<?php

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/**

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* WPSEO plugin file.

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*

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* @package WPSEO\Admin

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*/

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if ( ! defined( 'WPSEO_VERSION' ) ) {

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header( 'Status: 403 Forbidden' );

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header( 'HTTP/1.1 403 Forbidden' );

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exit();

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}

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/**

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* Convenience function to JSON encode and echo results and then die.

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*

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* @param array $results Results array for encoding.

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*/

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function wpseo_ajax_json_echo_die( $results ) {

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// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.

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echo WPSEO_Utils::format_json_encode( $results );

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die();

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}

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/**

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* Function used from AJAX calls, takes it variables from $_POST, dies on exit.

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*/

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function wpseo_set_option() {

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if ( ! current_user_can( 'manage_options' ) ) {

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die( '-1' );

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}

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check_ajax_referer( 'wpseo-setoption' );

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$option = sanitize_text_field( filter_input( INPUT_POST, 'option' ) );

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if ( $option !== 'page_comments' ) {

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die( '-1' );

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}

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update_option( $option, 0 );

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die( '1' );

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}

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add_action( 'wp_ajax_wpseo_set_option', 'wpseo_set_option' );

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/**

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* Since 3.2 Notifications are dismissed in the Notification Center.

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*/

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add_action( 'wp_ajax_yoast_dismiss_notification', [ 'Yoast_Notification_Center', 'ajax_dismiss_notification' ] );

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/**

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* Function used to remove the admin notices for several purposes, dies on exit.

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*/

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function wpseo_set_ignore() {

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if ( ! current_user_can( 'manage_options' ) ) {

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die( '-1' );

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}

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check_ajax_referer( 'wpseo-ignore' );

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$ignore_key = sanitize_text_field( filter_input( INPUT_POST, 'option' ) );

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WPSEO_Options::set( 'ignore_' . $ignore_key, true );

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die( '1' );

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}

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add_action( 'wp_ajax_wpseo_set_ignore', 'wpseo_set_ignore' );

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/**

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* Save an individual SEO title from the Bulk Editor.

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*/

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function wpseo_save_title() {

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wpseo_save_what( 'title' );

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}

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add_action( 'wp_ajax_wpseo_save_title', 'wpseo_save_title' );

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/**

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* Save an individual meta description from the Bulk Editor.

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*/

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function wpseo_save_description() {

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wpseo_save_what( 'metadesc' );

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}

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add_action( 'wp_ajax_wpseo_save_metadesc', 'wpseo_save_description' );

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/**

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* Save titles & descriptions.

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*

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* @param string $what Type of item to save (title, description).

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*/

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function wpseo_save_what( $what ) {

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check_ajax_referer( 'wpseo-bulk-editor' );

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$new = filter_input( INPUT_POST, 'new_value' );

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$post_id = intval( filter_input( INPUT_POST, 'wpseo_post_id' ) );

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$original = filter_input( INPUT_POST, 'existing_value' );

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$results = wpseo_upsert_new( $what, $post_id, $new, $original );

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wpseo_ajax_json_echo_die( $results );

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}

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/**

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* Helper function to update a post's meta data, returning relevant information

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* about the information updated and the results or the meta update.

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*

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* @param int $post_id Post ID.

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* @param string $new_meta_value New meta value to record.

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* @param string $orig_meta_value Original meta value.

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* @param string $meta_key Meta key string.

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* @param string $return_key Return key string to use in results.

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*

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* @return string

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*/

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function wpseo_upsert_meta( $post_id, $new_meta_value, $orig_meta_value, $meta_key, $return_key ) {

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$post_id = intval( $post_id );

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$sanitized_new_meta_value = wp_strip_all_tags( $new_meta_value );

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$orig_meta_value = wp_strip_all_tags( $orig_meta_value );

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$upsert_results = [

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'status' => 'success',

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'post_id' => $post_id,

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"new_{$return_key}" => $sanitized_new_meta_value,

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"original_{$return_key}" => $orig_meta_value,

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];

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$the_post = get_post( $post_id );

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if ( empty( $the_post ) ) {

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$upsert_results['status'] = 'failure';

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$upsert_results['results'] = __( 'Post doesn\'t exist.', 'wordpress-seo' );

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return $upsert_results;

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}

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$post_type_object = get_post_type_object( $the_post->post_type );

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if ( ! $post_type_object ) {

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$upsert_results['status'] = 'failure';

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$upsert_results['results'] = sprintf(

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/* translators: %s expands to post type. */

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__( 'Post has an invalid Content Type: %s.', 'wordpress-seo' ),

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$the_post->post_type

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);

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return $upsert_results;

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}

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if ( ! current_user_can( $post_type_object->cap->edit_posts ) ) {

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$upsert_results['status'] = 'failure';

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$upsert_results['results'] = sprintf(

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/* translators: %s expands to post type name. */

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__( 'You can\'t edit %s.', 'wordpress-seo' ),

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$post_type_object->label

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);

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return $upsert_results;

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}

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if ( ! current_user_can( $post_type_object->cap->edit_others_posts ) && (int) $the_post->post_author !== get_current_user_id() ) {

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$upsert_results['status'] = 'failure';

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$upsert_results['results'] = sprintf(

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/* translators: %s expands to the name of a post type (plural). */

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__( 'You can\'t edit %s that aren\'t yours.', 'wordpress-seo' ),

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$post_type_object->label

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);

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return $upsert_results;

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}

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if ( $sanitized_new_meta_value === $orig_meta_value && $sanitized_new_meta_value !== $new_meta_value ) {

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$upsert_results['status'] = 'failure';

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$upsert_results['results'] = __( 'You have used HTML in your value which is not allowed.', 'wordpress-seo' );

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return $upsert_results;

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}

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$res = update_post_meta( $post_id, $meta_key, $sanitized_new_meta_value );

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$upsert_results['status'] = ( $res !== false ) ? 'success' : 'failure';

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$upsert_results['results'] = $res;

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return $upsert_results;

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}

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/**

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* Save all titles sent from the Bulk Editor.

