amp_post_template_meta_parts This hook has been deprecated. apply_filters( 'amp_post_template_meta_parts', string[] ) Description # Filters the template parts to load in the meta area of the AMP legacy post template from before v0.4. Parameters # Templates to load. Source # File: back-compat/templates-v0-3/single.php Changelog # Changelog Version Description 0.2 Introduced.