What is the difference between using $_POST and $_REQUEST in PHP?

The main difference between using $_POST and $_REQUEST in PHP is that $_POST is used to collect form data sent with the POST method, while $_REQUEST can collect data sent with both the GET and POST methods. It is generally recommended to use $_POST when specifically handling form submissions to improve security and clarity in your code. 

// Using $_POST to collect form data
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $username = $_POST["username"];
    $password = $_POST["password"];
    
    // Process form data
}

Keywords

$_POST $_REQUEST PHP superglobal data retrieval

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