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 = '' ) { $defaults = array('before' => '', 'after' => '', 'echo' => true, 'post' => get_post() ); $r = wp_parse_args($args, $defaults); extract( $r, EXTR_SKIP ); $title = get_the_title( $post ); if ( strlen($title) == 0 ) return; $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|object $post Optional. Post ID or object. * @return string */ function get_the_title( $post = 0 ) { $post = get_post( $post ); $title = isset( $post->post_title ) ? $post->post_title : ''; $id = isset( $post->ID ) ? $post->ID : 0; if ( ! is_admin() ) { if ( ! empty( $post->post_password ) ) { $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, $id ); } /** * Display the Post Global Unique Identifier (guid). * * The guid will appear to be a link, but should not be used as an link to the * post. The reason you should not use it as a link, is because of moving the * blog across domains. * * Url is escaped to make it xml safe * * @since 1.5.0 * * @param int $id Optional. Post ID. */ function the_guid( $id = 0 ) { echo esc_url( get_the_guid( $id ) ); } /** * Retrieve the Post Global Unique Identifier (guid). * * The guid will appear to be a link, but should not be used as an link to the * post. The reason you should not use it as a link, is because of moving the * blog across domains. * * @since 1.5.0 * * @param int $id Optional. Post ID. * @return string */ function get_the_guid( $id = 0 ) { $post = get_post($id); return apply_filters('get_the_guid', $post->guid); } /** * Display the post content. * * @since 0.71 * * @param string $more_link_text Optional. Content for when there is more text. * @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false. */ function the_content( $more_link_text = null, $strip_teaser = false) { $content = get_the_content( $more_link_text, $strip_teaser ); $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 bool $stripteaser Optional. Strip teaser content before the more text. Default is false. * @return string */ function get_the_content( $more_link_text = null, $strip_teaser = false ) { global $page, $more, $preview, $pages, $multipage; $post = get_post(); if ( null === $more_link_text ) $more_link_text = __( '(more…)' ); $output = ''; $has_teaser = false; // If post password required and it doesn't match the cookie. if ( post_password_required( $post ) ) return get_the_password_form( $post ); if ( $page > count( $pages ) ) // if the requested page doesn't exist $page = count( $pages ); // give them the highest numbered page that DOES exist $content = $pages[$page - 1]; if ( preg_match( '//', $content, $matches ) ) { $content = explode( $matches[0], $content, 2 ); if ( ! empty( $matches[1] ) && ! empty( $more_link_text ) ) $more_link_text = strip_tags( wp_kses_no_null( trim( $matches[1] ) ) ); $has_teaser = true; } else { $content = array( $content ); } if ( false !== strpos( $post->post_content, '' ) && ( ! $multipage || $page == 1 ) ) $strip_teaser = true; $teaser = $content[0]; if ( $more && $strip_teaser && $has_teaser ) $teaser = ''; $output .= $teaser; if ( count( $content ) > 1 ) { if ( $more ) { $output .= '' . $content[1]; } else { if ( ! empty( $more_link_text ) ) $output .= apply_filters( 'the_content_more_link', ' ID}\" class=\"more-link\">$more_link_text", $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})/', '_convert_urlencoded_to_entities', $output ); return $output; } /** * Preview fix for javascript bug with foreign languages * * @since 3.1.0 * @access private * @param array $match Match array from preg_replace_callback * @return string */ function _convert_urlencoded_to_entities( $match ) { return '&#' . base_convert( $match[1], 16, 10 ) . ';'; } /** * Display the post excerpt. * * @since 0.71 * @uses apply_filters() Calls 'the_excerpt' hook on post excerpt. */ function the_excerpt() { echo apply_filters('the_excerpt', get_the_excerpt()); } /** * Retrieve the post excerpt. * * @since 0.71 * * @param mixed $deprecated Not used. * @return string */ function get_the_excerpt( $deprecated = '' ) { if ( !empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '2.3' ); $post = get_post(); if ( post_password_required() ) { return __( 'There is no excerpt because this is a protected post.' ); } return apply_filters( 