Just found a really useful module to provide a multi-value form element that wraps any number of form elements. https://www.drupal.org/project/multivalue_form_element
Got a bit stuck using it in a settings form to get the #default_value. 30 minutes of heavy Googling:
Attended the Hassell Inclusion 'Trends in Digital Accessibility for 2024' webinar last night. A phenomenal amount to take in, and absolutely packed with gems about accessibility and a good overview of the tech trends this year. The points that I felt were significant:
I'm currently migrating a Drupal 7 site, but the (somewhat naughty) PHP code embedded into some of the text fields isn't being removed by the Drupal 9 text format: it's being rendered as plain text, which is a potential massive security hole.
Had me stumped, as I was trying to avoid Regex, which isn't particularly reliable for dealing with HTML; XPath was also a dead end... essentially need to remove the <?php and ?> tags plus any code between them.
content_entity plugin only works if migrating site within an existing Drupal 8/9 site. If you need to use an external database from a D8/D9 site, you'll need the https://www.drupal.org/project/migrate_drupal_d8 module
Here's an example of migrating files (prior to migrating media items)
