add testcase for multiline anonymous function

Author: jrchamp

src/Standards/Generic/Sniffs/WhiteSpace/ScopeIndentSniff.php

@@ -1152,6 +1152,12 @@ public function process(File $phpcsFile, int $stackPtr)
                     StatusWriter::write("=> indent will be set to $futureIndent at token $opener ($type)", 1);
                 }
 
+                // If it is a closure, jump to the future.
+                if ($tokens[$i]['code'] === T_CLOSURE) {
+                    $i = $opener;
+                    $currentIndent = $futureIndent;
+                }
+
                 continue;
             }
 

src/Standards/Generic/Tests/WhiteSpace/ScopeIndentUnitTest.5.inc

@@ -79,3 +79,15 @@ return true;
 }
 };
 }
+
+// Edge case: anonymous function.
+register_shutdown_function(
+    static function () use (
+        $errorMsg,
+        $errorArray
+    ) {
+        if (empty($errorMsg) === false) {
+            fwrite(STDERR, $errorMsg);
+        }
+    }
+);

src/Standards/Generic/Tests/WhiteSpace/ScopeIndentUnitTest.5.inc.fixed

@@ -79,3 +79,15 @@ if (class_exists('ConditionalClass') === false) {
         }
     };
 }
+
+// Edge case: anonymous function.
+register_shutdown_function(
+    static function () use (
+        $errorMsg,
+        $errorArray
+    ) {
+        if (empty($errorMsg) === false) {
+            fwrite(STDERR, $errorMsg);
+        }
+    }
+);