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3

If you need to modify the max depth, you could use the thread_comments_depth_max filter: /** * Set max comments depth to 15 on the discussion settings page */ add_filter( 'thread_comments_depth_max', function( $max ) { return 15; } ); then the dropdown on the discussion settings page will show the range 1 - 15. But I can imagine very deep comment ...


3

We could rewrite: wp_list_comments( array( 'callback' => 'bootstrap_comment_callback', )); with the null walker parameter: wp_list_comments( array( 'walker' => null, 'callback' => 'bootstrap_comment_callback', )); which means we are using the default Walker_Comment class: wp_list_comments( array( 'walker' ...



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