wp-content/themes/twentytwentyfive/functions.php:159Callback function for the post format name block binding source.
string|void function twentytwentyfive_format_binding() { $post_format_slug = get_post_format(); if ( $post_format_slug && 'standard' !== $post_format_slug ) { return get_post_format_string( $post_format_slug ); } }Introduced in Twenty Twenty-Five 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentytwentyfive/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.