public function BackupDatabase::preRestore

Prepare a file for restoration.

This step is usually utilized to decompress a backup file.

Parameters

BackupFile $file: The file containing the backup to be restored. This is explicitly passed by reference to allow it to be reassigned to a new file if needed.

Return value

void:

Overrides Backup::preRestore

File

core/includes/backup/backup.database.inc, line 263

Functions to handle the direct to/from database backup source.

Class

BackupDatabase

A destination type for saving to a database server.

Code

public function preRestore(BackupFile &$file) {
  parent::preRestore($file);
  // Decompress the backup but leave the original file.
  if ($file->lastExtension() === 'gz') {
    $this->decompress($file, self::COMPRESSION_GZIP, FALSE);
    $file->popExtension();
  }
}