Sniff now ignores USE keywords used inside closures

Author: gsherwood

CodeSniffer/Standards/PSR2/Sniffs/Namespaces/UseDeclarationSniff.php

@@ -54,6 +54,12 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
+        // Ignore USE keywords inside closures.
+        $next = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
+        if ($tokens[$next]['code'] === T_OPEN_PARENTHESIS) {
+            return;
+        }
+
         // Only one USE declaration allowed per statement.
         $next = $phpcsFile->findNext(array(T_COMMA, T_SEMICOLON), ($stackPtr + 1));
         if ($tokens[$next]['code'] === T_COMMA) {

CodeSniffer/Standards/PSR2/Tests/Namespaces/UseDeclarationUnitTest.1.inc

@@ -13,3 +13,9 @@ use LastThing;
 
 class Foo {
 }
+
+$var = new MyClass(
+    function () use ($foo, $bar) {
+        return true;
+    }
+);