Table of Contents
Can I start multiple sessions in PHP?
The answer is “no”. You cannot start multiple sessions simultaneously. And if you do, you’ll get an error like “A session had already been started”. You don’t need to start simultaneous sessions, so long you can create multiple keys.
How can I session multiple pages in PHP?
To continue a session through PHP pages on login:
- You should store some data in session on login i.e asa your user is authenticated write. session_start(); $_SESSION[“userlogin”] = “usernameOfUser”
- On a new page wherever you want to continue the session. session_start(); //starts all the sessions.
- Where you wish to end.
What can I use instead of session in PHP?
The alternative to sessions is cookies (in fact, sessions are usually implemented using cookies). But cookies should only be used if you want to store small amounts of data. Sessions seem like the right solution for this.
Do I need session_start on every page?
It must be on every page you intend to use. The variables contained in the session—such as username and favorite color—are set with $_SESSION, a global variable. In this example, the session_start function is positioned after a non-printing comment but before any HTML.
How many ways can a session data be stored?
How many ways can a session data be stored? Explanation: Within flat files(files), within volatile memory(mm), using the SQLite database(sqlite), or through user defined functions(user). 3.
How is session included in PHP?
A PHP session is easily started by calling the session_start() function. This function first checks if a session is already started and if not, it starts one. PHP just started a session for us and using the superglobal associative array $_SESSION, it set the userid and username keys to 1 and Commonlounge respectively.
What is the alternative for session?
As two best options for session state alternative in ASP.NET, you can use cookies or Profile properties. Cookies could be a solution if you need to keep user’s data between sessions and store data on client side. Session data are lost when session expires, but cookies could persist on user’s computer.
Where should a session start () function appear?
Unless you have output buffering enabled, the session_start() must come before anything other than headers are sent to the browser (as it sets a cookie in the header). It must come before you attempt to reference the $_SESSION data.
Where must session start appear in PHP?
Discussion Forum
| Que. | The session_start() function must appear.. |
|---|---|
| b. | after the body tag |
| c. | before the body tag |
| d. | before the html tag |
| Answer:before the html tag |
How do I start a session in PHP?
A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let’s create a new page called “demo_session1.php”.
How to access session data from another page in PHP?
To access the session data we set on our previous example from any other page on the same web domain — simply recreate the session by calling session_start () and then pass the corresponding key to the $_SESSION associative array. The PHP code in the example above produce the following output.
How does session_start() function work?
The session_start () function first checks to see if a session already exists by looking for the presence of a session ID. If it finds one, i.e. if the session is already started, it sets up the session variables and if doesn’t, it starts a new session by creating a new session ID.
What is the use of session variable in PHP?
Session variables are global variables in PHP which are used to store information through multiple pages. 1. You should store some data in session on login i.e asa your user is authenticated write 2. On a new page wherever you want to continue the session 3. Where you wish to end the user session or say logout.