HTTPSocket for login against REST

httpsocket.php

<?php
$HttpSocket = new HttpSocket();
    	
    	
    	// Set data
    	$data = array(
    			'username' => 'username',
    			'password' => 'password'
    	);

    	
    	// JSON encode data
    	$data = json_encode($data);
    	
    	// Set request options
    	$request = array(
    			'header' => array(
    					'Connection-Type' => 'application/json'
    			)
    	);
    	$results = $HttpSocket->post('https://example.com/rest/user/login', $data, $request);
?>