'get_the_excerpt', $post->post_excerpt ); } /** * 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; if ( ! is_admin() ) $classes[] = $post->post_type; $classes[] = 'type-' . $post->post_type; $classes[] = 'status-' . $post->post_status; // Post Format if ( post_type_supports( $post->post_type, 'post-formats' ) ) { $post_format = get_post_format( $post->ID ); if ( $post_format && !is_wp_error($post_format) ) $classes[] = 'format-' . sanitize_html_class( $post_format ); else $classes[] = 'format-standard'; } // post requires password if ( post_password_required($post->ID) ) $classes[] = 'post-password-required'; // sticky for Sticky Posts if ( is_sticky($post->ID) && is_home() && !is_paged() ) $classes[] = 'sticky'; // hentry for hAtom compliance $classes[] = 'hentry'; // Categories if ( is_object_in_taxonomy( $post->post_type, 'category' ) ) { foreach ( (array) get_the_category($post->ID) as $cat ) { if ( empty($cat->slug ) ) continue; $classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->term_id); } } // Tags if ( is_object_in_taxonomy( $post->post_type, 'post_tag' ) ) { foreach ( (array) get_the_tags($post->ID) as $tag ) { if ( empty($tag->slug ) ) continue; $classes[] = 'tag-' . sanitize_html_class($tag->slug, $tag->term_id); } } if ( !empty($class) ) { if ( !is_array( $class ) ) $class = preg_split('#\s+#', $class); $classes = array_merge($classes, $class); } $classes = array_map('esc_attr', $classes); return apply_filters('post_class', $classes, $class, $post->ID); } /** * Display the classes for the body element. * * @since 2.8.0 * * @param string|array $class One or more classes to add to the class list. */ function body_class( $class = '' ) { // Separates classes with a single space, collates classes for body element echo 'class="' . join( ' ', get_body_class( $class ) ) . '"'; } /** * Retrieve the classes for the body element as an array. * * @since 2.8.0 * * @param string|array $class One or more classes to add to the class list. * @return array Array of classes. */ function get_body_class( $class = '' ) { global $wp_query, $wpdb; $classes = array(); if ( is_rtl() ) $classes[] = 'rtl'; if ( is_front_page() ) $classes[] = 'home'; if ( is_home() ) $classes[] = 'blog'; if ( is_archive() ) $classes[] = 'archive'; if ( is_date() ) $classes[] = 'date'; if ( is_search() ) { $classes[] = 'search'; $classes[] = $wp_query->posts ? 'search-results' : 'search-no-results'; } if ( is_paged() ) $classes[] = 'paged'; if ( is_attachment() ) $classes[] = 'attachment'; if ( is_404() ) $classes[] = 'error404'; if ( is_single() ) { $post_id = $wp_query->get_queried_object_id(); $post = $wp_query->get_queried_object(); $classes[] = 'single'; if ( isset( $post->post_type ) ) { $classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id); $classes[] = 'postid-' . $post_id; // Post Format if ( post_type_supports( $post->post_type, 'post-formats' ) ) { $post_format = get_post_format( $post->ID ); if ( $post_format && !is_wp_error($post_format) ) $classes[] = 'single-format-' . sanitize_html_class( $post_format ); else $classes[] = 'single-format-standard'; } } if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' ); $classes[] = 'attachmentid-' . $post_id; $classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type ); } } elseif ( is_archive() ) { if ( is_post_type_archive() ) { $classes[] = 'post-type-archive'; $classes[] = 'post-type-archive-' . sanitize_html_class( get_query_var( 'post_type' ) ); } else if ( is_author() ) { $author = $wp_query->get_queried_object(); $classes[] = 'author'; if ( isset( $author->user_nicename ) ) { $classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID ); $classes[] = 'author-' . $author->ID; } } elseif ( is_category() ) { $cat = $wp_query->get_queried_object(); $classes[] = 'category'; if ( isset( $cat->term_id ) ) { $classes[] = 'category-' . sanitize_html_class( $cat->slug, $cat->term_id ); $classes[] = 'category-' . $cat->term_id; } } elseif ( is_tag() ) { $tags = $wp_query->get_queried_object(); $classes[] = 'tag'; if ( isset( $tags->term_id ) ) { $classes[] = 'tag-' . sanitize_html_class( $tags->slug, $tags->term_id ); $classes[] = 'tag-' . $tags->term_id; } } elseif ( is_tax() ) { $term = $wp_query->get_queried_object(); if ( isset( $term->term_id ) ) { $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy ); $classes[] = 'term-' . sanitize_html_class( $term->slug, $term->term_id ); $classes[] = 'term-' . $term->term_id; } } } elseif ( is_page() ) { $classes[] = 'page'; $page_id = $wp_query->get_queried_object_id(); $post = get_post($page_id); $classes[] = 'page-id-' . $page_id; if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' AND post_status = 'publish' LIMIT 1", $page_id) ) ) $classes[] = 'page-parent'; if ( $post->post_parent ) { $classes[] = 'page-child'; $classes[] = 'parent-pageid-' . $post->post_parent; } if ( is_page_template() ) { $classes[] = 'page-template'; $classes[] = 'page-template-' . sanitize_html_class( str_replace( '.', '-', get_page_template_slug( $page_id ) ) ); } else { $classes[] = 'page-template-default'; } } if ( is_user_logged_in() ) $classes[] = 'logged-in'; if ( is_admin_bar_showing() ) { $classes[] = 'admin-bar'; $classes[] = 'no-customize-support'; } if ( get_theme_mod( 'background_color' ) || get_background_image() ) $classes[] = 'custom-background'; $page = $wp_query->get( 'page' ); if ( !$page || $page < 2) $page = $wp_query->get( 'paged' ); if ( $page && $page > 1 ) { $classes[] = 'paged-' . $page; if ( is_single() ) $classes[] = 'single-paged-' . $page; elseif ( is_page() ) $classes[] = 'page-paged-' . $page; elseif ( is_category() ) $classes[] = 'category-paged-' . $page; elseif ( is_tag() ) $classes[] = 'tag-paged-' . $page; elseif ( is_date() ) $classes[] = 'date-paged-' . $page; elseif ( is_author() ) $classes[] = 'author-paged-' . $page; elseif ( is_search() ) $classes[] = 'search-paged-' . $page; elseif ( is_post_type_archive() ) $classes[] = 'post-type-paged-' . $page; } if ( ! empty( $class ) ) { if ( !is_array( $class ) ) $class = preg_split( '#\s+#', $class ); $classes = array_merge( $classes, $class ); } else { // Ensure that we always coerce class to being an array. $class = array(); } $classes = array_map( 'esc_attr', $classes ); return apply_filters( 'body_class', $classes, $class ); } /** * Whether post requires password and correct password has been provided. * * @since 2.7.0 * * @param int|WP_Post $post An optional post. Global $post used if not provided. * @return bool false if a password is not required or the correct password cookie is present, true otherwise. */ function post_password_required( $post = null ) { $post = get_post($post); if ( empty( $post->post_password ) ) return false; if ( ! isset( $_COOKIE['wp-postpass_' . COOKIEHASH] ) ) return true; require_once ABSPATH . 'wp-includes/class-phpass.php'; $hasher = new PasswordHash( 8, true ); $hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ); if ( 0 !== strpos( $hash, '$P$B' ) ) return true; return ! $hasher->CheckPassword( $post->post_password, $hash ); } /** * Page Template Functions for usage in Themes * * @package WordPress * @subpackage Template */ /** * The formatted output of a list of pages. * * Displays page links for paginated posts (i.e. includes the . * Quicktag one or more times). This tag must be within The Loop. * * The defaults for overwriting are: * 'before' - Default is '

Pages:' (string). The html or text to prepend to * each bookmarks. * 'after' - Default is '

' (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 tag. Also prepended to the current item, which * is not linked. * 'link_after' - Default is '' (string). The html or text to append to each * Pages link inside the tag. Also appended to the current item, which * is not linked. * 'next_or_number' - Default is 'number' (string). Indicates whether page * numbers should be used. Valid values are number and next. * 'separator' - Default is ' ' (string). Text used between pagination links. * '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. * 'echo' - Default is 1 (integer). When not 0, this triggers the HTML to be * echoed and then returned. * * @since 1.2.0 * * @param string|array $args Optional. Overwrite the defaults. * @return string Formatted output in HTML. */ function wp_link_pages( $args = '' ) { $defaults = array( 'before' => '

' . __( 'Pages:' ), 'after' => '