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*/

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function wpseo_save_all_titles() {

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wpseo_save_all( 'title' );

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}

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add_action( 'wp_ajax_wpseo_save_all_titles', 'wpseo_save_all_titles' );

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/**

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* Save all description sent from the Bulk Editor.

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*/

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function wpseo_save_all_descriptions() {

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wpseo_save_all( 'metadesc' );

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}

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add_action( 'wp_ajax_wpseo_save_all_descriptions', 'wpseo_save_all_descriptions' );

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/**

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* Utility function to save values.

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*

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* @param string $what Type of item so save.

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*/

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function wpseo_save_all( $what ) {

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check_ajax_referer( 'wpseo-bulk-editor' );

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$results = [];

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if ( ! isset( $_POST['items'], $_POST['existingItems'] ) ) {

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wpseo_ajax_json_echo_die( $results );

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}

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$new_values = array_map( [ 'WPSEO_Utils', 'sanitize_text_field' ], wp_unslash( (array) $_POST['items'] ) );

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$original_values = array_map( [ 'WPSEO_Utils', 'sanitize_text_field' ], wp_unslash( (array) $_POST['existingItems'] ) );

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foreach ( $new_values as $post_id => $new_value ) {

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$original_value = $original_values[ $post_id ];

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$results[] = wpseo_upsert_new( $what, $post_id, $new_value, $original_value );

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}

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wpseo_ajax_json_echo_die( $results );

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}

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/**

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* Insert a new value.

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*

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* @param string $what Item type (such as title).

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* @param int $post_id Post ID.

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* @param string $new New value to record.

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* @param string $original Original value.

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*

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* @return string

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*/

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function wpseo_upsert_new( $what, $post_id, $new, $original ) {

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$meta_key = WPSEO_Meta::$meta_prefix . $what;

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return wpseo_upsert_meta( $post_id, $new, $original, $meta_key, $what );

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}

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/**

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* Retrieves the keyword for the keyword doubles.

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*/

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function ajax_get_keyword_usage() {

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$post_id = filter_input( INPUT_POST, 'post_id' );

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$keyword = filter_input( INPUT_POST, 'keyword' );

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if ( ! current_user_can( 'edit_post', $post_id ) ) {

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die( '-1' );

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}

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wp_die(

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// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.

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WPSEO_Utils::format_json_encode( WPSEO_Meta::keyword_usage( $keyword, $post_id ) )

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);

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}

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add_action( 'wp_ajax_get_focus_keyword_usage', 'ajax_get_keyword_usage' );

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/**

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* Retrieves the keyword for the keyword doubles of the termpages.

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*/

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function ajax_get_term_keyword_usage() {

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$post_id = filter_input( INPUT_POST, 'post_id' );

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$keyword = filter_input( INPUT_POST, 'keyword' );

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$taxonomy_name = filter_input( INPUT_POST, 'taxonomy' );

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$taxonomy = get_taxonomy( $taxonomy_name );

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if ( ! $taxonomy ) {

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wp_die( 0 );

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}

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if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {

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wp_die( -1 );

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}

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$usage = WPSEO_Taxonomy_Meta::get_keyword_usage( $keyword, $post_id, $taxonomy_name );

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// Normalize the result so it it the same as the post keyword usage AJAX request.

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$usage = $usage[ $keyword ];

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wp_die(

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// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: WPSEO_Utils::format_json_encode is safe.

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WPSEO_Utils::format_json_encode( $usage )

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);

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}

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add_action( 'wp_ajax_get_term_keyword_usage', 'ajax_get_term_keyword_usage' );

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/**

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* Registers hooks for all AJAX integrations.

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*

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* @return void

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*/

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function wpseo_register_ajax_integrations() {

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$integrations = [ new Yoast_Network_Admin() ];

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foreach ( $integrations as $integration ) {

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$integration->register_ajax_hooks();

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}

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}

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wpseo_register_ajax_integrations();

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new WPSEO_Shortcode_Filter();

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new WPSEO_Taxonomy_Columns();

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/* ********************* DEPRECATED FUNCTIONS ********************* */

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/**

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* Hides the default tagline notice for a specific user.

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*

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* @deprecated 13.2

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* @codeCoverageIgnore

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*/

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function wpseo_dismiss_tagline_notice() {

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if ( ! current_user_can( 'manage_options' ) ) {

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die( '-1' );

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}

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_deprecated_function( __FUNCTION__, 'WPSEO 13.2', 'This method is deprecated.' );

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wpseo_ajax_json_echo_die( '' );

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}

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