2、PHP生成隨機字符串
當我們需要生成一個隨機名字,臨時密碼等字符串時可以用到下面的函數:
~~~
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, strlen($characters) - 1)];
}
return $randomString;
}
~~~
使用方法如下:
~~~
echo generateRandomString(20);
~~~