I’m not GP, nor using PHP, but can highly recommend WagtailCMS: https://wagtail.org/ https://wagtail.org/ It’s based on Python/Django and has an excellent dev

I’m not GP, nor using PHP, but can highly recommend WagtailCMS: https://wagtail.org/ https://wagtail.org/ It’s based on Python/Django and has an excellent developer and user experience. They pay a lot of attention to detail, including a block-based content editor, similar to Gutenberg, and first class accessibility support.