<?php
class Curl {
  private $_ch;
  protected $opts;

  private function __construct($config)
  {
    $this->_ch = curl_init();
  }

  public static function init()
  {
    if(!function_exists('curl_version')
      || !in_array('curl', get_loaded_extensions())
      || !extension_loaded('curl')
    ) :
      throw new Exception("Please install / enable Curl on your server",400);
    endif;
    return new Curl(func_get_args());
  }

  public function send($url, $method = "GET", $data = array())
  {
    $opts["url"]    = $this->url;
    $opts["method"] = $this->method;
    $opts["data"]   = $this->data;
    $this->opts = array_replace_recursive($this->opts, $opts);
    curl_setopt_array($this->_ch, $this->opts);
    $resp = curl_exec($this->_ch);
    if($resp === FALSE) :
      if(ini_get('display_errors')) :
        throw new Exception('Curl Error: ' . curl_error($this->_ch),417);
      else :
        error_log('Curl Error: ' . curl_error($this->_ch));
      endif;
    endif;
    // $curl->getResponseHeader();
    // $curl->getResponseBody();
    return $resp;
  }

  private function __destruct()
  {
    curl_close($this->_ch);
  }
}