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?>