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WordPress XML to Kirby

This script converts an XML file that has been exported in WordPress eXtended RSS (WXR) format to a flat file YAML structure for use with Kirby.

This version of the code is based on the original WPXML to Kirby script by Sally Lait with further modifications made by Stay Regular Media.

Requirements

Usage

composer require league/html-to-markdown

  • Modify your Wordpress core files (see below)
  • Create a Wordpress export file of your posts (or events)
  • Add your export directory and XML file to the variables up top.
  • Create the export directory on your server and CHMOD it 777 to ensure writeability localhost/wpxml-to-kirby/your-dir
  • Upload scripts to same folder as export directory localhost/wpxml-to-kirby
  • Run the script!

Modify Core Files

To include the featured image metadata in the XML file, the WordPress core export.php file must be modified.

  • Open up wp-admin/includes/export.php
  • Locate the following code around line 542-544:
<wp:post_type><?php echo wxr_cdata( $post->post_type ); ?></wp:post_type>
<wp:post_password><?php echo wxr_cdata( $post->post_password ); ?></wp:post_password>
<wp:is_sticky><?php echo intval( $is_sticky ); ?></wp:is_sticky>
  • Add the following code directly below the previous section:
<?php if ( has_post_thumbnail($post->ID) ) : ?>
<?php $image =  wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full') ?>
<wp:attachment_url><?php echo wxr_cdata( $image[0] ); ?></wp:attachment_url>
<?php endif; ?>

After this modification, the exported XML will include a link to the full-sized feature image.

You can also modify the get_post_thumbnail_id function to retrieve a link to another image size or include additional XML objects for multiple image sizes.

Bugs & Things To Do

  • Subdirectory names are missing accented characters, eg: “Adrien Tétar” generates the subdirectory “20160704-Adrien-Ttar”
  • Possibly use wp:post_name for correct page/subdirectory slug
  • Is Coverimage: the correct field name for the associated image?
  • Add export fields for speaker metadata wpcf-speaker-sort, wpcf-speaker-twitter, wpcf-speaker-instagram
  • HTML to Markdown removes line breaks, need to change %0D (CR) to <br> and set $converter->getConfig()->setOption('hard_break', true);

Release Notes

20200309 — The “Compositionally Challenged” Release

  • Updated HTML to Markdown for PHP to version 4.9.1
  • Added checks for items that do not have associated attachment_url data
  • Fixed missing space preceding Text: content

20200308 — The “Word Up” Release

  • Initial release based on the WPXML to Kirby script
  • Removed index-events.php for Modern Tribe’s The Event Calendar exports
  • Updated read me to describe this version of the script