $fullsize Optional, default to false. Whether to have full size image.
* @param array $max_dims Optional. Dimensions of image.
* @return string HTML content.
*/
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) = $src;
// Do we need to constrain the image?
if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
$imagesize = getimagesize($src_file);
if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
$actual_aspect = $imagesize[0] / $imagesize[1];
$desired_aspect = $max_dims[0] / $max_dims[1];
if ( $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 = '';
}
} else {
$constraint = '';
}
$post_title = esc_attr($post->post_title);
$icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
return apply_filters( 'attachment_icon', $icon, $post->ID );
}
/**
* Retrieve HTML content of image element.
*
* @since 2.0.0
* @deprecated Use {@link wp_get_attachment_image()}
* @see wp_get_attachment_image() Use instead.
*
* @param int $id Optional. Post ID.
* @param bool $fullsize Optional, default to false. Whether to have full size image.
* @param array $max_dims Optional. Dimensions of image.
* @return string
*/
function get_attachment_innerHTML($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;
$innerHTML = esc_attr($post->post_title);
return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
}
/**
* 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 $post;
if ( empty($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', $p);
return "$p\n$content";
}
//
// 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="' . esc_attr__("Submit") . '" /></p>
</form>
';
return apply_filters('the_password_form', $output);
}
/**
* Whether currently in a page template.
*
* This template tag allows you to determine whether 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.
*
* @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;
}
global $wp_query;
$page = $wp_query->get_queried_object();
$custom_fields = get_post_custom_values('_wp_page_template',$page->ID);
$page_template = $custom_fields[0];
// We have no argument passed so just see if a page_template has been specified
if ( empty( $template ) ) {
if (!empty( $page_template ) ) {
return true;
}
} elseif ( $template == $page_template) {
return true;
}
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_gmt . ' +0000' ) );
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' => $revision->ID, 'diff' => false, 'action' => 'restore' ) ), "restore-post_$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'$left_checked /><input type='radio' name='right' value='$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" />
</div>
</div>
<br class="clear" />
<table class="widefat post-revisions" cellspacing="0">
<col />
<col style="width: 33%" />
<col style="width: 33%" />
<col style="width: 33%" />
<thead>
<tr>
<th scope="col"></th>
<th scope="col"><?php _e( 'Date Created' ); ?></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;
}