<?php
  /*
   * Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License").
   * You may not use this file except in compliance with the License.
   * A copy of the License is located at
   *
   *  http://aws.amazon.com/apache2.0
   *
   * or in the "license" file accompanying this file. This file is distributed
   * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
   * express or implied. See the License for the specific language governing
   * permissions and limitations under the License.
   */
  
  
  /*%******************************************************************************************%*/
  // CLASS
  
  /**
   * Contains a series of methods that provide information about the SDK.
   *
   * @version 2010.10.01
   * @license See the included NOTICE.md file for more information.
   * @copyright See the included NOTICE.md file for more information.
   * @link http://aws.amazon.com/php/ PHP Developer Center
   */
  class CFInfo
  {
  	/**
  	 * Gets information about the web service APIs that the SDK supports.
  	 *
  	 * @return array An associative array containing service classes and API versions.
  	 */
  	public static function api_support()
  	{
  		$existing_classes = get_declared_classes();
  
  		foreach (glob(dirname(dirname(__FILE__)) . '/services/*.class.php') as $file)
  		{
  			include $file;
  		}
  
  		$with_sdk_classes = get_declared_classes();
  		$new_classes = array_diff($with_sdk_classes, $existing_classes);
  		$filtered_classes = array();
  		$collect = array();
  
  		foreach ($new_classes as $class)
  		{
  			if (strpos($class, 'Amazon') !== false)
  			{
  				$filtered_classes[] = $class;
  			}
  		}
  
  		$filtered_classes = array_values($filtered_classes);
  
  		foreach ($filtered_classes as $class)
  		{
  			$obj = new $class();
  			$collect[get_class($obj)] = $obj->api_version;
  			unset($obj);
  		}
  
  		return $collect;
  	}
  }