mirror of
https://github.com/WordPress/WordPress.git
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4b9c9777d7
git-svn-id: http://svn.automattic.com/wordpress/trunk@10520 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1349 lines
38 KiB
PHP
1349 lines
38 KiB
PHP
<?php
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/**
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* WordPress Post Template Functions.
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*
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* Gets content for the current post in the loop.
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*
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* @package WordPress
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* @subpackage Template
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*/
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/**
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* Display the ID of the current item in the WordPress Loop.
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*
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* @since 0.71
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* @uses $id
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*/
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function the_ID() {
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global $id;
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echo $id;
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}
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/**
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* Retrieve the ID of the current item in the WordPress Loop.
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*
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* @since 2.1.0
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* @uses $id
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*
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* @return unknown
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*/
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function get_the_ID() {
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global $id;
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return $id;
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}
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/**
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* Display or retrieve the current post title with optional content.
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*
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* @since 0.71
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*
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* @param string $before Optional. Content to prepend to the title.
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* @param string $after Optional. Content to append to the title.
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* @param bool $echo Optional, default to true.Whether to display or return.
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* @return null|string Null on no title. String if $echo parameter is false.
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*/
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function the_title($before = '', $after = '', $echo = true) {
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$title = get_the_title();
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if ( strlen($title) == 0 )
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return;
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$title = $before . $title . $after;
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if ( $echo )
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echo $title;
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else
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return $title;
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}
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/**
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* Sanitize the current title when retrieving or displaying.
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*
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* Works like {@link the_title()}, except the parameters can be in a string or
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* an array. See the function for what can be override in the $args parameter.
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*
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* The title before it is displayed will have the tags stripped and {@link
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* attribute_escape()} before it is passed to the user or displayed. The default
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* as with {@link the_title()}, is to display the title.
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*
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* @since 2.3.0
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*
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* @param string|array $args Optional. Override the defaults.
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* @return string|null Null on failure or display. String when echo is false.
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*/
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function the_title_attribute( $args = '' ) {
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$title = get_the_title();
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if ( strlen($title) == 0 )
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return;
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$defaults = array('before' => '', 'after' => '', 'echo' => true);
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$r = wp_parse_args($args, $defaults);
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extract( $r, EXTR_SKIP );
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$title = $before . $title . $after;
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$title = attribute_escape(strip_tags($title));
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if ( $echo )
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echo $title;
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else
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return $title;
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}
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/**
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* Retrieve post title.
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*
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* If the post is protected and the visitor is not an admin, then "Protected"
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* will be displayed before the post title. If the post is private, then
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* "Private" will be located before the post title.
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*
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* @since 0.71
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*
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* @param int $id Optional. Post ID.
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* @return string
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*/
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function get_the_title( $id = 0 ) {
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$post = &get_post($id);
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$title = $post->post_title;
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if ( !is_admin() ) {
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if ( !empty($post->post_password) )
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$title = sprintf(__('Protected: %s'), $title);
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else if ( isset($post->post_status) && 'private' == $post->post_status )
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$title = sprintf(__('Private: %s'), $title);
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}
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return apply_filters( 'the_title', $title );
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}
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/**
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* Display the Post Global Unique Identifier (guid).
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*
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* The guid will appear to be a link, but should not be used as an link to the
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* post. The reason you should not use it as a link, is because of moving the
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* blog across domains.
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*
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* @since 1.5.0
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*
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* @param int $id Optional. Post ID.
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*/
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function the_guid( $id = 0 ) {
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echo get_the_guid($id);
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}
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/**
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* Retrieve the Post Global Unique Identifier (guid).
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*
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* The guid will appear to be a link, but should not be used as an link to the
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* post. The reason you should not use it as a link, is because of moving the
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* blog across domains.
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*
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* @since 1.5.0
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*
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* @param int $id Optional. Post ID.
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* @return string
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*/
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function get_the_guid( $id = 0 ) {
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$post = &get_post($id);
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return apply_filters('get_the_guid', $post->guid);
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}
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/**
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* Display the post content.
