if ($_SERVER['REQUEST_METHOD'] == 'POST') { $username = $_POST['username']; $password = $_POST['password']; // Perform authentication logic }
$ch = curl_init(); curl_setopt($ch, CURLOPT_URL, 'https://api.example.com/data'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $data = curl_exec($ch); curl_close($ch); // Process $data variableThis code uses the cURL library to send an HTTP request to a remote API and retrieve the response data. It sets the URL of the API endpoint and configures the curl_exec() function to return the data as a string. Once the data is retrieved, it can be processed by the rest of the application. The package library used in these examples is PHP itself, as well as any additional libraries that are required for specific tasks (such as cURL for remote API access). Other popular PHP libraries for handling HTTP requests include Symfony HttpFoundation, Guzzle, and Zend Diactoros.