', 'link_before' => '', 'link_after' => '', 'next_or_number' => 'number', 'separator' => ' ', 'nextpagelink' => __( 'Next page' ), 'previouspagelink' => __( 'Previous page' ), 'pagelink' => '%', 'echo' => 1 ); $r = wp_parse_args( $args, $defaults ); $r = apply_filters( 'wp_link_pages_args', $r ); extract( $r, EXTR_SKIP ); global $page, $numpages, $multipage, $more; $output = ''; if ( $multipage ) { if ( 'number' == $next_or_number ) { $output .= $before; for ( $i = 1; $i <= $numpages; $i++ ) { $link = $link_before . str_replace( '%', $i, $pagelink ) . $link_after; if ( $i != $page || ! $more && 1 == $page ) $link = _wp_link_page( $i ) . $link . ''; $link = apply_filters( 'wp_link_pages_link', $link, $i ); $output .= $separator . $link; } $output .= $after; } elseif ( $more ) { $output .= $before; $i = $page - 1; if ( $i ) { $link = _wp_link_page( $i ) . $link_before . $previouspagelink . $link_after . ''; $link = apply_filters( 'wp_link_pages_link', $link, $i ); $output .= $separator . $link; } $i = $page + 1; if ( $i <= $numpages ) { $link = _wp_link_page( $i ) . $link_before . $nextpagelink . $link_after . ''; $link = apply_filters( 'wp_link_pages_link', $link, $i ); $output .= $separator . $link; } $output .= $after; } } $output = apply_filters( 'wp_link_pages', $output, $args ); if ( $echo ) echo $output; return $output; } /** * Helper function for wp_link_pages(). * * @since 3.1.0 * @access private * * @param int $i Page number. * @return string Link. */ function _wp_link_page( $i ) { global $wp_rewrite; $post = get_post(); if ( 1 == $i ) { $url = get_permalink(); } else { if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) ) $url = add_query_arg( 'page', $i, get_permalink() ); elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID ) $url = trailingslashit(get_permalink()) . user_trailingslashit("$wp_rewrite->pagination_base/" . $i, 'single_paged'); else $url = trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged'); } return ''; } // // Post-meta: Custom per-post fields. // /** * Retrieve post custom meta data field. * * @since 1.5.0 * * @param string $key Meta data key name. * @return bool|string|array Array of values or single value, if only one element exists. False will be returned if key does not exist. */ function post_custom( $key = '' ) { $custom = get_post_custom(); if ( !isset( $custom[$key] ) ) return false; elseif ( 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 "\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', '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 = ''; // Back-compat with old system where both id and name were based on $name argument if ( empty($id) ) $id = $name; if ( ! empty($pages) ) { $output = "\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 .= '
  • ' . $r['title_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. * * * * @since 2.7.0 * * @param array|string $args * @return string html menu */ function wp_page_menu( $args = array() ) { $defaults = array('sort_column' => 'menu_order, post_title', 'menu_class' => 'menu', 'echo' => true, 'link_before' => '', 'link_after' => ''); $args = wp_parse_args( $args, $defaults ); $args = apply_filters( 'wp_page_menu_args', $args ); $menu = ''; $list_args = $args; // Show Home in the menu if ( ! empty($args['show_home']) ) { if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] ) $text = __('Home'); else $text = $args['show_home']; $class = ''; if ( is_front_page() && !is_paged() ) $class = 'class="current_page_item"'; $menu .= '
  • ' . $args['link_before'] . $text . $args['link_after'] . '
    • '; // 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 = ''; $menu = '
    ' . $menu . "
    \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'), $args); } /** * Create HTML list of pages. * * @package WordPress * @since 2.1.0 * @uses Walker */ class Walker_Page extends Walker { /** * @see Walker::$tree_type * @since 2.1.0 * @var string */ var $tree_type = 'page'; /** * @see Walker::$db_fields * @since 2.1.0 * @todo Decouple this. * @var array */ var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID'); /** * @see Walker::start_lvl() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param int $depth Depth of page. Used for padding. * @param array $args */ function start_lvl( &$output, $depth = 0, $args = array() ) { $indent = str_repeat("\t", $depth); $output .