by Devin Yang
(This article was automatically translated.)

Published - 2 years ago ( Updated - 2 years ago )

Randomly generate four yards of English

 //產生隨機碼,預設四碼,約七百次會出現碰撞
function get_random_key($length = 4)
{
$permitted_chars = '1234567890abcdefghijklmnopqrstuvwxyxABCDEFGHIJKLMNOPQRSTUVWXYX';
return substr(str_shuffle($permitted_chars), 0, $length);
}

Tags: php

Devin Yang

Feel free to ask me, if you don't get it.:)

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