PHP Script for WordPress Backup and Restore.

This PHP script allows you to generate a backup of your WordPress website and restore it when needed. Please note that shell execution needs to be enabled for PHP.

How to use:

To use this script, please follow these steps:

Upload the backup.php file to your WordPress instance directory.
In the terminal, run the following command: php backup.php. Alternatively, you can visit YourDomain.com/backup.php.
Once the backup file is generated, download it to your local computer.

To restore the backup to a new host, please follow these steps:

Install a fresh WordPress on your new host. This will allow the restore.php file to use the database details to restore the backup.
Upload the locally downloaded backup file to the same directory where you installed the new WordPress. Alternatively, you can use wget to download the backup file.
Upload the restore.php file to the same directory.
In the terminal, run the following command: php restore.php.

Your restoration should now be complete.

Please note that you will need to update your DNS records to point to the new host. Once the changes have propagated globally, your site should be accessible.

If you find this script useful, please feel free to share it with your friends.

How it works:

What `backup.php` does

When executed, backup.php performs the following tasks:

Extracts the database credentials from the wp-config.php file.
Exports the database with the file name backup-wp-db-$random_string.sql.
Compresses all files with the file name backup-wp-files-$random_string.zip in the same directory.
Deletes the SQL file, as it is no longer needed and is already compressed under the zip file.

What `restore.php` does

When executed, restore.php performs the following tasks:

Renames the wp-config.php file to old-wp-config.php.
Deletes all files and folders that start with wp-, as well as the index.php and xmlrpc.php files.
Extracts backup-wp-files-$random_string.zip to the same directory.
Updates the wp-config.php file with the database credentials from the old-wp-config.php file.
Drops all tables from the fresh WordPress instance database and imports the new database SQL with the file name backup-wp-db-$random_string.sql.

That's it! Although code to remove the zip and SQL files is not included, you can manually remove them as they are no longer needed.

Credits

This code is created using ChatGPT and inspired from the article by Manoj: Read article: How to migrate WordPress manually but faster & better.

manoj-lk-code/php-script-for-wordpress-backup

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