Only allow Heading, Image, List, and Paragraph blocks
function allow_specific_blocks( $allowed_block_types, $block_editor_context ) { return array( 'core/heading', 'core/image', 'core/list', 'core/paragraph', ); } add_filter( 'allowed_block_types_all', 'allow_specific_blocks', 10, 2 );
Allows more blocks for Admins or Editors and restricts other users
function allow_blocks_for_specific_roles( $allowed_block_types, $block_editor_context ) { if ( ! current_user_can( 'publish_pages' ) ) { return array( 'core/heading', 'core/image', 'core/list', 'core/paragraph', ); } return true; // Allow all blocks for users who can publish pages. } add_filter( 'allowed_block_types_all', 'allow_blocks_for_specific_roles', 10, 2 );
For More: https://developer.wordpress.org/news/2024/01/29/how-to-disable-specific-blocks-in-wordpress/