original_string: protected function isInterface(PHP_CodeSniffer_File $phpcsFile) {
          $checkFile = "". $phpcsFile->getFilename();
          if (isset($this->isFileInterface[$checkFile])) {
              return (bool) $this->isFileInterface[$checkFile];
          }
  
          $interface = $phpcsFile->findNext(T_INTERFACE, 0);
  
          return $this->isFileInterface[$checkFile] = (bool)(empty($interface) == false);
      }
code: protected function isInterface(PHP_CodeSniffer_File $phpcsFile) {
          $checkFile = "". $phpcsFile->getFilename();
          if (isset($this->isFileInterface[$checkFile])) {
              return (bool) $this->isFileInterface[$checkFile];
          }
  
          $interface = $phpcsFile->findNext(T_INTERFACE, 0);
  
          return $this->isFileInterface[$checkFile] = (bool)(empty($interface) == false);
      }
code_tokens: protected function isInterface ( PHP_CodeSniffer_File $ phpcsFile ) { $ checkFile = "" . $ phpcsFile -> getFilename ( ) ; if ( isset ( $ this -> isFileInterface [ $ checkFile ] ) ) { return ( bool ) $ this -> isFileInterface [ $ checkFile ] ; } $ interface = $ phpcsFile -> findNext ( T_INTERFACE , 0 ) ; return $ this -> isFileInterface [ $ checkFile ] = ( bool ) ( empty ( $ interface ) == false ) ; }
docstring: Test if this a PHP Interface File
  
  @param PHP_CodeSniffer_File $phpcsFile
  
  @return bool
docstring_tokens: Test if this a PHP Interface File