original_string: protected function validateHandler($file, $extension = null)
      {
          if (empty($this->handler['validator'])) {
              throw new UnexpectedValueException($this->translation->text('Unknown handler'));
          }
  
          if (!empty($this->handler['extensions']) && isset($extension) && !in_array($extension, $this->handler['extensions'])) {
              throw new RuntimeException($this->translation->text('Unsupported file extension'));
          }
  
          if (isset($this->handler['filesize']) && filesize($file) > $this->handler['filesize']) {
              throw new RuntimeException($this->translation->text('File size exceeds %num bytes', array(
                  '%num' => $this->handler['filesize'])));
          }
  
          $result = $this->validator->run($this->handler['validator'], $file, $this->handler);
  
          if ($result !== true) {
              throw new UnexpectedValueException($result);
          }
  
          return true;
      }
code: protected function validateHandler($file, $extension = null)
      {
          if (empty($this->handler['validator'])) {
              throw new UnexpectedValueException($this->translation->text('Unknown handler'));
          }
  
          if (!empty($this->handler['extensions']) && isset($extension) && !in_array($extension, $this->handler['extensions'])) {
              throw new RuntimeException($this->translation->text('Unsupported file extension'));
          }
  
          if (isset($this->handler['filesize']) && filesize($file) > $this->handler['filesize']) {
              throw new RuntimeException($this->translation->text('File size exceeds %num bytes', array(
                  '%num' => $this->handler['filesize'])));
          }
  
          $result = $this->validator->run($this->handler['validator'], $file, $this->handler);
  
          if ($result !== true) {
              throw new UnexpectedValueException($result);
          }
  
          return true;
      }
code_tokens: protected function validateHandler ( $ file , $ extension = null ) { if ( empty ( $ this -> handler [ 'validator' ] ) ) { throw new UnexpectedValueException ( $ this -> translation -> text ( 'Unknown handler' ) ) ; } if ( ! empty ( $ this -> handler [ 'extensions' ] ) && isset ( $ extension ) && ! in_array ( $ extension , $ this -> handler [ 'extensions' ] ) ) { throw new RuntimeException ( $ this -> translation -> text ( 'Unsupported file extension' ) ) ; } if ( isset ( $ this -> handler [ 'filesize' ] ) && filesize ( $ file ) > $ this -> handler [ 'filesize' ] ) { throw new RuntimeException ( $ this -> translation -> text ( 'File size exceeds %num bytes' , array ( '%num' => $ this -> handler [ 'filesize' ] ) ) ) ; } $ result = $ this -> validator -> run ( $ this -> handler [ 'validator' ] , $ file , $ this -> handler ) ; if ( $ result !== true ) { throw new UnexpectedValueException ( $ result ) ; } return true ; }
docstring: Validates a file using a validator
  @param string $file
  @param string|null $extension
  @return bool
  @throws UnexpectedValueException
  @throws RuntimeException
docstring_tokens: Validates a file using a validator