How can variables passed via post be processed in PHP?

To process variables passed via POST in PHP, you can access them through the $_POST superglobal array. This array contains key-value pairs where the keys are the names of the form fields and the values are the data entered by the user. You can then use this data in your PHP script for processing, validation, or storing in a database. 

// Example of processing variables passed via POST in PHP
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $username = $_POST['username'];
    $password = $_POST['password'];

    // Process the data further (e.g. validate, store in database)
}

Keywords

POST method PHP variables form data $_POST superglobal data processing

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