CurlVersion.php

<?php

namespace Guzzle\Http\Curl;


/**
 * Class used for querying curl_version data
 */
class CurlVersion {

  /**
   * @var array curl_version() information
   */
  protected $version;

  /**
   * @var CurlVersion
   */
  protected static $instance;

  /**
   * @var string Default user agent
   */
  protected $userAgent;

  /**
   * Get the singleton instance of the CurlVersion object
   *
   * @return CurlVersion
   */
  public static function getInstance() {
    if (!self::$instance) {
      self::$instance = new self();
    }
    return self::$instance;
  }

  /**
   * Get all of the curl_version() data
   *
   * @return array
   */
  public function getAll() {
    if (!$this->version) {
      $this->version = curl_version();
    }
    return $this->version;
  }

  /**
   * Get a specific type of curl information
   *
   * @param string $type Version information to retrieve. This value is one of:
   *     - version_number:     cURL 24 bit version number
   *     - version:            cURL version number, as a string
   *     - ssl_version_number: OpenSSL 24 bit version number
   *     - ssl_version:        OpenSSL version number, as a string
   *     - libz_version:       zlib version number, as a string
   *     - host:               Information about the host where cURL was built
   *     - features:           A bitmask of the CURL_VERSION_XXX constants
   *     - protocols:          An array of protocols names supported by cURL
   *
   * @return string|float|bool if the $type is found, and false if not found
   */
  public function get($type) {
    $version = $this
      ->getAll();
    return isset($version[$type]) ? $version[$type] : false;
  }

}