Add PHP block template to content using wp_insert_post

I’ve modified serialize_block a bit: function serialize_block_template( $block ) { $block_content=””; if (isset($block[2])) { $index = 0; foreach ( $block[2] as $chunk ) { $block_content .= is_string( $chunk ) ? $chunk : serialize_block_template( $block[2][ $index++ ] ); } } return get_comment_delimited_block_content( $block[0], $block[1], $block_content ); } Disclaimer: could have some bugs, only tested it for … Read more

Modify the core/paragraph block

Very similar to your goal, I recently wanted to add a block-style to all existing blocks. I found that upon loading an editor page, I must wait for the WP editor JS data to populate before adding my styles, and AFAIK, there’s no callback hook for this. So I chose to add a not-so-elegant delay … Read more

gutenberg dynamic block is returning 404

The handle() method is being called by an add_action(‘enqueue_block_editor_assets, [$block, ‘handle’]) method along with all the other blocks. Here lies the problem. The register_block_type is being called too late. Try to call the function inside the init action hook. You can see an example in the shortcode block of the core.