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5e10227d76
* `get_bookmark()` * `get_comment()` * `get_post()` * `get_children()` * `wp_get_recent_posts()` * `wp_get_post_revision()` * `wp_get_nav_menu_items()` Follow-up to [45710] for `get_term()`, [48507] for `wpdb::get_row()` and `wpdb::get_results()`. See #52627. Built from https://develop.svn.wordpress.org/trunk@50558 git-svn-id: http://core.svn.wordpress.org/trunk@50171 1a063a9b-81f0-0310-95a4-ce76da25c4cd
463 lines
15 KiB
PHP
463 lines
15 KiB
PHP
<?php
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/**
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* Link/Bookmark API
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*
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* @package WordPress
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* @subpackage Bookmark
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*/
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/**
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* Retrieve Bookmark data
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*
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* @since 2.1.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param int|stdClass $bookmark
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* @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
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* correspond to an stdClass object, an associative array, or a numeric array,
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* respectively. Default OBJECT.
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* @param string $filter Optional. How to sanitize bookmark fields. Default 'raw'.
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* @return array|object|null Type returned depends on $output value.
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*/
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function get_bookmark( $bookmark, $output = OBJECT, $filter = 'raw' ) {
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global $wpdb;
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if ( empty( $bookmark ) ) {
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if ( isset( $GLOBALS['link'] ) ) {
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$_bookmark = & $GLOBALS['link'];
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} else {
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$_bookmark = null;
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}
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} elseif ( is_object( $bookmark ) ) {
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wp_cache_add( $bookmark->link_id, $bookmark, 'bookmark' );
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$_bookmark = $bookmark;
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} else {
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if ( isset( $GLOBALS['link'] ) && ( $GLOBALS['link']->link_id == $bookmark ) ) {
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$_bookmark = & $GLOBALS['link'];
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} else {
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$_bookmark = wp_cache_get( $bookmark, 'bookmark' );
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if ( ! $_bookmark ) {
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$_bookmark = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->links WHERE link_id = %d LIMIT 1", $bookmark ) );
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if ( $_bookmark ) {
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$_bookmark->link_category = array_unique( wp_get_object_terms( $_bookmark->link_id, 'link_category', array( 'fields' => 'ids' ) ) );
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wp_cache_add( $_bookmark->link_id, $_bookmark, 'bookmark' );
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}
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}
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}
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}
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if ( ! $_bookmark ) {
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return $_bookmark;
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}
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$_bookmark = sanitize_bookmark( $_bookmark, $filter );
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if ( OBJECT === $output ) {
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return $_bookmark;
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} elseif ( ARRAY_A === $output ) {
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return get_object_vars( $_bookmark );
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} elseif ( ARRAY_N === $output ) {
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return array_values( get_object_vars( $_bookmark ) );
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} else {
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return $_bookmark;
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}
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}
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/**
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* Retrieve single bookmark data item or field.
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*
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* @since 2.3.0
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*
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* @param string $field The name of the data field to return.
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* @param int $bookmark The bookmark ID to get field.
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* @param string $context Optional. The context of how the field will be used.
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* @return string|WP_Error
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*/
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function get_bookmark_field( $field, $bookmark, $context = 'display' ) {
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$bookmark = (int) $bookmark;
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$bookmark = get_bookmark( $bookmark );
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if ( is_wp_error( $bookmark ) ) {
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return $bookmark;
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}
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if ( ! is_object( $bookmark ) ) {
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return '';
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}
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if ( ! isset( $bookmark->$field ) ) {
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return '';
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}
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return sanitize_bookmark_field( $field, $bookmark->$field, $bookmark->link_id, $context );
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}
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/**
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* Retrieves the list of bookmarks
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*
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* Attempts to retrieve from the cache first based on MD5 hash of arguments. If
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* that fails, then the query will be built from the arguments and executed. The
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* results will be stored to the cache.
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*
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* @since 2.1.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param string|array $args {
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* Optional. String or array of arguments to retrieve bookmarks.
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*
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* @type string $orderby How to order the links by. Accepts 'id', 'link_id', 'name', 'link_name',
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* 'url', 'link_url', 'visible', 'link_visible', 'rating', 'link_rating',
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* 'owner', 'link_owner', 'updated', 'link_updated', 'notes', 'link_notes',
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* 'description', 'link_description', 'length' and 'rand'.