= "\n$indent\n"; } /** * @see Walker::start_el() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $page Page data object. * @param int $depth Depth of page. Used for padding. * @param int $current_page Page ID. * @param array $args */ function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) { if ( $depth ) $indent = str_repeat("\t", $depth); else $indent = ''; extract($args, EXTR_SKIP); $css_class = array('page_item', 'page-item-'.$page->ID); if ( !empty($current_page) ) { $_current_page = get_post( $current_page ); if ( in_array( $page->ID, $_current_page->ancestors ) ) $css_class[] = 'current_page_ancestor'; if ( $page->ID == $current_page ) $css_class[] = 'current_page_item'; elseif ( $_current_page && $page->ID == $_current_page->post_parent ) $css_class[] = 'current_page_parent'; } elseif ( $page->ID == get_option('page_for_posts') ) { $css_class[] = 'current_page_parent'; } $css_class = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) ); if ( '' === $page->post_title ) $page->post_title = sprintf( __( '#%d (no title)' ), $page->ID ); $output .= $indent . '
  • ' . $link_before . apply_filters( 'the_title', $page->post_title, $page->ID ) . $link_after . ''; if ( !empty($show_date) ) { if ( 'modified' == $show_date ) $time = $page->post_modified; else $time = $page->post_date; $output .= " " . mysql2date($date_format, $time); } } /** * @see Walker::end_el() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $page Page data object. Not used. * @param int $depth Depth of page. Not Used. * @param array $args */ function end_el( &$output, $page, $depth = 0, $args = array() ) { $output .= "
    • \n"; } } /** * Create HTML dropdown list of pages. * * @package WordPress * @since 2.1.0 * @uses Walker */ class Walker_PageDropdown extends Walker { /** * @see Walker::$tree_type * @since 2.1.0 * @var string */ var $tree_type = 'page'; /** * @see Walker::$db_fields * @since 2.1.0 * @todo Decouple this * @var array */ var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID'); /** * @see Walker::start_el() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $page Page data object. * @param int $depth Depth of page in reference to parent pages. Used for padding. * @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element. * @param int $id */ function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) { $pad = str_repeat(' ', $depth * 3); $output .= "\t\n"; } } // // 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 ( !empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '2.5' ); if ( $fullsize ) echo wp_get_attachment_link($id, 'full', $permalink); else echo wp_get_attachment_link($id, 'thumbnail', $permalink); } /** * 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|bool $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 ( empty( $_post ) || ( '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 = $text; elseif ( $size && 'none' != $size ) $link_text = wp_get_attachment_image( $id, $size, $icon ); else $link_text = ''; if ( trim( $link_text ) == '' ) $link_text = $_post->post_title; return apply_filters( 'wp_get_attachment_link', "$link_text", $id, $size, $permalink, $icon, $text ); } /** * Wrap attachment in <

    > 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) { $post = get_post(); if ( empty($post->post_type) || $post->post_type != 'attachment' ) return $content; $p = '

    '; // 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 = 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. * @param int|WP_Post $post Optional. A post id or post object. Defaults to the current post when in The Loop, undefined otherwise. * @return string HTML content for password form for password protected post. */ function get_the_password_form( $post = 0 ) { $post = get_post( $post ); $label = 'pwbox-' . ( empty($post->ID) ? rand() : $post->ID ); $output = '

    ' . __( 'This post is password protected. To view it please enter your password below:' ) . '

