wp-includes/class-wp-textdomain-registry.php:286Returns possible language directory paths for a given text domain.
$domainstringstring[] private function get_paths_for_domain( $domain ) { $locations = array( WP_LANG_DIR . '/plugins', WP_LANG_DIR . '/themes', ); if ( isset( $this->custom_paths[ $domain ] ) ) { $locations[] = $this->custom_paths[ $domain ]; } return $locations; }Introduced in 6.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-textdomain-registry.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.