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);
}
Sometimes the ca file cannot be found due to PHP version update or environment change. fix is easy
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 😝
The mailbox for receiving letters has exploded, and I don't want all the letters. Use PHP to clear the inbox. The following is the sample program I copied, with minor adjustments.
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