yii\helpers\BaseFileHelper::normalizeOptions PHP Метод

    private static function normalizeOptions(array $options)
    {
        if (!array_key_exists('caseSensitive', $options)) {
            $options['caseSensitive'] = true;
        }
        if (isset($options['except'])) {
            foreach ($options['except'] as $key => $value) {
                if (is_string($value)) {
                    $options['except'][$key] = self::parseExcludePattern($value, $options['caseSensitive']);
                }
            }
        }
        if (isset($options['only'])) {
            foreach ($options['only'] as $key => $value) {
                if (is_string($value)) {
                    $options['only'][$key] = self::parseExcludePattern($value, $options['caseSensitive']);
                }
            }
        }
        return $options;
    }