从yii2中的电子邮件地址中提取数字部分

Question

I have an email address format like this - [e-mail] what i want to do is extract the ID part of this email like this - st15103 How can i do this using PHP string function ?

Answer 1

Just split on @ and get the first part ?

$id = array_shift( explode("@", " - [e-mail]") );