php自定义函数实现二维数组排序功能

本文实例讲述了php自定义函数实现二维数组排序功能。分享给大家供大家参考，具体如下：

本文实例讲述了php自定义函数实现二维数组排序功能。分享给大家供大家参考，具体如下：

/**作用: 二维数组排序函数,支持多键名排序
 * 返回: 排序好的数组
 * 使用: array_msort(数组,需要排序的键名,排序方式);
 * 例子: array_msort($cflist,"chapter_orderid","SORT_ASC");
 * array_msort($arr,"name","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING");
 */
function array_msort($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR") {
 if(!is_array($ArrayData)) {
 return $ArrayData;
 }
 // 获取参数数量.
 $ArgCount = func_num_args();
 // 排序,并放置到SortRule数组
 for($i = 1;$i < $ArgCount;$i ++) {
 $Arg = func_get_arg($i);
 if(!eregi("SORT",$Arg)) {
 $KeyNameList[] = $Arg;
 $SortRule[] = '$'.$Arg;
 }
 else {
 $SortRule[] = $Arg;
 }
 }
 // Get the values according to the keys and put them to array.
 foreach($ArrayData AS $Key => $Info) {
 foreach($KeyNameList AS $KeyName) {
 ${$KeyName}[$Key] = $Info[$KeyName];
 }
 }
 // Create the eval string and eval it.
 $EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);';
 eval($EvalString);
 return $ArrayData;
}