PHP二维数组按照字段排序的三种方法！

方法一：

    /*二维数组排序
    * @param $multi_array 要排序的二维数组
    * @param $sort_key 要排序的二维数组字段
    * @param $sort 排序(0:asc;1:desc)
    *
    */
    function multi_array_sort($multi_array,$sort_key,$sort){
        $sort = $sort ? SORT_DESC : SORT_ASC;
        if(is_array($multi_array)){
            foreach ($multi_array as $row_array){
                if(is_array($row_array)){
                    $key_array[] = $row_array[$sort_key];
                }else{
                    return false;
                }
            }
        }else{
            return false;
        }
        array_multisort($key_array,$sort,$multi_array);
        return $multi_array;
    }

示例一：

$arr = array(
'd' => array('id' => 5, 'name' =>'f', 'age' => 7),
'b' => array('id' => 2,'name' => 'c','age' => 4),
'a' => array('id' => 8,'name' => 'a','age' => 5),
'c' => array('id' => 1,'name' => 'e','age' => 2)
); 
print_r(multi_array_sort($arr,'name',true));exit;

方法二：

 //二维数组排序， $arr是数据，$keys是排序的健值，$order是排序规则，1是升序，0是降序
function array_sort_by_any_row($arr, $keys, $order=0) {
    if (!is_array($arr)) return false; 
    $keysvalue = array();
    foreach($arr as $key => $val) {
        $keysvalue[$key] = $val[$keys];
    }
    $order ? arsort($keysvalue) : asort($keysvalue);
 
    reset($keysvalue);
    foreach($keysvalue as $key => $vals) {
        $keysort[$key] = $key;
    }
    $new_array = array();
    foreach($keysort as $key => $val) {
        $new_array[$key] = $arr[$val];
    }
    return $new_array;
} 

示例二：

$arr = array(
'd' => array('id' => 5, 'name' =>'f', 'age' => 7),
'b' => array('id' => 2,'name' => 'c','age' => 4),
'a' => array('id' => 8,'name' => 'a','age' => 5),
'c' => array('id' => 1,'name' => 'e','age' => 2)
); 
print_r(array_sort_by_any_row($arr,'name',true));exit;

方法三：

    
/**
*在某种程度上对二维数组进行排序，使用arraymultisort()函数。 
* sysSortArray($Array,"Key1","SORT_ASC","SORT_RETULAR","Key2"……)
* @author Chunsheng Wang <wwccss@263.net>
* @param数组$ArrayData将数组排序。
* @param字符串$KeyName1是第一个排序的条目。
* @param string $SortOrder1 the order to sort by("SORT_ASC"|"SORT_DESC")
* @param string $SortType1 the sort type("SORT_REGULAR"|"SORT_NUMERIC"|"SORT_STRING")
* @返回数组排序数组。

*/
function sysSortArray($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR")
{
    if(!is_array($ArrayData)){
        return $ArrayData;
    }
        $ArgCount = func_num_args();
    for($I = 1;$I < $ArgCount;$I ++){
        $Arg = func_get_arg($I);
        if(!@eregi("SORT",$Arg))
        {
            $KeyNameList[] = $Arg;
            $SortRule[] = '$'.$Arg;
        }else{
            $SortRule[] = $Arg;
        }
    }
    foreach($ArrayData AS $Key => $Info){
        foreach($KeyNameList AS $KeyName){
            ${$KeyName}[$Key] = $Info[$KeyName];
        }
    }
    $EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);';
    eval ($EvalString);
    return $ArrayData;
}

示例三：

$arr = array(
array(
'name' => '学习',
'size' => '1235',
'type' => 'jpe',
'time' => '1921-11-13',
'class' => 'D',
),
array(
'name' => '中国功夫',
'size' => '153',
'type' => 'jpe',
'time' => '2005-11-13',
'class' => 'J',
),
array(
'name' => '编程',
'size' => '35',
'type' => 'gif',
'time' => '1997-11-13',
'class' => 'A',
),
array(
'name' => '中国功夫',
'size' => '65',
'type' => 'jpe',
'time' => '1925-02-13',
'class' => 'D',
),
array(
'name' => '中国功夫',
'size' => '5',
'type' => 'icon',
'time' => '1967-12-13',
'class' => 'C',
),
);



echo "<pre>";print_r($arr);

 
//$temp = sysSortArray($arr,"class","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING");
//$temp = sysSortArray($arr,"class","SORT_DESC");//按class字段升降序：SORT_ASC，SORT_DESC
//$temp = sysSortArray($arr,"time","SORT_ASC");//按time字段日期大小升降序：SORT_ASC，SORT_DESC 
//$temp = sysSortArray($arr,"type","SORT_DESC");//按type字段升降序：SORT_ASC，SORT_DESC
//$temp = sysSortArray($arr,"size","SORT_ASC");//按size字段值大小升降序：SORT_ASC，SORT_DESC 注意：按照数字方式排序时 153 比 65 小
//$temp = sysSortArray($arr,"name","SORT_DESC");//按name字段中文字母升降序：SORT_ASC，SORT_DESC

$temp = sysSortArray($arr,"size","SORT_ASC","time","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING"); //组合情况
echo "<pre>";
print_r($temp);