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*
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* @since 0.71
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*
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* @param string $more_link_text Optional. Content for when there is more text.
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* @param string $stripteaser Optional. Teaser content before the more text.
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* @param string $more_file Optional. Not used.
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*/
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function the_content($more_link_text = null, $stripteaser = 0, $more_file = '') {
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$content = get_the_content($more_link_text, $stripteaser, $more_file);
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$content = apply_filters('the_content', $content);
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$content = str_replace(']]>', ']]>', $content);
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echo $content;
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}
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/**
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* Retrieve the post content.
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*
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* @since 0.71
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*
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* @param string $more_link_text Optional. Content for when there is more text.
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* @param string $stripteaser Optional. Teaser content before the more text.
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* @param string $more_file Optional. Not used.
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* @return string
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*/
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function get_the_content($more_link_text = null, $stripteaser = 0, $more_file = '') {
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global $id, $post, $more, $page, $pages, $multipage, $preview, $pagenow;
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if ( null === $more_link_text )
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$more_link_text = __( '(more...)' );
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$output = '';
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// If post password required and it doesn't match the cookie.
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if ( post_password_required($post) ) {
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$output = get_the_password_form();
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return $output;
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}
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if ( $more_file != '' )
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$file = $more_file;
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else
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$file = $pagenow; //$_SERVER['PHP_SELF'];
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if ( $page > count($pages) ) // if the requested page doesn't exist
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$page = count($pages); // give them the highest numbered page that DOES exist
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$content = $pages[$page-1];
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if ( preg_match('/<!--more(.*?)?-->/', $content, $matches) ) {
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$content = explode($matches[0], $content, 2);
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if ( !empty($matches[1]) && !empty($more_link_text) )
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$more_link_text = strip_tags(wp_kses_no_null(trim($matches[1])));
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} else {
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$content = array($content);
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}
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if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
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$stripteaser = 1;
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$teaser = $content[0];
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if ( ($more) && ($stripteaser) )
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$teaser = '';
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$output .= $teaser;
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if ( count($content) > 1 ) {
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if ( $more ) {
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$output .= '<span id="more-'.$id.'"></span>'.$content[1];
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} else {
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$output = balanceTags($output);
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if ( ! empty($more_link_text) )
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$output .= ' <a href="'. get_permalink() . "#more-$id\" class=\"more-link\">$more_link_text</a>";
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}
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}
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if ( $preview ) // preview fix for javascript bug with foreign languages
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$output = preg_replace_callback('/\%u([0-9A-F]{4})/', create_function('$match', 'return "&#" . base_convert($match[1], 16, 10) . ";";'), $output);
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return $output;
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}
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/**
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* Display the post excerpt.
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*
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* @since 0.71
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* @uses apply_filters() Calls 'the_excerpt' hook on post excerpt.
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*/
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function the_excerpt() {
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echo apply_filters('the_excerpt', get_the_excerpt());
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}
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/**
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* Retrieve the post excerpt.
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*
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* @since 0.71
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*
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* @param mixed $deprecated Not used.
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* @return string
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*/
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function get_the_excerpt($deprecated = '') {
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global $post;
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$output = '';
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$output = $post->post_excerpt;
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if ( post_password_required($post) ) {
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$output = __('There is no excerpt because this is a protected post.');
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return $output;
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}
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return apply_filters('get_the_excerpt', $output);
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}
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/**
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* Whether post has excerpt.
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*
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* @since 2.3.0
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*
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* @param int $id Optional. Post ID.
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* @return bool
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*/
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function has_excerpt( $id = 0 ) {
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$post = &get_post( $id );
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return ( !empty( $post->post_excerpt ) );
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}
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/**
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* Display the classes for the post div.
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*
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* @since 2.7.0
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*
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* @param string|array $class One or more classes to add to the class list.
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* @param int $post_id An optional post ID.
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*/
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function post_class( $class = '', $post_id = null ) {
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// Separates classes with a single space, collates classes for post DIV
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echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"';
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}
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/**
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* Retrieve the classes for the post div as an array.
