apply_filters( ‘wp_revisions_to_keep’, int $num, WP_Post $post )

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   Steven Lin 5 years ago

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   Example migrated from Codex:

   The example below sets the number of revisions for a theoretical post type ‘my_custom_post’.

   add_filter( 'wp_revisions_to_keep', 'filter_function_name', 10, 2 );
   
   function filter_function_name( $num, $post ) {
       
       if( 'my_custom_post' == $post->post_type ) {
           $num = 5;
       }
       return $num;
   }