plugin to restrict page content wordpress code example

Example 1: wordpress restrict blocks

<?php
function my_gutenberg_blocks() {
  return array(
    'core/paragraph',
    'core/image',
    'core/gallery',
    'core/table',
  );
}
add_filter( 'allowed_block_types', 'my_gutenberg_blocks' );

Example 2: wordpress restrict blocks

core/shortcode
core/image
core/gallery
core/heading
core/quote
core/embed
core/list
core/separator
core/more
core/button
core/pullquote
core/table
core/preformatted
core/code
core/html
core/freeform
core/latest-posts
core/categories
core/cover-image
core/text-columns
core/verse
core/video
core/audio
core/block
core/paragraph

core-embed/twitter
core-embed/youtube
core-embed/facebook
core-embed/instagram
core-embed/wordpress
core-embed/soundcloud
core-embed/spotify
core-embed/flickr
core-embed/vimeo
core-embed/animoto
core-embed/cloudup
core-embed/collegehumor
core-embed/dailymotion
core-embed/funnyordie
core-embed/hulu
core-embed/imgur
core-embed/issuu
core-embed/kickstarter
core-embed/meetup-com
core-embed/mixcloud
core-embed/photobucket
core-embed/polldaddy
core-embed/reddit
core-embed/reverbnation
core-embed/screencast
core-embed/scribd
core-embed/slideshare
core-embed/smugmug
core-embed/speaker
core-embed/ted
core-embed/tumblr
core-embed/videopress
core-embed/wordpress-tv