<?php
namespace Yoast\WP\SEO\User_Meta\Infrastructure;
/**
* Repository going into the database to clean up.
*/
class Cleanup_Repository {
/**
* Deletes empty usermeta based on their meta_keys and returns the number of the deleted meta.
*
* @param array<string> $meta_keys The meta to be potentially deleted.
* @param int $limit The number of maximum deletions.
*
* @return int|false The number of rows that was deleted or false if the query failed.
*/
public function delete_empty_usermeta_query( $meta_keys, $limit ) {
global $wpdb;
// phpcs:disable WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber -- Reason: we're passing an array instead.
$delete_query = $wpdb->prepare(
'DELETE FROM %i
WHERE meta_key IN ( ' . \implode( ', ', \array_fill( 0, \count( $meta_keys ), '%s' ) ) . ' )
AND meta_value = ""
ORDER BY user_id
LIMIT %d',
\array_merge( [ $wpdb->usermeta ], $meta_keys, [ $limit ] )
);
// phpcs:enable
// phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching -- Reason: No relevant caches.
// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery -- Reason: Most performant way.
// phpcs:disable WordPress.DB.PreparedSQL.NotPrepared -- Reason: Is it prepared already.
return $wpdb->query( $delete_query );
// phpcs:enable
}
}