二维数组按指定的键值排序

[php]代码库

/*
function:二维数组按指定的键值排序
author:www.phpernote.com
*/
function array_sort($array,$keys,$type='asc'){
	if(!isset($array) || !is_array($array) || empty($array)){
		return '';
	}
	if(!isset($keys) || trim($keys)==''){
		return '';
	}
	if(!isset($type) || $type=='' || !in_array(strtolower($type),array('asc','desc'))){
		return '';
	}
	$keysvalue=array();
	foreach($array as $key=>$val){
		$val[$keys] = str_replace('-','',$val[$keys]);
		$val[$keys] = str_replace(' ','',$val[$keys]);
		$val[$keys] = str_replace(':','',$val[$keys]);
		$keysvalue[] =$val[$keys];
	}
	asort($keysvalue); //key值排序
	reset($keysvalue); //指针重新指向数组第一个
	foreach($keysvalue as $key=>$vals) {
		$keysort[] = $key;
	}
	$keysvalue = array();
	$count=count($keysort);
	if(strtolower($type) != 'asc'){
		for($i=$count-1; $i>=0; $i--) {
			$keysvalue[] = $array[$keysort[$i]];
		}
	}else{
		for($i=0; $i<$count; $i++){
			$keysvalue[] = $array[$keysort[$i]];
		}
	}
	return $keysvalue;
}