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e3b46b25d3
git-svn-id: http://svn.automattic.com/wordpress/trunk@19712 1a063a9b-81f0-0310-95a4-ce76da25c4cd
268 lines
6.7 KiB
PHP
268 lines
6.7 KiB
PHP
<?php
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/**
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* WordPress Bookmark Administration API
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/**
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* Add a link to using values provided in $_POST.
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*
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* @since 2.0.0
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*
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* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
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*/
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function add_link() {
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return edit_link();
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}
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/**
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* Update or insert a link using values provided in $_POST.
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*
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* @since 2.0.0
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*
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* @param int $link_id Optional. ID of the link to edit.
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* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
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*/
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function edit_link( $link_id = 0 ) {
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if ( !current_user_can( 'manage_links' ) )
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wp_die( __( 'Cheatin’ uh?' ) );
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$_POST['link_url'] = esc_html( $_POST['link_url'] );
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$_POST['link_url'] = esc_url($_POST['link_url']);
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$_POST['link_name'] = esc_html( $_POST['link_name'] );
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$_POST['link_image'] = esc_html( $_POST['link_image'] );
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$_POST['link_rss'] = esc_url($_POST['link_rss']);
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if ( !isset($_POST['link_visible']) || 'N' != $_POST['link_visible'] )
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$_POST['link_visible'] = 'Y';
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if ( !empty( $link_id ) ) {
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$_POST['link_id'] = $link_id;
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return wp_update_link( $_POST );
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} else {
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return wp_insert_link( $_POST );
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}
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}
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/**
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* Retrieve the default link for editing.
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*
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* @since 2.0.0
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*
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* @return object Default link
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*/
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function get_default_link_to_edit() {
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if ( isset( $_GET['linkurl'] ) )
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$link->link_url = esc_url( $_GET['linkurl'] );
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else
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$link->link_url = '';
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if ( isset( $_GET['name'] ) )
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$link->link_name = esc_attr( $_GET['name'] );
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else
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$link->link_name = '';
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$link->link_visible = 'Y';
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return $link;
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}
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/**
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* Delete link specified from database
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*
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* @since 2.0.0
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*
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* @param int $link_id ID of the link to delete
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* @return bool True
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*/
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function wp_delete_link( $link_id ) {
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global $wpdb;
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do_action( 'delete_link', $link_id );
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wp_delete_object_term_relationships( $link_id, 'link_category' );
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$wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->links WHERE link_id = %d", $link_id ) );
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do_action( 'deleted_link', $link_id );
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clean_bookmark_cache( $link_id );
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return true;
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}
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/**
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* Retrieves the link categories associated with the link specified.
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*
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* @since 2.1.0
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*
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* @param int $link_id Link ID to look up
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* @return array The requested link's categories
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*/
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function wp_get_link_cats( $link_id = 0 ) {
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$cats = wp_get_object_terms( $link_id, 'link_category', array('fields' => 'ids') );
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return array_unique( $cats );
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}
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/**
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* Retrieve link data based on ID.
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*
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* @since 2.0.0
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*
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* @param int $link_id ID of link to retrieve
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* @return object Link for editing
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*/
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function get_link_to_edit( $link_id ) {
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return get_bookmark( $link_id, OBJECT, 'edit' );
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}
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/**
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* This function inserts/updates links into/in the database.
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*
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* @since 2.0.0
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*
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* @param array $linkdata Elements that make up the link to insert.
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* @param bool $wp_error Optional. If true return WP_Error object on failure.
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* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
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*/
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function wp_insert_link( $linkdata, $wp_error = false ) {
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global $wpdb;
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$defaults = array( 'link_id' => 0, 'link_name' => '', 'link_url' => '', 'link_rating' => 0 );
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$linkdata = wp_parse_args( $linkdata, $defaults );
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$linkdata = sanitize_bookmark( $linkdata, 'db' );
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extract( stripslashes_deep( $linkdata ), EXTR_SKIP );
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$update = false;
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if ( !empty( $link_id ) )
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$update = true;
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if ( trim( $link_name ) == '' ) {
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if ( trim( $link_url ) != '' ) {
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$link_name = $link_url;
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} else {
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return 0;
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}
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}
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if ( trim( $link_url ) == '' )
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return 0;
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if ( empty( $link_rating ) )
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$link_rating = 0;
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if ( empty( $link_image ) )
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$link_image = '';
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if ( empty( $link_target ) )
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$link_target = '';
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if ( empty( $link_visible ) )
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$link_visible = 'Y';
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if ( empty( $link_owner ) )
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$link_owner = get_current_user_id();
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if ( empty( $link_notes ) )
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$link_notes = '';
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if ( empty( $link_description ) )
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$link_description = '';
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if ( empty( $link_rss ) )
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$link_rss = '';
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if ( empty( $link_rel ) )
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$link_rel = '';
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// Make sure we set a valid category
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if ( ! isset( $link_category ) || 0 == count( $link_category ) || !is_array( $link_category ) ) {
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$link_category = array( get_option( 'default_link_category' ) );
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}
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if ( $update ) {
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if ( false === $wpdb->update( $wpdb->links, compact('link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_rating', 'link_rel', 'link_notes', 'link_rss'), compact('link_id') ) ) {
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if ( $wp_error )
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return new WP_Error( 'db_update_error', __( 'Could not update link in the database' ), $wpdb->last_error );
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else
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return 0;
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}
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} else {
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if ( false === $wpdb->insert( $wpdb->links, compact('link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss') ) ) {
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if ( $wp_error )
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return new WP_Error( 'db_insert_error', __( 'Could not insert link into the database' ), $wpdb->last_error );
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else
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return 0;
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}
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$link_id = (int) $wpdb->insert_id;
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}
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wp_set_link_cats( $link_id, $link_category );
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if ( $update )
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do_action( 'edit_link', $link_id );
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else
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do_action( 'add_link', $link_id );
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clean_bookmark_cache( $link_id );
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return $link_id;
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}
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/**
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* Update link with the specified link categories.
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*
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* @since 2.1.0
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*
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* @param int $link_id ID of link to update
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* @param array $link_categories Array of categories to
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*/
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function wp_set_link_cats( $link_id = 0, $link_categories = array() ) {
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// If $link_categories isn't already an array, make it one:
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if ( !is_array( $link_categories ) || 0 == count( $link_categories ) )
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$link_categories = array( get_option( 'default_link_category' ) );
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$link_categories = array_map( 'intval', $link_categories );
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$link_categories = array_unique( $link_categories );
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wp_set_object_terms( $link_id, $link_categories, 'link_category' );
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clean_bookmark_cache( $link_id );
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}
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/**
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* Update a link in the database.
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*
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* @since 2.0.0
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*
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* @param array $linkdata Link data to update.
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* @return int|WP_Error Value 0 or WP_Error on failure. The updated link ID on success.
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*/
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function wp_update_link( $linkdata ) {
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$link_id = (int) $linkdata['link_id'];
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$link = get_bookmark( $link_id, ARRAY_A );
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// Escape data pulled from DB.
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$link = add_magic_quotes( $link );
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// Passed link category list overwrites existing category list if not empty.
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if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
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&& 0 != count( $linkdata['link_category'] ) )
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$link_cats = $linkdata['link_category'];
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else
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$link_cats = $link['link_category'];
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// Merge old and new fields with new fields overwriting old ones.
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$linkdata = array_merge( $link, $linkdata );
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$linkdata['link_category'] = $link_cats;
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return wp_insert_link( $linkdata );
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}
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