PHP Cookie&session Small Note

PHP cookie&session, there is a need for friends can refer to the next. ** Cookies ** 1. Create a cookie Setcookie (Name,value,expire,path,domain); The Setcookie function must precede the label; Eg:setcookie (User, "Zhuyumin", Time () +3600); Meaning: Create a user cookie that is assigned a value of Zhuyumin, which expires after one hour. 2. Retrieving the value of a cookie Cookieeg: _cookie["User"; Remove the value of the cookie user; cookie;//Remove the value of all cookies. 3. Determine if Cookieisset has been set ( _cookie["user")); 4. Delete Cookies Sets the expire of the cookie to the value of the past time. Eg:setcookie ("User", "", Time ()-3600); ** SESSION * The PHP session variable is used to store information about a user's session or to change settings for a user session. The Session variable holds information that is single-user and available to all pages in the application. The Session works by creating a unique ID (UID) for each visitor and storing the variables based on this UID. The UID is stored in a cookie or through a URL. Guide. Start session: Session_Start (); used in front of the label; Save Session:$_session (""); Terminate session Unset (); The Session_destroy () function deletes all saved session data.

Cookies, PHP, session

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