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);
}
Apache removed the Authorization Header, no solution can be seen in $_SERVER.
How to install PHP 7.1.7 on the old version of CentOS 5.11? An insfinit error occurred when compiling by myself. This article introduces my method.
I believe that many people are familiar with PHP trait, because Laravel can be seen everywhere, but I still write it and share it with those who are destined. PHP trait allows two different CLASS to use the same method. It not only reduces the complexity, but also allows the code to be reused. So it should be very convenient to put a Browser series function on Laravel's ViewServiceProvider 😝
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