- var_dump: documentation ( source)
- sort: documentation ( source)
- array_walk: documentation ( source)
<?php
$arr1 = $arr2 = array(
/* 1 */ array( 'A' , 'C' , 'B' ),
/* 2 */ array( 'B' , 'A' , 'C' ),
);
array_walk($arr1, 'natsort');
var_dump($arr1);
foreach ($arr2 as &$a) {
sort($a);
}
var_dump($arr2);