function FileStorage::listAll

Overrides StorageInterface::listAll

File

core/lib/Drupal/Core/Config/FileStorage.php, line 211

Class

FileStorage

Defines the file storage.

Namespace

Code

public function listAll($prefix = '') {
    $dir = $this->getCollectionDirectory();
    if (!is_dir($dir)) {
        return [];
    }
    $extension = '.' . static::getFileExtension();
    // glob() directly calls into libc glob(), which is not aware of PHP stream
    // wrappers. Same for \GlobIterator (which additionally requires an absolute
    // realpath() on Windows).
    // @see https://github.com/mikey179/vfsStream/issues/2
    $files = scandir($dir);
    $names = [];
    $pattern = '/^' . preg_quote($prefix, '/') . '.*' . preg_quote($extension, '/') . '$/';
    foreach ($files as $file) {
        if ($file[0] !== '.' && preg_match($pattern, $file)) {
            $names[] = basename($file, $extension);
        }
    }
    return $names;
}