In PHP, the `$_SELF` variable is a superglobal variable that contains the current script's filename. Using this variable, you can create a URL that refers to the current script, making it easy to redirect the user to another page on your website or integrate URL parameters.
Example 1:
Suppose you have a PHP script called `process.php`, and you want to create a URL that redirects the user back to the homepage. You could use the `$_SELF` variable to do this as follows:
Package/Library: There is no package or library required for this example. It's just vanilla PHP.
Example 2:
Another example of using `$_SELF` is to pass data to another page using URL parameters. Suppose you have a form in `index.php`, and you want to pass the form data to `process.php` to process it. You could create a URL with the form data as parameters using `$_SELF` as follows:
Then, in the `process.php` script, you can access the form data using the `$_POST` superglobal variable.
Package/Library:
There is no package or library required for this example. It's just vanilla PHP.
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