public function file($file)
    {
        if (\in_array($file, ['global', 'system', 'local'])) {
            $this->arguments[] = '--' . $file;
        } else {
            $this->arguments[] = '--file';
            $this->arguments[] = $file;
        }
        return $this;
    }
public function file($file)
    {
        if (\in_array($file, ['global', 'system', 'local'])) {
            $this->arguments[] = '--' . $file;
        } else {
            $this->arguments[] = '--file';
            $this->arguments[] = $file;
        }
        return $this;
    }
public function file ( $ file ) { if ( \ in_array ( $ file , [ 'global' , 'system' , 'local' ] ) ) { $ this -> arguments [ ] = '--' . $ file ; } else { $ this -> arguments [ ] = '--file' ; $ this -> arguments [ ] = $ file ; } return $ this ; }
Specify a single config file that should be looked at.
Has special support for the global, system and local flags.

@param string $file The config file to use.

@return ConfigCommandBuilder
Specify a single config file that should be looked at . Has special support for the global system and local flags .