随机打乱数组、字符串PHP函数运用测试

 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 ) 
shuffle($arr);

print_r($arr);
//Array ( [0] => 3 [1] => 4 [2] => 1 [3] => 2 [4] => 6 [5] => 5 ) 


//随机打乱字符串
$str = 'abcdef';

echo $str;
//abcdef

$stred = str_shuffle($str);

echo $stred;
//dbafec

?>