Deprecations and proper checks needed here

[wparslan]

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in C:\xampp\htdocs\wordpress\wp-includes\block-supports\layout.php on line 167

setcookie(): Passing null to parameter #5 ($domain) of type string is deprecated wp-includes/option.php:1110

rtrim(): Passing null to parameter #1 ($string) of type string is deprecated wp-includes/formatting.php:2761

[niravsherasiya7707]

Hello @wparslan,
Hope you are grate,
it seems like the issue is already mentioned in this #55411 ticket.

[SergeyBiryukov]

Hi there, welcome back to WordPress Trac! Thanks for the report.

As noted above, we're already tracking this issue in #55411.