Using WordPress ‘customize_themes_print_templates()’ PHP function
Prints JS templates for the theme-browsing UI in the Customizer.
HTTPS
Using WordPress ‘delete_blog_option()’ PHP function
Removes option by name for a given blog ID. Prevents removal of protected WordPress options.
Using WordPress ‘filter_default_metadata()’ PHP function
Filters into default_{§object_type}_metadata and adds in default value.
Using WordPress ‘do_block_editor_incompatible_meta_box()’ PHP function
Renders a “fake” meta box with an information message, shown on the block editor, when an incompatible meta box is found.