function FileSystem::getDestinationFilename

Overrides FileSystemInterface::getDestinationFilename

File

core/lib/Drupal/Core/File/FileSystem.php, line 554

Class

FileSystem

Provides helpers to operate on files and stream wrappers.

Namespace

Code

public function getDestinationFilename($destination, $replace) {
    $basename = $this->basename($destination);
    if (!Unicode::validateUtf8($basename)) {
        throw new FileException(sprintf("Invalid filename '%s'", $basename));
    }
    if (file_exists($destination)) {
        switch ($replace) {
            case FileSystemInterface::EXISTS_REPLACE:
                // Do nothing here, we want to overwrite the existing file.
                break;
            case FileSystemInterface::EXISTS_RENAME:
                $directory = $this->dirname($destination);
                $destination = $this->createFilename($basename, $directory);
                break;
            case FileSystemInterface::EXISTS_ERROR:
                // Error reporting handled by calling function.
                return FALSE;
        }
    }
    return $destination;
}