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8f8f433b3c
This provides direct links to install and activate the plugin, if the user has the capabilities to do so, instead of just linking to plugin search results. It also matches more closely the message about installing the Classic Editor plugin for meta boxes incompatible with the block editor. Follow-up to [22855], [44280], [45657]. Props tw2113, peterwilsoncc, SergeyBiryukov. Fixes #52669. Built from https://develop.svn.wordpress.org/trunk@51011 git-svn-id: http://core.svn.wordpress.org/trunk@50620 1a063a9b-81f0-0310-95a4-ce76da25c4cd
382 lines
11 KiB
PHP
382 lines
11 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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* Updates or inserts 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. Default 0.
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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( $link_id = 0 ) {
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if ( ! current_user_can( 'manage_links' ) ) {
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wp_die(
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'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
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'<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
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403
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);
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}
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$_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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}
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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( $_POST );
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}
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}
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/**
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* Retrieves the default link for editing.
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*
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* @since 2.0.0
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*
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* @return stdClass Default link object.
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*/
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function get_default_link_to_edit() {
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$link = new stdClass;
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if ( isset( $_GET['linkurl'] ) ) {
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$link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
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} else {
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$link->link_url = '';
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}
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if ( isset( $_GET['name'] ) ) {
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$link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
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} else {
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$link->link_name = '';
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}
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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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* Deletes a specified link from the database.
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*
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* @since 2.0.0
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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 $link_id ID of the link to delete
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* @return true Always 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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/**
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* Fires before a link is deleted.
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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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*/
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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->delete( $wpdb->links, array( 'link_id' => $link_id ) );
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/**
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* Fires after a link has been deleted.
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*
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* @since 2.2.0
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*
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* @param int $link_id ID of the deleted link.
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*/
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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 category IDs 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 int[] The IDs of 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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* Retrieves link data based on its ID.
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*
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* @since 2.0.0
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*
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* @param int|stdClass $link Link ID or object to retrieve.
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* @return object Link object for editing.
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*/
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function get_link_to_edit( $link ) {
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return get_bookmark( $link, OBJECT, 'edit' );
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}
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/**
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* Inserts a link into the database, or updates an existing link.
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*
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* Runs all the necessary sanitizing, provides default values if arguments are missing,
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* and finally saves the link.
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*
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* @since 2.0.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param array $linkdata {
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* Elements that make up the link to insert.
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*
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* @type int $link_id Optional. The ID of the existing link if updating.
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* @type string $link_url The URL the link points to.
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* @type string $link_name The title of the link.
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* @type string $link_image Optional. A URL of an image.
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* @type string $link_target Optional. The target element for the anchor tag.
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* @type string $link_description Optional. A short description of the link.
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* @type string $link_visible Optional. 'Y' means visible, anything else means not.
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* @type int $link_owner Optional. A user ID.
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* @type int $link_rating Optional. A rating for the link.
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* @type string $link_updated Optional. When the link was last updated.
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* @type string $link_rel Optional. A relationship of the link to you.
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* @type string $link_notes Optional. An extended description of or notes on the link.
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* @type string $link_rss Optional. A URL of an associated RSS feed.
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* @type int $link_category Optional. The term ID of the link category.
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* If empty, uses default link category.
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* }
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* @param bool $wp_error Optional. Whether to return a WP_Error object on failure. Default false.
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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(
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'link_id' => 0,
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'link_name' => '',
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'link_url' => '',
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'link_rating' => 0,
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);
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$parsed_args = wp_parse_args( $linkdata, $defaults );
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$parsed_args = wp_unslash( sanitize_bookmark( $parsed_args, 'db' ) );
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$link_id = $parsed_args['link_id'];
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$link_name = $parsed_args['link_name'];
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$link_url = $parsed_args['link_url'];
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$update = false;
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if ( ! empty( $link_id ) ) {
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$update = true;
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}
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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( $link_url ) ) {
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return 0;
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}
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$link_rating = ( ! empty( $parsed_args['link_rating'] ) ) ? $parsed_args['link_rating'] : 0;
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$link_image = ( ! empty( $parsed_args['link_image'] ) ) ? $parsed_args['link_image'] : '';
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$link_target = ( ! empty( $parsed_args['link_target'] ) ) ? $parsed_args['link_target'] : '';
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$link_visible = ( ! empty( $parsed_args['link_visible'] ) ) ? $parsed_args['link_visible'] : 'Y';
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$link_owner = ( ! empty( $parsed_args['link_owner'] ) ) ? $parsed_args['link_owner'] : get_current_user_id();
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$link_notes = ( ! empty( $parsed_args['link_notes'] ) ) ? $parsed_args['link_notes'] : '';
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$link_description = ( ! empty( $parsed_args['link_description'] ) ) ? $parsed_args['link_description'] : '';
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$link_rss = ( ! empty( $parsed_args['link_rss'] ) ) ? $parsed_args['link_rss'] : '';
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$link_rel = ( ! empty( $parsed_args['link_rel'] ) ) ? $parsed_args['link_rel'] : '';
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$link_category = ( ! empty( $parsed_args['link_category'] ) ) ? $parsed_args['link_category'] : array();
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// Make sure we set a valid category.
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if ( ! is_array( $link_category ) || 0 === count( $link_category ) ) {
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$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_owner', '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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}
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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.' ), $wpdb->last_error );
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} else {
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return 0;
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}
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}
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$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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/**
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* Fires after a link was updated in the 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 that was updated.
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*/
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do_action( 'edit_link', $link_id );
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} else {
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/**
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* Fires after a link was added to the 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 that was added.
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*/
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do_action( 'add_link', $link_id );
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}
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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 the link to update.
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* @param int[] $link_categories Array of link category IDs to add the link 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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}
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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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* Updates 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. See wp_insert_link() for accepted arguments.
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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 = wp_slash( $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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&& count( $linkdata['link_category'] ) > 0
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) {
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$link_cats = $linkdata['link_category'];
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} else {
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$link_cats = $link['link_category'];
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}
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// Merge old and new fields with new fields overwriting old ones.
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$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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/**
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* Outputs the 'disabled' message for the WordPress Link Manager.
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*
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* @since 3.5.0
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* @access private
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*
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* @global string $pagenow
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*/
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function wp_link_manager_disabled_message() {
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global $pagenow;
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if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) {
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return;
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}
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add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
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$really_can_manage_links = current_user_can( 'manage_links' );
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remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
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if ( $really_can_manage_links ) {
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$plugins = get_plugins();
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if ( empty( $plugins['link-manager/link-manager.php'] ) ) {
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if ( current_user_can( 'install_plugins' ) ) {
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$install_url = wp_nonce_url(
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self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ),
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'install-plugin_link-manager'
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);
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wp_die(
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sprintf(
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/* translators: %s: A link to install the Link Manager plugin. */
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__( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.' ),
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esc_url( $install_url )
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)
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);
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}
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} elseif ( is_plugin_inactive( 'link-manager/link-manager.php' ) ) {
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if ( current_user_can( 'activate_plugins' ) ) {
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$activate_url = wp_nonce_url(
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self_admin_url( 'plugins.php?action=activate&plugin=link-manager/link-manager.php' ),
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'activate-plugin_link-manager/link-manager.php'
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);
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wp_die(
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sprintf(
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/* translators: %s: A link to activate the Link Manager plugin. */
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__( 'Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.' ),
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esc_url( $activate_url )
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)
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);
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}
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}
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}
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wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
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}
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