PHP 生成随机字符串

要使用PHP生成随机字符串，代码如下-

示例

<?php $res = substr(md5(mt_rand()), 0,5); echo "Displaying random string...\n"; echo $res; ?>

输出结果

Displaying random string... 1c856

示例

现在让我们来看另一个示例-

<?php $res = substr(md5(mt_rand()), 0,5); echo "Displaying random string...\n"; echo $res; echo "\nDisplaying another random string...\n"; $res2 = bin2hex(random_bytes(5)); echo $res2; ?>

输出结果

Displaying random string... a3541 Displaying another random string... 335b83d9e9