Refactor code to PHP 8 style

[githubjeka]

No description provided.

[codecov]

Codecov Report

Base: 31.17% // Head: 31.17% // No change to project coverage 👍

Coverage data is based on head (3033588) compared to base (51d163f).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #517   +/-   ##
=========================================
  Coverage     31.17%   31.17%           
  Complexity      380      380           
=========================================
  Files            57       57           
  Lines          1235     1235           
=========================================
  Hits            385      385           
  Misses          850      850           

Impacted Files	Coverage Δ
src/Middleware/LocaleMiddleware.php	26.85% <0.00%> (ø)

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[arogachev]

This was also fixed earlier as a part of #506:

demo/src/Middleware/LocaleMiddleware.php

Lines 160 to 163 in c3cffaf

	if (str_contains($locale, '-')) {
	return explode('-', $locale, 2);
	}
	if (isset($this->locales[$locale]) && str_contains($this->locales[$locale], '-')) {

After adding rector such replacements will be done automatically. But until then, let's merge it separately. Thanks! 👍