getConfigurationFilePath() public method

Returns configuration file path.
public getConfigurationFilePath ( ) : null | string
return null | string
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 /**
  * Returns base path.
  *
  * @return string
  */
 private function getBasePath()
 {
     if ($configPath = $this->configurationLoader->getConfigurationFilePath()) {
         return realpath(dirname($configPath));
     }
     return realpath(getcwd());
 }