PHP Two-dimensional array custom sorting

<?php//a two-dimensional array custom sort function Array_sort ($arr, $keys, $type) {$keysvalue =array ();    $i = 0;        foreach ($arr 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 ($keysvalue); Key value sort reset ($keysvalue);    The pointer re-points to the array first foreach ($keysvalue as $key + = $vals) {$keysort [] = $key;    } $new _array = Array ();        if ($type! = "ASC") {for ($ii =count ($keysort)-1; $ii >=0; $ii-) {$new _array[] = $arr [$keysort [$ii]];        }}else{for ($ii =0; $ii <count ($keysort); $ii + +) {$new _array[] = $arr [$keysort [$ii]]; }} return $new _array;}                $arr = Array (' name ' = ' learning ', ' size ' = ' 1235 ', ' Type ' = ' jpe ', ' time ' = ' 1921-11-13 ', ' CLass ' + ' DD ',), Array (' name ' = ' Chinese Kung fu ', ' size '                = ' 153 ', ' type ' = ' jpe ', ' time ' = ' 2005-11-13 ',                ' Class ' = ' JJ ', ', ' Array (' name ' = ' programming '), ' Size ' = ' + ', ' type ' = ' gif ', ' time ' and ' 1997-11                -13 ', ' class ' = ' dd ', ', ' Array (' name ' = ' Chinese Kung Fu '),     ' Size ' = ' + ', ' type ' = ' jpe ', ' time ' = ' 1925-02-13 ', ' class ' = ' yy ', '), Echo ' <pre> ';p rint_r (Array_sort ($arr, ' size ' ASC '), function Syssortarray ($ArrayData, $KeyName 1, $SortOrder 1 = "Sort_asc", $SortType 1 = "Sort_regular") {if (!is_     Array ($ArrayData)) {   return $ArrayData;    }//Get args number.    $ArgCount = Func_num_args ();    Get keys to sort by and put them to sortrule array.        for ($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 $KeyName) {${$Key        name}[$Key] = $Info [$KeyName];    }} $EvalString = ' Array_multisort ('. Join (",", $SortRule). ', $ArrayData);    eval ($EvalString); return $ArrayData;}? >

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