Merge pull request #422 from sbuerk/stefan-1

[BUGFIX] Mitigate "Using null as an array offset is deprecated"

src/DocBlock/StandardTagFactory.php

@@ -282,8 +282,8 @@ final class StandardTagFactory implements TagFactory
             }
 
             $parameterName = $parameter->getName();
-            if (isset($locator[$typeHint])) {
-                $arguments[$parameterName] = $locator[$typeHint];
+            if (isset($locator[$typeHint ?? ''])) {
+                $arguments[$parameterName] = $locator[$typeHint ?? ''];
                 continue;
             }
 

tests/unit/DocBlock/StandardTagFactoryTest.php

@@ -525,6 +525,11 @@ class StandardTagFactoryTest extends TestCase
                 'tag',
                 '@tag (is valid)',
             ],
+            'full-qualified-class-name following a tag name is valid' => [
+                '@tag \InvalidArgumentException',
+                'tag',
+                '@tag \InvalidArgumentException',
+            ],
         ];
     }