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* When `$orderby` is 'length', orders by the character length of
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* 'link_name'. Default 'name'.
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* @type string $order Whether to order bookmarks in ascending or descending order.
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* Accepts 'ASC' (ascending) or 'DESC' (descending). Default 'ASC'.
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* @type int $limit Amount of bookmarks to display. Accepts any positive number or
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* -1 for all. Default -1.
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* @type string $category Comma-separated list of category IDs to include links from.
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* Default empty.
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* @type string $category_name Category to retrieve links for by name. Default empty.
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* @type int|bool $hide_invisible Whether to show or hide links marked as 'invisible'. Accepts
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* 1|true or 0|false. Default 1|true.
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* @type int|bool $show_updated Whether to display the time the bookmark was last updated.
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* Accepts 1|true or 0|false. Default 0|false.
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* @type string $include Comma-separated list of bookmark IDs to include. Default empty.
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* @type string $exclude Comma-separated list of bookmark IDs to exclude. Default empty.
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* @type string $search Search terms. Will be SQL-formatted with wildcards before and after
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* and searched in 'link_url', 'link_name' and 'link_description'.
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* Default empty.
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* }
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* @return object[] List of bookmark row objects.
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*/
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function get_bookmarks( $args = '' ) {
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global $wpdb;
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$defaults = array(
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'orderby' => 'name',
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'order' => 'ASC',
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'limit' => -1,
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'category' => '',
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'category_name' => '',
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'hide_invisible' => 1,
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'show_updated' => 0,
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'include' => '',
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'exclude' => '',
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'search' => '',
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);
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$parsed_args = wp_parse_args( $args, $defaults );
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$key = md5( serialize( $parsed_args ) );
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$cache = wp_cache_get( 'get_bookmarks', 'bookmark' );
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if ( 'rand' !== $parsed_args['orderby'] && $cache ) {
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if ( is_array( $cache ) && isset( $cache[ $key ] ) ) {
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$bookmarks = $cache[ $key ];
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/**
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* Filters the returned list of bookmarks.
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*
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* The first time the hook is evaluated in this file, it returns the cached
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* bookmarks list. The second evaluation returns a cached bookmarks list if the
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* link category is passed but does not exist. The third evaluation returns
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* the full cached results.
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*
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* @since 2.1.0
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*
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* @see get_bookmarks()
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*
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* @param array $bookmarks List of the cached bookmarks.
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* @param array $parsed_args An array of bookmark query arguments.
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*/
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return apply_filters( 'get_bookmarks', $bookmarks, $parsed_args );
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}
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}
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if ( ! is_array( $cache ) ) {
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$cache = array();
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}
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$inclusions = '';
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if ( ! empty( $parsed_args['include'] ) ) {
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$parsed_args['exclude'] = ''; // Ignore exclude, category, and category_name params if using include.
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$parsed_args['category'] = '';
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$parsed_args['category_name'] = '';
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$inclinks = wp_parse_id_list( $parsed_args['include'] );
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if ( count( $inclinks ) ) {
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foreach ( $inclinks as $inclink ) {
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if ( empty( $inclusions ) ) {
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$inclusions = ' AND ( link_id = ' . $inclink . ' ';
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} else {
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$inclusions .= ' OR link_id = ' . $inclink . ' ';
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}
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}
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}
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}
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if ( ! empty( $inclusions ) ) {
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$inclusions .= ')';
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}
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$exclusions = '';
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if ( ! empty( $parsed_args['exclude'] ) ) {
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$exlinks = wp_parse_id_list( $parsed_args['exclude'] );
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if ( count( $exlinks ) ) {
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foreach ( $exlinks as $exlink ) {
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if ( empty( $exclusions ) ) {
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$exclusions = ' AND ( link_id <> ' . $exlink . ' ';
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} else {
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$exclusions .= ' AND link_id <> ' . $exlink . ' ';
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}
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}
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}
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}
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if ( ! empty( $exclusions ) ) {
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$exclusions .= ')';
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}
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if ( ! empty( $parsed_args['category_name'] ) ) {
