How do you use the $_REQUEST superglobal in PHP?
- By directly accessing the desired element in the $_REQUEST array using its key.
- By using the $_REQUEST array as an argument to a function.
- By assigning the value of an element in the $_REQUEST array to a local variable.
- By iterating over the elements in the $_REQUEST array using a loop.
To use the $_REQUEST superglobal in PHP, you can directly access the desired element in the $_REQUEST array using its key. For example, $_REQUEST['username'] retrieves the value of the 'username' input field submitted via a form. The $_REQUEST array is available in the global scope and combines data from various sources (GET, POST, and COOKIE). By accessing the appropriate key within the $_REQUEST array, you can retrieve the user input data. Learn more: https://www.php.net/manual/en/reserved.variables.request.php
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Related Quiz
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- Which of the following are true about the $_GET superglobal in PHP?
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- You need to process form data sent via the POST method in your PHP script. How would you do this using the $_POST superglobal?