Can a session variable be an array?
Can a session variable be an array?
Yes, PHP supports arrays as session variables. See this page for an example. As for your second question: once you set the session variable, it will remain the same until you either change it or unset it.
What is Session variable PHP?
Session variables solve this problem by storing user information to be used across multiple pages (e.g. username, favorite color, etc). 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.
How do you pass session variables between pages in PHP?
Pass Variables to the Next Page in PHP
- Use GET and POST Through HTML Form.
- Use session and cookie.
How can I get session variable from another page in PHP?
session_start(); In the start of every page, or any PHP file that needs to have access to the session. The easiest way to do this, is have something like a header. php file and include/require this at the top of every page of your site or common pages.
Where Are session variables stored PHP?
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).
How does session work in PHP?
In PHP, a session provides a way to store web page visitor preferences on a web server in the form of variables that can be used across multiple pages. The information is retrieved from the web server when a session is opened at the beginning of each web page. The session expires when the web page is closed.
How do you pass variables between sessions in pages?
The session is an activity period where visitor’s data is stored and passed to following pages. We tell the PHP interpreter to start a session by defining session_start() at the beginning of every PHP file we want session to happen. Then we access the session variables using the $_SESSION[‘variable-name’] method.
How to use variable variables in PHP?
PHP allows you to use dynamic variable names , called variable variables. You can name a variable with the value stored in another variable. That is, one variable contains the name of another variable. For example, suppose you want to construct a variable named $city with the value Los Angeles. You can use the following statement:
What is variable scope in PHP?
The scope of a variable in PHP is the context in which the variable was created, and in which it can be accessed. Essentially, PHP has 2 scopes: Variable scope — and, in particular, local scope — make your code easier to manage.
What is the session ID in PHP?
Definition and Usage. Sessions or session handling is a way to make the data available across various pages of a web application.
What is a session in PHP?
What is a Session. A PHP session stores data on the server rather than user’s computer. In a session based environment, every user is identified through a unique number called session identifier or SID. This unique session ID is used to link each user with their own information on the server like emails, posts, etc.
