What does @ mean?

What does @ mean $ dims = @ getimagesize ($ image)

What does @ In the middle mean?

Reply to discussion (solution)

The error message should be blocked. Despite blocking, the error is still

Suppress errors so that you can handle them by yourself.

Otherwise, the browser will output an unfriendly error prompt.

Http://php.net/manual/zh/language.operators.errorcontrol.php

PHP supports an error control operator :@. Before placing the expression in a PHP expression, any error information that may be generated by the expression is ignored. For more information, see the above link.

Http://www.baidu.com? Ie = UTF-8 & bs = php + % 40 & f = 8 & rsv_bp = 1 & rsv_spt = 3 & wd = php + % 40 & inputT = 0

Baidu yisuo

If @ is added, even if this method reports a notice or waring error, it will not be displayed on the page.