original_string: public function isHandlingCoreError($env, $error = 0)
      {
          $this->swapArgs($env, $error, $this->running_env);
          return isset($this->errors[$env]) && (($this->errors[$env] & $error) === $error);
      }
code: public function isHandlingCoreError($env, $error = 0)
      {
          $this->swapArgs($env, $error, $this->running_env);
          return isset($this->errors[$env]) && (($this->errors[$env] & $error) === $error);
      }
code_tokens: public function isHandlingCoreError ( $ env , $ error = 0 ) { $ this -> swapArgs ( $ env , $ error , $ this -> running_env ) ; return isset ( $ this -> errors [ $ env ] ) && ( ( $ this -> errors [ $ env ] & $ error ) === $ error ) ; }
docstring: Returns whether errors of the given type are being handled
  
  Returns true when the given error -- one of the E_ERROR constants -- is one of
  the errors being handled. Otherwise false is returned.
  
  Uses the currently running environment when none is given.
  
  Examples:
  ```php
  $is_handled = $handler->isHandlingCoreError(E_WARNING);
  
  $is_handled = $handler->isHandlingCoreError("live", E_WARNING);
  ```
  
  @param  string|int $env   The environment to check
  @param  string|int $error The core error to check
  
  @return bool
docstring_tokens: Returns whether errors of the given type are being handled