wp-includes/class-wp-scripts.php:207Prints extra scripts of a registered script.
$handlestring$displaybooloptionaltruebool|string|null public function print_scripts_l10n( $handle, $display = true ) { _deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' ); return $this->print_extra_script( $handle, $display ); }Introduced in 2.1.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
bool|string|void to bool|string|null.verified against sourcesrc/wp-includes/class-wp-scripts.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.