: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
* Themify Compatibility Code
* @link https://wordpress.org/plugins/tutor/
class Themify_Compat_tutorlms {
add_filter( 'template_redirect', array( __CLASS__, 'template_redirect' ) );
public static function template_redirect() {
if ( is_singular( [ 'lesson', 'courses' ] ) ) {
add_filter( 'themify_enable_lazyload', '__return_false' );