php打乱数组二维数组、多维数组

//这个是针对二维数组的!下面针对多维数组的乱序方法<?php
function shuffle_assoc($list) {
  if (!is_array($list)) return $list;
  $keys = array_keys($list);
  shuffle($keys);
  $random = array();
  foreach ($keys as $key)
    $random[$key] = $list[$key];
  return $random;
}
?>

//以下函数也是出自php手册，可以打乱多维数组
unction rec_assoc_shuffle($array)
{
  $ary_keys = array_keys($array);
  $ary_values = array_values($array);
  shuffle($ary_values);
  foreach($ary_keys as $key => $value) {
    if (is_array($ary_values[$key]) AND $ary_values[$key] != NULL) {
      $ary_values[$key] = rec_assoc_shuffle($ary_values[$key]);
    }
    $new[$value] = $ary_values[$key];
  }
  return $new;
}