add usort fixture

Author: TomasVotruba

rules-tests/CodingStyle/Rector/FunctionLike/FunctionLikeToFirstClassCallableRector/Fixture/multiple_params.php.inc

@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\FunctionLike\FunctionLikeToFirstClassCallableRector\Fixture;
+
+final class MultipleParams
+{
+    public function call($items)
+    {
+        usort($items, fn($a, $b) => strcmp($a, $b));
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\FunctionLike\FunctionLikeToFirstClassCallableRector\Fixture;
+
+final class MultipleParams
+{
+    public function call($items)
+    {
+        usort($items, strcmp(...));
+    }
+}
+
+?>