PHP完整获取请求参数

/**
   * 获取请求类型
   * @time 2019-06-03 10:55
   * @return |null
   */
  public static function getContentType(){
      if (isset($_SERVER['CONTENT_TYPE'])) {
          return $_SERVER['CONTENT_TYPE'];
      }
      if (isset($_SERVER['HTTP_CONTENT_TYPE'])) {

          return $_SERVER['HTTP_CONTENT_TYPE'];
      }

      return null;
  }

  /**
   * 获取参数
   * @time 2019-06-03 11:37
   * @return array|mixed
   */
  public static function getBodyParams(){
      $rawContentType = self::getContentType();
      if (($pos = strpos($rawContentType, ';')) !== false) {
          $contentType = strtolower(substr($rawContentType, 0, $pos));
      } else {
          $contentType = strtolower($rawContentType);
      }
      $_bodyParams = [];
      $method =  isset($_SERVER['REQUEST_METHOD']) ? strtoupper($_SERVER['REQUEST_METHOD']) : 'GET';
      if('application/json' === $contentType){
          $_bodyParams = json_decode(file_get_contents('php://input'),true);
      }else if($method === 'POST'){
          $_bodyParams = $_POST ? $_POST : $GLOBALS['HTTP_RAW_POST_DATA'];
      }else if($method === 'GET'){
          $_bodyParams = $_GET;
      }else if($method === 'REQUEST'){
          $_bodyParams = $_REQUEST;
      }else{
          mb_parse_str(file_get_contents('php://input'), $_bodyParams);
      }
      return $_bodyParams;
  }