wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php:1208Checks that the taxonomy is valid.
$taxonomystringbool protected function check_is_taxonomy_allowed( $taxonomy ) { $taxonomy_obj = get_taxonomy( $taxonomy ); if ( $taxonomy_obj && ! empty( $taxonomy_obj->show_in_rest ) ) { return true; } return false; }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.