Which of the following are common uses of the $_REQUEST superglobal in PHP?
- Retrieving form data submitted through both GET and POST methods.
- Accessing session variables.
- Retrieving server environment variables.
- Executing SQL queries on the database.
The $_REQUEST superglobal is commonly used for retrieving form data submitted through both GET and POST methods. It provides a simple way to access user input without having to differentiate between the two methods. However, it is not used for accessing session variables, server environment variables, or executing SQL queries on the database. Learn more: https://www.php.net/manual/en/reserved.variables.request.php
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