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*
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* The class names are add are many. If the post is a sticky, then the 'sticky'
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* class name. The class 'hentry' is always added to each post. For each
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* category, the class will be added with 'category-' with category slug is
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* added. The tags are the same way as the categories with 'tag-' before the tag
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* slug. All classes are passed through the filter, 'post_class' with the list
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* of classes, followed by $class parameter value, with the post ID as the last
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* parameter.
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*
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* @since 2.7.0
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*
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* @param string|array $class One or more classes to add to the class list.
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* @param int $post_id An optional post ID.
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* @return array Array of classes.
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*/
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function get_post_class( $class = '', $post_id = null ) {
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$post = get_post($post_id);
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$classes = array();
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$classes[] = $post->post_type;
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// sticky for Sticky Posts
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if ( is_sticky($post->ID) && is_home())
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$classes[] = 'sticky';
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// hentry for hAtom compliace
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$classes[] = 'hentry';
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// Categories
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foreach ( (array) get_the_category($post->ID) as $cat ) {
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if ( empty($cat->slug ) )
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continue;
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$classes[] = 'category-' . $cat->slug;
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}
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// Tags
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foreach ( (array) get_the_tags($post->ID) as $tag ) {
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if ( empty($tag->slug ) )
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continue;
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$classes[] = 'tag-' . $tag->slug;
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}
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if ( !empty($class) ) {
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if ( !is_array( $class ) )
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$class = preg_split('#\s+#', $class);
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$classes = array_merge($classes, $class);
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}
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return apply_filters('post_class', $classes, $class, $post_id);
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}
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/**
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* Display the classes for the body element.
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*
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* @since 2.8.0
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*
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* @param string|array $class One or more classes to add to the class list.
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*/
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function body_class( $class = '' ) {
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// Separates classes with a single space, collates classes for body element
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echo 'class="' . join( ' ', get_body_class( $class ) ) . '"';
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}
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/**
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* Retrieve the classes for the body element as an array.
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*
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* @since 2.8.0
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*
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* @param string|array $class One or more classes to add to the class list.
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* @return array Array of classes.
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*/
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function get_body_class( $class = '' ) {
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global $wp_query, $current_user;
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$classes = array();
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if ( 'rtl' == get_bloginfo('text_direction') )
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$classes[] = 'rtl';
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if ( is_front_page() )
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$classes[] = 'home';
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if ( is_home() )
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$classes[] = 'blog';
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if ( is_archive() )
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$classes[] = 'archive';
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if ( is_date() )
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$classes[] = 'date';
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if ( is_search() )
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$classes[] = 'search';
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if ( is_paged() )
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$classes[] = 'paged';
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if ( is_attachment() )
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$classes[] = 'attachment';
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if ( is_404() )
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$classes[] = 'error404';
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if ( is_single() ) {
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the_post();
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$postID = $wp_query->post->ID;
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$classes[] = 'single postid-' . $postID;
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if ( is_attachment() ) {
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$mime_type = get_post_mime_type();
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$mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
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$classes[] = 'attachmentid-' . $postID . ' attachment-' . str_replace( $mime_prefix, "", "$mime_type" );
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}
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rewind_posts();
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} elseif ( is_archive() ) {
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if ( is_author() ) {
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$author = $wp_query->get_queried_object();
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$classes[] = 'author';
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$classes[] = 'author-' . $author->user_nicename;
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} elseif ( is_category() ) {
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$cat = $wp_query->get_queried_object();
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$classes[] = 'category';
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$classes[] = 'category-' . $cat->slug;
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} elseif ( is_tag() ) {
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$tags = $wp_query->get_queried_object();
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$classes[] = 'tag';
