foreach ( self::getHandlers( $event ) as $hook ) {
// Turn non-array values into an array. (Can't use casting because of objects.)
if ( !is_array( $hook ) ) {
foreach ( self::getHandlers( $event ) as $hook ) {
// Turn non-array values into an array. (Can't use casting because of objects.)
if ( !is_array( $hook ) ) {