minor #41973 Leverage str_ends_with (Tobion)

This PR was merged into the 4.4 branch.

Discussion
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Leverage str_ends_with

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       |
| License       | MIT
| Doc PR        |

added the php80 polyfill to requirements when necessary. some components already had the requirement anyway.
Related to #41576

Commits
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9d807298be Leverage str_ends_with

Author: nicolas-grekas

Command/AbstractConfigCommand.php

@@ -96,7 +96,7 @@ protected function findExtension($name)
             }
         }
 
-        if ('Bundle' !== substr($name, -6)) {
+        if (!str_ends_with($name, 'Bundle')) {
             $message = sprintf('No extensions with configuration available for "%s".', $name);
         } else {
             $message = sprintf('No extension with alias "%s" is enabled.', $name);

Command/CacheClearCommand.php

@@ -81,7 +81,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $realCacheDir = $kernel->getContainer()->getParameter('kernel.cache_dir');
         // the old cache dir name must not be longer than the real one to avoid exceeding
         // the maximum length of a directory or file path within it (esp. Windows MAX_PATH)
-        $oldCacheDir = substr($realCacheDir, 0, -1).('~' === substr($realCacheDir, -1) ? '+' : '~');
+        $oldCacheDir = substr($realCacheDir, 0, -1).(str_ends_with($realCacheDir, '~') ? '+' : '~');
         $fs->remove($oldCacheDir);
 
         if (!is_writable($realCacheDir)) {

composer.json

@@ -25,6 +25,7 @@
         "symfony/http-foundation": "^4.4|^5.0",
         "symfony/http-kernel": "^4.4",
         "symfony/polyfill-mbstring": "~1.0",
+        "symfony/polyfill-php80": "^1.16",
         "symfony/filesystem": "^3.4|^4.0|^5.0",
         "symfony/finder": "^3.4|^4.0|^5.0",
         "symfony/routing": "^4.4.12|^5.1.4"