diff --git a/src/wp-includes/cron.php b/src/wp-includes/cron.php index 5538a58e7c..cd39a0899e 100644 --- a/src/wp-includes/cron.php +++ b/src/wp-includes/cron.php @@ -168,8 +168,19 @@ function wp_clear_scheduled_hook( $hook, $args = array() ) { $args = array_slice( func_get_args(), 1 ); } - while ( $timestamp = wp_next_scheduled( $hook, $args ) ) - wp_unschedule_event( $timestamp, $hook, $args ); + // This logic duplicates wp_next_scheduled() + // It's required due to a scenario where wp_unschedule_event() fails due to update_option() failing, + // and, wp_next_scheduled() returns the same schedule in an infinite loop. + $crons = _get_cron_array(); + if ( empty( $crons ) ) + return; + + $key = md5( serialize( $args ) ); + foreach ( $crons as $timestamp => $cron ) { + if ( isset( $cron[ $hook ][ $key ] ) ) { + wp_unschedule_event( $timestamp, $hook, $args ); + } + } } /**