php二維數組，按照指定的key，去排序value值

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$arr = array(    ‘11‘=>array(        ‘a‘=>1,        ‘b‘=>2,    ),    ‘22‘=>array(        ‘a‘=>3,        ‘b‘=>4,    ),    ‘33‘=>array(        ‘a‘=>5,        ‘b‘=>6,    ));$data = $this->array_sort($arr,‘a‘,‘desc‘,‘yes‘);private function array_sort($arr,$keys,$orderby=‘asc‘,$key=‘no‘){    $keysvalue = $new_array = array();    foreach($arr as $k=>$v){        $keysvalue[$k] = $v[$keys];    }    if($orderby==‘asc‘){        asort($keysvalue);    }else{        arsort($keysvalue);    }    reset($keysvalue);    foreach($keysvalue as $k=>$v){        if($key==‘yes‘){            $new_array[$k] = $arr[$k];        }else{            $new_array[] = $arr[$k];        }    }    return $new_array;}

 

php二維數組，按照指定的key，去排序value值