minor #5717 Run migration rules on PHP 8 (kubawerlos, keradus)

This PR was squashed before being merged into the 2.19 branch.

Discussion
----------

Run migration rules on PHP 8

Commits
-------

25e67e3 Run migration rules on PHP 8

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
             execute-deployment: 'yes'
 
           - operating-system: 'ubuntu-20.04'
-            php-version: '7.4'
+            php-version: '8.0'
             job-description: 'with migration rules'
             execute-migration-rules: 'yes' # should be checked on highest supported PHP version
 

src/Cache/Directory.php

@@ -32,6 +32,9 @@ public function __construct($directoryName)
         $this->directoryName = $directoryName;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function getRelativePathTo($file)
     {
         $file = $this->normalizePath($file);

src/Cache/FileCacheManager.php

@@ -80,6 +80,8 @@ public function __destruct()
     /**
      * This class is not intended to be serialized,
      * and cannot be deserialized (see __wakeup method).
+     *
+     * @return array
      */
     public function __sleep()
     {

src/Console/Output/ProcessOutput.php

@@ -94,6 +94,8 @@ public function __destruct()
     /**
      * This class is not intended to be serialized,
      * and cannot be deserialized (see __wakeup method).
+     *
+     * @return array
      */
     public function __sleep()
     {

src/FileRemoval.php

@@ -42,6 +42,8 @@ public function __destruct()
     /**
      * This class is not intended to be serialized,
      * and cannot be deserialized (see __wakeup method).
+     *
+     * @return array
      */
     public function __sleep()
     {

src/Fixer/PhpUnit/PhpUnitSizeClassFixer.php

@@ -160,7 +160,7 @@ private function makeDocBlockMultiLineIfNeeded(DocBlock $doc, Tokens $tokens, $d
      */
     private function splitUpDocBlock($lines, Tokens $tokens, $docBlockIndex)
     {
-        $lineContent = $this->getSingleLineDocBlockEntry($lines);
+        $lineContent = $this->getSingleLineDocBlockEntry($lines[0]);
         $lineEnd = $this->whitespacesConfig->getLineEnding();
         $originalIndent = WhitespacesAnalyzer::detectIndent($tokens, $tokens->getNextNonWhitespace($docBlockIndex));
 
@@ -172,13 +172,11 @@ private function splitUpDocBlock($lines, Tokens $tokens, $docBlockIndex)
     }
 
     /**
-     * @param Line|Line[]|string $line
-     *
      * @return string
      */
-    private function getSingleLineDocBlockEntry($line)
+    private function getSingleLineDocBlockEntry(Line $line)
     {
-        $line = $line[0];
+        $line = $line->getContent();
         $line = str_replace('*/', '', $line);
         $line = trim($line);
         $line = str_split($line);

src/Linter/ProcessLinter.php

@@ -86,6 +86,8 @@ public function __destruct()
     /**
      * This class is not intended to be serialized,
      * and cannot be deserialized (see __wakeup method).
+     *
+     * @return array
      */
     public function __sleep()
     {

src/Runner/Runner.php

@@ -128,14 +128,15 @@ public function fix()
             ? new FileCachingLintingIterator($fileFilteredFileIterator, $this->linter)
             : new FileLintingIterator($fileFilteredFileIterator, $this->linter);
 
+        /** @var \SplFileInfo $file */
         foreach ($collection as $file) {
             $fixInfo = $this->fixFile($file, $collection->currentLintingResult());
 
             // we do not need Tokens to still caching just fixed file - so clear the cache
             Tokens::clearCache();
 
             if ($fixInfo) {
-                $name = $this->directory->getRelativePathTo($file);
+                $name = $this->directory->getRelativePathTo($file->__toString());
                 $changed[$name] = $fixInfo;
 
                 if ($this->stopOnViolation) {