php刪除cookie的方法:1、將cookie的值設(shè)置為空,語句為“setcookie('cookiename', '')或者setcookie(cookiename, null);”;2、將cookie的過期時間設(shè)置為“過去”。
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php刪除/清除cookie的兩種方法
php清楚cookie有兩種方法,第一種方法是將cookie的值設(shè)置為空,第二種方法是直接把cookie的過期時間設(shè)置為過去,本文章向大家介紹php通過這兩種方法刪除cookie的實(shí)例,需要的朋友可以參考一下。
php刪除/清除cookie的兩種方法
將cookie的值設(shè)置為空,即:setcookie('cookiename', '')或者setcookie(cookiename, null);
將cookie的過期時間設(shè)置為過去,即:setcookie('cookiename','',time()-3600);
方法一:將cookie的值設(shè)置為空
<?phpsetcookie ( "cookie_user", "test", time () 60 * 60 * 24 * 30 );setcookie ( "cookie_pass", md5 ( "test" ), time () 60 * 60 * 24 * 30 );function logout() { setcookie ( "cookie_user", "", time () 60 * 60 * 24 * 30 ); setcookie ( "cookie_pass", "", time () 60 * 60 * 24 * 30 );}/* http://www.manongjc.com/article/1253.html */logout ();echo $_cookie ['cookie_user'] . "<br />";echo "you have successfully logged out.";?>
第二種方法:將cookie的過期時間設(shè)置為過去
<?phpsetcookie ( "cookie_user", "test", time () 60 * 60 * 24 * 30 );setcookie ( "cookie_pass", md5 ( "test" ), time () 60 * 60 * 24 * 30 );function logout() { setcookie ( "cookie_user", "test", time () - 100 ); setcookie ( "cookie_pass", md5 ( "test" ), time () - 100 );}logout ();echo $_cookie ['cookie_user'] . "<br />";echo "you have successfully logged out.";?>