";function modify( $a){   foreach($a as &$v){      $v = 'dddddd';   }}modify(&$arr);//print_r($arr);echo memory_get_usage()."
";/* * 338344 * 343112 *//* * @2$arr = array_fill(1,100,'bbb');echo memory_get_usage()."
";function modify( &$a){   foreach($a as &$v){      $v = 'dddddd';   }}modify($arr);//print_r($arr);echo memory_get_usage()."
";/* *338312 *343064 *//* * @3 */$arr = array_fill(1,100,'bbb');echo memory_get_usage()."
";function modify( $a){   foreach($a as &$v){      $v = 'dddddd';   }   return $a;}$new = modify($arr);//print_r($new);echo memory_get_usage()."
";/* *338616 *348872 */?>