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$parsed_args['category'] = get_term_by( 'name', $parsed_args['category_name'], 'link_category' );
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if ( $parsed_args['category'] ) {
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$parsed_args['category'] = $parsed_args['category']->term_id;
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} else {
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$cache[ $key ] = array();
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wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
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/** This filter is documented in wp-includes/bookmark.php */
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return apply_filters( 'get_bookmarks', array(), $parsed_args );
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}
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}
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$search = '';
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if ( ! empty( $parsed_args['search'] ) ) {
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$like = '%' . $wpdb->esc_like( $parsed_args['search'] ) . '%';
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$search = $wpdb->prepare( ' AND ( (link_url LIKE %s) OR (link_name LIKE %s) OR (link_description LIKE %s) ) ', $like, $like, $like );
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}
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$category_query = '';
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$join = '';
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if ( ! empty( $parsed_args['category'] ) ) {
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$incategories = wp_parse_id_list( $parsed_args['category'] );
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if ( count( $incategories ) ) {
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foreach ( $incategories as $incat ) {
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if ( empty( $category_query ) ) {
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$category_query = ' AND ( tt.term_id = ' . $incat . ' ';
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} else {
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$category_query .= ' OR tt.term_id = ' . $incat . ' ';
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}
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}
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}
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}
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if ( ! empty( $category_query ) ) {
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$category_query .= ") AND taxonomy = 'link_category'";
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$join = " INNER JOIN $wpdb->term_relationships AS tr ON ($wpdb->links.link_id = tr.object_id) INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_taxonomy_id = tr.term_taxonomy_id";
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}
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if ( $parsed_args['show_updated'] ) {
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$recently_updated_test = ', IF (DATE_ADD(link_updated, INTERVAL 120 MINUTE) >= NOW(), 1,0) as recently_updated ';
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} else {
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$recently_updated_test = '';
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}
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$get_updated = ( $parsed_args['show_updated'] ) ? ', UNIX_TIMESTAMP(link_updated) AS link_updated_f ' : '';
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$orderby = strtolower( $parsed_args['orderby'] );
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$length = '';
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switch ( $orderby ) {
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case 'length':
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$length = ', CHAR_LENGTH(link_name) AS length';
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break;
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case 'rand':
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$orderby = 'rand()';
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break;
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case 'link_id':
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$orderby = "$wpdb->links.link_id";
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break;
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default:
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$orderparams = array();
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$keys = array( 'link_id', 'link_name', 'link_url', 'link_visible', 'link_rating', 'link_owner', 'link_updated', 'link_notes', 'link_description' );
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foreach ( explode( ',', $orderby ) as $ordparam ) {
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$ordparam = trim( $ordparam );
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if ( in_array( 'link_' . $ordparam, $keys, true ) ) {
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$orderparams[] = 'link_' . $ordparam;
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} elseif ( in_array( $ordparam, $keys, true ) ) {
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$orderparams[] = $ordparam;
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}
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}
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$orderby = implode( ',', $orderparams );
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}
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if ( empty( $orderby ) ) {
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$orderby = 'link_name';
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}
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$order = strtoupper( $parsed_args['order'] );
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if ( '' !== $order && ! in_array( $order, array( 'ASC', 'DESC' ), true ) ) {
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$order = 'ASC';
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}
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$visible = '';
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if ( $parsed_args['hide_invisible'] ) {
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$visible = "AND link_visible = 'Y'";
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}
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$query = "SELECT * $length $recently_updated_test $get_updated FROM $wpdb->links $join WHERE 1=1 $visible $category_query";
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$query .= " $exclusions $inclusions $search";
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$query .= " ORDER BY $orderby $order";
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if ( -1 != $parsed_args['limit'] ) {
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$query .= ' LIMIT ' . $parsed_args['limit'];
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}
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$results = $wpdb->get_results( $query );
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if ( 'rand()' !== $orderby ) {
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$cache[ $key ] = $results;
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wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
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}
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/** This filter is documented in wp-includes/bookmark.php */
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return apply_filters( 'get_bookmarks', $results, $parsed_args );
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}
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/**
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* Sanitizes all bookmark fields.
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*
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* @since 2.3.0
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*
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* @param stdClass|array $bookmark Bookmark row.
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* @param string $context Optional. How to filter the fields. Default 'display'.