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$classes[] = 'tag-' . $tags->slug;
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}
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} elseif ( is_page() ) {
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the_post();
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$pageID = $wp_query->post->ID;
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$page_children = wp_list_pages("child_of=$pageID&echo=0");
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if ( $page_children )
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$classes[] = 'page-parent';
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if ( $wp_query->post->post_parent )
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$classes[] = 'page-child parent-pageid-' . $wp_query->post->post_parent;
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if ( is_page_template() )
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$classes[] = 'page-template page-template-' . str_replace( '.php', '-php', get_post_meta( $pageID, '_wp_page_template', true ) );
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rewind_posts();
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} elseif ( is_search() ) {
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the_post();
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if ( have_posts() )
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$classes[] = 'search-results';
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else
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$classes[] = 'search-no-results';
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rewind_posts();
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}
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if ( is_user_logged_in() )
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$classes[] = 'logged-in';
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$page = $wp_query->get('page');
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if ( !$page || $page < 2)
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$page = $wp_query->get('paged');
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if ( $page && $page > 1 ) {
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$classes[] = 'paged-' . $page;
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if ( is_single() )
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$classes[] = 'single-paged-' . $page;
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elseif ( is_page() )
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$classes[] = 'page-paged-' . $page;
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elseif ( is_category() )
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$classes[] = 'category-paged-' . $page;
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elseif ( is_tag() )
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$classes[] = 'tag-paged-' . $page;
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elseif ( is_date() )
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$classes[] = 'date-paged-' . $page;
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elseif ( is_author() )
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$classes[] = 'author-paged-' . $page;
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elseif ( is_search() )
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$classes[] = 'search-paged-' . $page;
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}
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|
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if ( !empty($class) ) {
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if ( !is_array( $class ) )
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$class = preg_split('#\s+#', $class);
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$classes = array_merge($classes, $class);
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}
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return apply_filters('body_class', $classes, $class);
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}
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|
|
/**
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* 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.
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* @return bool false if a password is not required or the correct password cookie is present, true otherwise.
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*/
|
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function post_password_required( $post = null ) {
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$post = get_post($post);
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|
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if ( empty($post->post_password) )
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return false;
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if ( !isset($_COOKIE['wp-postpass_' . COOKIEHASH]) )
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return true;
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|
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if ( $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password )
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return true;
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return false;
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}
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|
|
/**
|
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* Display "sticky" CSS class, if a post is sticky.
|
|
*
|
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* @since 2.7.0
|
|
*
|
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* @param int $post_id An optional post ID.
|
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*/
|
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function sticky_class( $post_id = null ) {
|
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if ( !is_sticky($post_id) )
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return;
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|
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echo " sticky";
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}
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|
|
/**
|
|
* 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.
|
|
* 'more_file' - Default is '' (string) Page the links should point to. Defaults
|
|
* to the current page.
|
|
* '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' => '%',
|
|
'more_file' => '', 'echo' => 1
|
|
);
|
|
|
|
$r = wp_parse_args( $args, $defaults );
|
|
extract( $r, EXTR_SKIP );
|
|
|
|
global $post, $page, $numpages, $multipage, $more, $pagenow;
|
|
if ( $more_file != '' )
|
|
$file = $more_file;
|
|
else
|
|
$file = $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);
|
|
$output = '';
|
|
|
|
if ( ! empty($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 )
|
|
$output .= "\t<option value=\"$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' => ''
|
|
);
|
|
|
|
$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
|
|
$r['exclude'] = implode(',', apply_filters('wp_list_pages_excludes', explode(',', $r['exclude'])));
|
|
|
|
// 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() || $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);
|
|
|
|
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' => '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') . '">' . $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="' . $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);
|
|
|
|
$post_title = attribute_escape($_post->post_title);
|
|
|
|
if ( $text ) {
|
|
$link_text = attribute_escape($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);
|
|
|
|
$post_title = attribute_escape($_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 = '';
|
|
}
|
|
|
|
$post_title = attribute_escape($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;
|
|
|
|
|
|
$innerHTML = attribute_escape($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="' . __("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;
|
|
|
|
$datef = _c( 'j F, Y @ G:i|revision date format');
|
|
$autosavef = __( '%s [Autosave]' );
|
|
$currentf = __( '%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_author_name()
|
|
*
|
|
* @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;
|
|
}
|
|
|
|
$titlef = _c( '%1$s by %2$s|post revision 1:datetime, 2:name' );
|
|
|
|
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_author_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 _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;
|
|
|
|
}
|