(PHP) Request Http without CURL

Request.php

<?php

namespace common\components;

class Request {

	public static function get($url, $data = null, $header = null) {
		return self::request("GET", $url, $data, $header);
	}

	public static function post($url, $data = null, $header = null) {
		return self::request("POST", $url, $data, $header);
	}

	/**
	 *
	 * @param string $method
	 *        	Metodo de petición, ie: POST, GET, PUT
	 * @param string $url
	 *        	Direccion del recurso a solicitar
	 * @param array $data
	 *        	Datos adjuntos al paquete, podria ser un array para FormData
	 * @param string $header
	 *        	Cabecera de la petición, ie: Content-type: application/Json - Por defecto: Content-type: application/x-www-form-urlencoded
	 */
	private static function request($method, $url, $data, $header) {
		$method = empty($method) ? "GET" : $method;
		$header = empty($header) ? "Content-type: application/x-www-form-urlencoded" : $header;
		
		$options = array(
			'https' => array(
				'method' => $method,
				'header' => $header,
				'content' => http_build_query($data)
			)
		);
		
		$context = stream_context_create($options);
		return file_get_contents($url, false, $context);
	}
}