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* @return stdClass|array Same type as $bookmark but with fields sanitized.
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*/
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function sanitize_bookmark( $bookmark, $context = 'display' ) {
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$fields = array(
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'link_id',
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'link_url',
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'link_name',
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'link_image',
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'link_target',
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'link_category',
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'link_description',
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'link_visible',
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'link_owner',
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'link_rating',
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'link_updated',
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'link_rel',
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'link_notes',
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'link_rss',
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);
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if ( is_object( $bookmark ) ) {
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$do_object = true;
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$link_id = $bookmark->link_id;
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} else {
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$do_object = false;
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$link_id = $bookmark['link_id'];
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}
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foreach ( $fields as $field ) {
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if ( $do_object ) {
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if ( isset( $bookmark->$field ) ) {
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$bookmark->$field = sanitize_bookmark_field( $field, $bookmark->$field, $link_id, $context );
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}
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} else {
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if ( isset( $bookmark[ $field ] ) ) {
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$bookmark[ $field ] = sanitize_bookmark_field( $field, $bookmark[ $field ], $link_id, $context );
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}
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}
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}
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return $bookmark;
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}
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/**
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* Sanitizes a bookmark field.
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*
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* Sanitizes the bookmark fields based on what the field name is. If the field
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* has a strict value set, then it will be tested for that, else a more generic
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* filtering is applied. After the more strict filter is applied, if the `$context`
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* is 'raw' then the value is immediately return.
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*
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* Hooks exist for the more generic cases. With the 'edit' context, the {@see 'edit_$field'}
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* filter will be called and passed the `$value` and `$bookmark_id` respectively.
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*
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* With the 'db' context, the {@see 'pre_$field'} filter is called and passed the value.
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* The 'display' context is the final context and has the `$field` has the filter name
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* and is passed the `$value`, `$bookmark_id`, and `$context`, respectively.
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*
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* @since 2.3.0
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*
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* @param string $field The bookmark field.
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* @param mixed $value The bookmark field value.
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* @param int $bookmark_id Bookmark ID.
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* @param string $context How to filter the field value. Accepts 'raw', 'edit', 'attribute',
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* 'js', 'db', or 'display'
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* @return mixed The filtered value.
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*/
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function sanitize_bookmark_field( $field, $value, $bookmark_id, $context ) {
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switch ( $field ) {
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case 'link_id': // ints
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case 'link_rating':
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$value = (int) $value;
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break;
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case 'link_category': // array( ints )
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$value = array_map( 'absint', (array) $value );
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// We return here so that the categories aren't filtered.
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// The 'link_category' filter is for the name of a link category, not an array of a link's link categories.
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return $value;
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case 'link_visible': // bool stored as Y|N
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$value = preg_replace( '/[^YNyn]/', '', $value );
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break;
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case 'link_target': // "enum"
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$targets = array( '_top', '_blank' );
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if ( ! in_array( $value, $targets, true ) ) {
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$value = '';
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}
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break;
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}
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if ( 'raw' === $context ) {
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return $value;
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}
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if ( 'edit' === $context ) {
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/** This filter is documented in wp-includes/post.php */
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$value = apply_filters( "edit_{$field}", $value, $bookmark_id );
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if ( 'link_notes' === $field ) {
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$value = esc_html( $value ); // textarea_escaped
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} else {
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$value = esc_attr( $value );
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}
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} elseif ( 'db' === $context ) {
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/** This filter is documented in wp-includes/post.php */
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$value = apply_filters( "pre_{$field}", $value );
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} else {
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/** This filter is documented in wp-includes/post.php */
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$value = apply_filters( "{$field}", $value, $bookmark_id, $context );
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if ( 'attribute' === $context ) {
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$value = esc_attr( $value );
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} elseif ( 'js' === $context ) {
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$value = esc_js( $value );
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}
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}
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return $value;
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}
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/**
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* Deletes the bookmark cache.
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*
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* @since 2.7.0
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*
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* @param int $bookmark_id Bookmark ID.
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*/
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function clean_bookmark_cache( $bookmark_id ) {
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wp_cache_delete( $bookmark_id, 'bookmark' );
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wp_cache_delete( 'get_bookmarks', 'bookmark' );
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clean_object_term_cache( $bookmark_id, 'link' );
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}
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