public function getConfigFile($name, $required = true, $directory = 'config')
    {
        $sep = DIRECTORY_SEPARATOR;
        $path = rtrim($this->directory, $sep) . $sep . trim($directory, $sep) . $sep . $name;
        if (!file_exists($path)) {
            if ($required) {
                throw new \Exception("Config file '$path' does not exist");
            } else {
                return null;
            }
        }
        return $path;
    }
public function getConfigFile($name, $required = true, $directory = 'config')
    {
        $sep = DIRECTORY_SEPARATOR;
        $path = rtrim($this->directory, $sep) . $sep . trim($directory, $sep) . $sep . $name;
        if (!file_exists($path)) {
            if ($required) {
                throw new \Exception("Config file '$path' does not exist");
            } else {
                return null;
            }
        }
        return $path;
    }
public function getConfigFile ( $ name , $ required = true , $ directory = 'config' ) { $ sep = DIRECTORY_SEPARATOR ; $ path = rtrim ( $ this -> directory , $ sep ) . $ sep . trim ( $ directory , $ sep ) . $ sep . $ name ; if ( ! file_exists ( $ path ) ) { if ( $ required ) { throw new \ Exception ( "Config file '$path' does not exist" ) ; } else { return null ; } } return $ path ; }
Gets the filename for a config file

@param string $name
@param bool $required whether the file must exist. Default is `true`.
@param string $directory the name of the config directory. Default is `config`.
@return string|null the full path to the config file or `null` if $required
is set to `false` and the file does not exist
@throws \Exception
Gets the filename for a config file