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DK Site Migration Pro

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DK Site Migration Pro

by Dimitri kvachakhia

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Description

DK Site Migration Pro packages your entire WordPress site into one custom archive and restores it anywhere. It is built for real-world hosting: work is processed in small, resumable chunks so it never fails because of a low PHP time limit, small memory limit, or a disabled mysqldump.

What gets exported

  • All site files (uploads, plugins, themes and child themes, custom folders)
  • WordPress core files (optional)
  • The complete database, via a chunked PHP engine (no mysqldump required)
  • A manifest describing the source environment, plus per-entry and whole-archive checksums

What happens on import

  • The archive is validated (magic bytes, format version, checksums) before anything is written
  • A preflight checks PHP/WordPress versions and free disk space
  • Files extract to a staging area with strict path-traversal protection
  • The database loads into staging tables, then swaps in
  • URLs and server paths are rewritten everywhere — including inside PHP-serialized data — using a recursive engine that recomputes serialized string lengths, never a raw SQL replace

Safe by design

  • A dedicated capability plus nonces guard every action
  • Backups live in a protected directory with randomized filenames and an authenticated download handler
  • Secrets (database passwords, salts, tokens) are never written to logs or the archive manifest
  • Imports stage everything and swap late, with a rollback path if the swap fails

Privacy first

The plugin runs entirely on your own server. No site files, database content, or URLs are sent anywhere. Optional cloud storage is a separate, opt-in module and is disabled by default.

This is the free edition. A Pro edition adds unlimited archive size, cloud storage, scheduled and incremental backups, encryption, Multisite support, WP-CLI commands, and automatic rollback — all built on the same extension points, with no licensing logic baked into the core.

  1. Upload the kvachakhia-site-archive-restore folder to /wp-content/plugins/, or install the ZIP from Plugins Add New Upload.
  2. Activate the plugin through the Plugins screen.
  3. Open Site Migration in the admin menu.
  4. Visit System Information and run the environment self-test to confirm your server is ready.

Nginx note: the plugin writes Apache deny rules automatically. On Nginx, add a rule denying direct access to wp-content/uploads/ksar-backups/. Downloads always go through an authenticated handler regardless of server.

Does this require mysqldump or shell access?

No. The database export/import is a pure PHP engine that processes rows in chunks. mysqldump is only used as an optional fast path when your host allows it.

Will it break serialized data when changing domains?

No. Replacement is done in PHP with a recursive walker that unserializes, replaces, and reserializes so string lengths stay correct. It handles nested arrays, objects, JSON, page-builder data, and doubly-serialized values.

What is the .wpmigrate file?

A custom archive format owned by this plugin — not a renamed ZIP. It has its own header, table of contents, per-block checksums, and version gate, and is read only by the plugin.

Is my data sent anywhere?

No. Everything runs locally. Cloud features are opt-in and off by default.

1.0

  • Initial release. Full-site export to a single .wpmigrate archive and import/restore onto another WordPress install. Highlights: chunked, resumable export and import (no mysqldump required); a custom self-checksummed archive format with validation and corruption detection; serialized-safe URL and path search-and-replace that recomputes serialized string lengths (handles nested arrays, objects, JSON, page builders, WooCommerce, doubly-serialized data); automatic domain and table-prefix handling with a pre-import preview; safe extraction with directory-traversal protection; automatic rollback of files and database on failure; resilience to timeouts and WordPress maintenance mode; and an admin interface with Export, Import, Backups, Activity Logs, Settings, and System Information.
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