How to clear cookies in php

How to clear cookies in php

1. Use the function "setcookie()" to set the cookie value to empty or NULL;

//将cookie值设置为空
setcookie ("name", "");
//或者将cookie值设置null
setcookie ("name", null);

2. By setting the cookie expiration time to the past time, just set the third parameter of "setcookie()" to "time()-1".

setcookie ("name", "xiaoming", time() - 1);

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