What is PHP session name?
What is PHP session name?
The session name references the name of the session, which is used in cookies and URLs (e.g. PHPSESSID ). It should contain only alphanumeric characters; it should be short and descriptive (i.e. for users with enabled cookie warnings).
How can I get current session id in PHP?
session_id() is used to get or set the session id for the current session. The constant SID can also be used to retrieve the current name and session id as a string suitable for adding to URLs.
What does the name sessions mean?
English (of Norman origin): habitational name from Soissons in northern France, named for the Gaulish tribe who once inhabited the area, and whose name is recorded in Latin documents in the form Suessiones, of uncertain derivation.
How does PHP generate session ID?
The session id is a random value generated when a session is started. The session id is stored as a cookie in the browser such that on subsequent visits the data stored in the session can be loaded and reused. This issue is about the session id (cookie value) and not about the session name (cookie name).
Where is session id stored?
cookies
Session IDs can be stored as cookies locally at the client end. When a request is made to the server, the server transmits the cookie containing the session ID. The server has stored the session ID and associated information from the last session and makes it available to the client if the session ID matches.
How is session id generated?
A session ID is a unique number that a Web site’s server assigns a specific user for the duration of that user’s visit (session). Every time an Internet user visits a specific Web site, a new session ID is assigned. Closing a browser and then reopening and visiting the site again generates a new session ID.
How do you set a session name?
You can update the session name by calling session_name() . //Set the session name session_name(‘newname’); //Start the session session_start(); If no argument is provided into session_name() then the current session name is returned.
Where does PHP store sessions?
PHP Session Start By default, session data is stored in the server’s /tmp directory in files that are named sess_ followed by a unique alphanumeric string (the session identifier).
Where does the session name come from in PHP?
Your session name by default comes from the php.ini variable ‘session.name’, and this is generally set to ‘PHPSESSID’. At each startup request time (as already mentioned) the session will be renamed to PHPSESSID unless you call session_name( ‘fObj’) before session_start() on every page, so page1:
When does the session variable end in PHP?
By default, session variables last until the user closes the browser. So; Session variables hold information about one single user, and are available to all pages in one application. Tip: If you need a permanent storage, you may want to store the data in a database. A session is started with the session_start () function.
What happens if I change the name of the session?
Note that changing session.name while a session is currently active will not update the name in any session cookie. The new name does not take effect until the next call to session_start (), and this requires that the current session, which was created with the previous value for session.name, be closed.
What’s the difference between a cookie and a PHP session?
A session is a way to store information (in variables) to be used across multiple pages. Unlike a cookie, the information is not stored on the users computer. What is a PHP Session?