PHP 8.1 - realpath(): Passing null to parameter #1 ($path) of type string is deprecated

[williamdes]

https://github.com/phpmyadmin/phpmyadmin/pull/16743/checks?check_run_id=2156536145#step:10:8

PHP Deprecated:  realpath(): Passing null to parameter #1 ($path) of type string is deprecated in vendor/twig/twig/src/Loader/FilesystemLoader.php on line 40

[williamdes]

Also

strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated

/home/runner/work/phpmyadmin/phpmyadmin/vendor/twig/twig/src/Error/Error.php:175
/home/runner/work/phpmyadmin/phpmyadmin/vendor/twig/twig/src/Error/Error.php:111
/home/runner/work/phpmyadmin/phpmyadmin/vendor/twig/twig/src/Template.php:409
/home/runner/work/phpmyadmin/phpmyadmin/vendor/twig/twig/src/Template.php:367
/home/runner/work/phpmyadmin/phpmyadmin/vendor/twig/twig/src/Template.php:379
/home/runner/work/phpmyadmin/phpmyadmin/vendor/twig/twig/src/TemplateWrapper.php:40
/home/runner/work/phpmyadmin/phpmyadmin/libraries/classes/Template.php:129
/home/runner/work/phpmyadmin/phpmyadmin/libraries/classes/Controllers/Database/StructureController.php:685
/home/runner/work/phpmyadmin/phpmyadmin/test/classes/Controllers/Database/StructureControllerTest.php:541
/home/runner/work/phpmyadmin/phpmyadmin/vendor/phpunit/phpunit/phpunit:61

[oleg-andreyev]

Added 8.1 to Twig: #3495

[fabpot]

Anyone willing to work on a Pull Request to fix these issues on the 1.x branch?

[oleg-andreyev]

@fabpot #3495 is rebased on 1.x and PHP8.1 deprecations are fixed.