original_string: private function checkCacheValid( $cacheFile )
  	{
  		if ( file_exists( $cacheFile ) && ( filemtime( $cacheFile ) >  filemtime( $this->filePath ) ) )
  		{
  			return true;
  		}
  
  		return false;
  	}
code: private function checkCacheValid( $cacheFile )
  	{
  		if ( file_exists( $cacheFile ) && ( filemtime( $cacheFile ) >  filemtime( $this->filePath ) ) )
  		{
  			return true;
  		}
  
  		return false;
  	}
code_tokens: private function checkCacheValid ( $ cacheFile ) { if ( file_exists ( $ cacheFile ) && ( filemtime ( $ cacheFile ) > filemtime ( $ this -> filePath ) ) ) { return true ; } return false ; }
docstring: Returns true if the cache file exists and is current.
  
  @param mixed $cacheFile
  @return bool
docstring_tokens: Returns true if the cache file exists and is current .