private function prepareConfigurationArray(array $configuration)
    {
        $pathConfiguration = [
            'dataPath',
            'templatePath',
            'resourcePath',
        ];
        foreach ($pathConfiguration as $key) {
            if (isset($configuration[$key])) {
                $configuration[$key] = rtrim($configuration[$key], '/') . '/';
            }
        }

        return $configuration;
    }
private function prepareConfigurationArray(array $configuration)
    {
        $pathConfiguration = [
            'dataPath',
            'templatePath',
            'resourcePath',
        ];
        foreach ($pathConfiguration as $key) {
            if (isset($configuration[$key])) {
                $configuration[$key] = rtrim($configuration[$key], '/') . '/';
            }
        }

        return $configuration;
    }
private function prepareConfigurationArray ( array $ configuration ) { $ pathConfiguration = [ 'dataPath' , 'templatePath' , 'resourcePath' , ] ; foreach ( $ pathConfiguration as $ key ) { if ( isset ( $ configuration [ $ key ] ) ) { $ configuration [ $ key ] = rtrim ( $ configuration [ $ key ] , '/' ) . '/' ; } } return $ configuration ; }
Prepare the configuration values

Append a slash at the end of directory configurations

@param array $configuration
@return array
Prepare the configuration values