WPML to Polylang

Import multilingual data from WPML into Polylang.

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Description

Features

  • Imports languages and WPML options (when the same options exist in Polylang)
  • Imports posts and terms languages as well as translations (including for custom post types and custom taxonomies)
  • Imports multilingual nav menus
  • Imports strings translations
  • Does not delete WPML data

Important

Although WPML data should not be corrupted, as Polylang data are created without deleting anything, make a database backup before proceeding.

How to proceed?

  • De-activate WPML
  • Activate Polylang and WPML to Polylang. Do not create any language with Polylang (they will be imported).
  • Go to Tools -> WPML Importer
  • If all checks are passed, you can click on ‘Import’
  • De-activate WPML to Polylang (you can even delete it)
  • Setup a language switcher either as a widget or in nav menus
  • Check that everything is OK
  • If something went wrong and you want to revert to WPML, you can delete Polylang using the red link in the Plugins table (You can delete all data created for Polylang by checking the relevant option in Languages> Settings > Tools before deleting Polylang) and then re-activate WPML

Notes

This plugin is still experimental and does not include error management. I however tested it successfully to migrate a site with about 9,000 posts and media from WPML 3.7. It was also tested on multisite.
As everything is processed in one unique step, big sites may require to tweak the PHP memory limit and MySQL buffer size.

Credits

The banner and icon were designed by Alex Lopez