Is it advisable to use $_REQUEST instead of $_POST or $_GET when handling PHP parameters?

Using $_REQUEST is not advisable because it combines data from both $_POST and $_GET, which can lead to security vulnerabilities such as CSRF attacks. It is better to explicitly use $_POST or $_GET depending on the type of request being made. This ensures that the data source is clear and helps prevent unintended data manipulation. 

// Example of using $_POST instead of $_REQUEST
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $username = $_POST["username"];
    $password = $_POST["password"];
    
    // Process the data securely
}

Keywords

$_REQUEST $_POST $_GET PHP parameters handling

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