/** * Get the name pattern to pass to the file finder. * * @since 0.1.3 * * @param array $criteria Criteria to match. * @param string $extension Extension to match. * * @return string Name pattern to pass to the file finder. */ protected function getNamePattern(array $criteria, $extension) { $names = []; $names[] = array_map(function ($criterion) use($extension) { $criterion = URIHelper::getFilename($criterion); return empty($extension) || URIHelper::hasExtension($criterion, $extension) ? $criterion : $criterion . $extension; }, $criteria)[0]; return $this->arrayToRegexPattern(array_unique($names)); }