Ignore if a user uses concats. Fixes #63

Author: paul999

src/Tests/Tests/epv_test_validate_php_functions.php

@@ -385,7 +385,7 @@ private function validateMethodCalls(Node $node) {
 		{
             $name = $this->getMethodName($node);
         }
-		else if (isset($node->expr) && $node->expr instanceof Node\Expr\MethodCall && !($node->expr->name instanceof Variable) && !($node->expr->name instanceof PropertyFetch))
+		else if (isset($node->expr) && $node->expr instanceof Node\Expr\MethodCall && !($node->expr->name instanceof Variable) && !($node->expr->name instanceof PropertyFetch) && !($node->expr->name instanceof Concat))
 		{
 			$name = (string)$node->expr->name;
 		}

tests/epv_test_validate_php_functions_test.php

@@ -140,6 +140,18 @@ public function test_usage_of_var_test() {
         $tester->validateFile($file);
     }
 
+    public function test_usage_of_var_test2() {
+        $output = $this->getOutputMock();
+        $output->expects($this->exactly(0))
+            ->method('addMessage')
+        ;
+
+        $file = $this->getLoader()->loadFile('tests/testFiles/var_test2.php');
+
+        $tester = new \Phpbb\Epv\Tests\Tests\epv_test_validate_php_functions(false, $output, '/a/b/', 'epv/test', false, '/a/');
+        $tester->validateFile($file);
+    }
+
     private function getLoader()
     {
         return $file = new \Phpbb\Epv\Files\FileLoader(new \Phpbb\Epv\Tests\Mock\Output(), false, '.', '.');

tests/testFiles/var_test2.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace tests\testFiles;
+
+class var_test2
+{
+
+    public function __construct()
+    {
+        $name = 'test';
+        $result = $this->{'validate_' . $name}();
+    }
+}