    '; return apply_filters( 'the_password_form', $output ); } /** * Whether currently in a page template. * * This template tag allows you to determine if you are in a page template. * You can optionally provide a template name and then the check will be * specific to that template. * * @since 2.5.0 * @uses $wp_query * * @param string $template The specific template name if specific matching is required. * @return bool True on success, false on failure. */ function is_page_template( $template = '' ) { if ( ! is_page() ) return false; $page_template = get_page_template_slug( get_queried_object_id() ); if ( empty( $template ) ) return (bool) $page_template; if ( $template == $page_template ) return true; if ( 'default' == $template && ! $page_template ) return true; return false; } /** * Get the specific template name for a page. * * @since 3.4.0 * * @param int $post_id Optional. The page ID to check. Defaults to the current post, when used in the loop. * @return string|bool Page template filename. Returns an empty string when the default page template * is in use. Returns false if the post is not a page. */ function get_page_template_slug( $post_id = null ) { $post = get_post( $post_id ); if ( ! $post || 'page' != $post->post_type ) return false; $template = get_post_meta( $post->ID, '_wp_page_template', true ); if ( ! $template || 'default' == $template ) return ''; return $template; } /** * 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 */ $autosavef = _x( '%1$s [Autosave]', 'post revision title extra' ); /* translators: 1: date */ $currentf = _x( '%1$s [Current Revision]', 'post revision title extra' ); $date = date_i18n( $datef, strtotime( $revision->post_modified ) ); if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) ) $date = "$date"; if ( !wp_is_post_revision( $revision ) ) $date = sprintf( $currentf, $date ); elseif ( wp_is_post_autosave( $revision ) ) $date = sprintf( $autosavef, $date ); return $date; } /** * Retrieve formatted date timestamp of a revision (linked to that revisions's page). * * @package WordPress * @subpackage Post_Revisions * @since 3.6.0 * * @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 gravatar, user, i18n formatted datetimestamp or localized 'Current Revision'. */ function wp_post_revision_title_expanded( $revision, $link = true ) { if ( !$revision = get_post( $revision ) ) return $revision; if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) ) return false; $author = get_the_author_meta( 'display_name', $revision->post_author ); /* translators: revision date format, see http://php.net/date */ $datef = _x( 'j F, Y @ G:i:s', 'revision date format'); $gravatar = get_avatar( $revision->post_author, 24 ); $date = date_i18n( $datef, strtotime( $revision->post_modified ) ); if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) ) $date = "$date"; $revision_date_author = sprintf( /* translators: post revision title: 1: author avatar, 2: author name, 3: time ago, 4: date */ _x( '%1$s %2$s, %3$s ago (%4$s)', 'post revision title' ), $gravatar, $author, human_time_diff( strtotime( $revision->post_modified ), current_time( 'timestamp' ) ), $date ); $autosavef = __( '%1$s [Autosave]' ); $currentf = __( '%1$s [Current Revision]' ); if ( !wp_is_post_revision( $revision ) ) $revision_date_author = sprintf( $currentf, $revision_date_author ); elseif ( wp_is_post_autosave( $revision ) ) $revision_date_author = sprintf( $autosavef, $revision_date_author ); return $revision_date_author; } /** * Display list of a post's revisions. * * Can output either a UL with edit links or a TABLE with diff interface, and * restore action links. * * @package WordPress * @subpackage Post_Revisions * @since 2.6.0 * * @uses wp_get_post_revisions() * @uses wp_post_revision_title_expanded() * @uses get_edit_post_link() * @uses get_the_author_meta() * * @param int|object $post_id Post ID or post object. * @param string $type 'all' (default), 'revision' or 'autosave' * @return null */ function wp_list_post_revisions( $post_id = 0, $type = 'all' ) { if ( ! $post = get_post( $post_id ) ) return; // $args array with (parent, format, right, left, type) deprecated since 3.6 if ( is_array( $type ) ) { $type = ! empty( $type['type'] ) ? $type['type'] : $type; _deprecated_argument( __FUNCTION__, '3.6' ); } if ( ! $revisions = wp_get_post_revisions( $post->ID ) ) return; $rows = ''; foreach ( $revisions as $revision ) { if ( ! current_user_can( 'read_post', $revision->ID ) ) continue; $is_autosave = wp_is_post_autosave( $revision ); if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) ) continue; $rows .= "\t
  • " . wp_post_revision_title_expanded( $revision ) . "
    • \n"; } echo "

    " . __( 'JavaScript must be enabled to use this feature.' ) . "

    \n"; echo "