Move to Curl instead of file_get_contents

jsonrpc-client.class.php

<?php

// Create the client object
// $url = "https://scott.internal.web-ster.com/api/json-rpc/";
// $j   = new jsonrpc_client($url);

// Run the echo_data() function
// $a = $j->echo_data('one','two');

// if $a === null, there was some sort of error
// Examine: $j->last for raw error information

//////////////////////////////////////////////////////////////////////////////////

// Baker JSON-RPC client version 0.2
class jsonrpc_client {

	function __construct($url) {
		if (!preg_match("/^http/i",$url)) {
			return false;
		}

		$this->url        = $url;
		$this->breadcrumb = array();
		$this->last       = array();
	}

	function __get($name) {
		$this->breadcrumb[] = $name;

		return $this;
	}

	function __call($method,$args) {
			if (isset($this->breadcrumb) && sizeof($this->breadcrumb) > 0) {
				$method = join(".",$this->breadcrumb) . "." . $method;
			}

			$data = array('method' => $method, 'params' => $args, 'jsonrpc' => '2.0', 'id' => 1);
			$json = json_encode($data);

			$ch = curl_init();
			curl_setopt($ch, CURLOPT_URL,            $this->url);
			curl_setopt($ch, CURLOPT_POST,           true);  // Post not get
			curl_setopt($ch, CURLOPT_POSTFIELDS,     $json); // Raw JSON for POST
			curl_setopt($ch, CURLOPT_USERAGENT,      'Mozilla/5.0 (X11; Linux x86_64; rv:1.0) Baker/PHP-JSON-RPC 0.2');
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  // Return the string instead of printing it out
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // Don't check SSL certs
			curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 2);     // Timeout to connect
			curl_setopt($ch, CURLOPT_TIMEOUT,        5);     // Timeout waiting for a response

			$resp      = curl_exec($ch);
			$resp_info = curl_getinfo($ch);
			$http_code = $resp_info['http_code'];

			$this->breadcrumb = array();
			$ret  = json_decode($resp,true);

			// The JSON parsed corrected
			if ($ret != null) {
				$this->last = $ret;
			// Invalid JSON
			} else {
				$this->last = array(
					"protocol_error" => true,
					"http_code"      => $http_code,
					"error"          => [
						"message"      => $resp,
						'error_number' => 8360
					]
				);
			}

			if (empty($ret['result'])) {
				$ret = null;
			} else {
				$ret = $ret['result'];
			}

			return $ret;
		}
}