improvements

Author: mevdschee

src/Template.php

@@ -74,7 +74,7 @@ private static function createSyntaxTree(&$tokens)
         return $root;
     }
 
-    private static function renderChildren($node, &$data, &$functions)
+    private static function renderChildren($node, $data, $functions)
     {
         $result = '';
         foreach ($node->children as $child) {
@@ -96,7 +96,7 @@ private static function renderChildren($node, &$data, &$functions)
         return $result;
     }
 
-    private static function renderIfNode($node, &$data, &$functions)
+    private static function renderIfNode($node, $data, $functions)
     {
         $parts = explode('|', $node->expression);
         $path = array_shift($parts);
@@ -113,7 +113,7 @@ private static function renderIfNode($node, &$data, &$functions)
         return $result;
     }
 
-    private static function renderForNode($node, &$data, &$functions)
+    private static function renderForNode($node, $data, $functions)
     {
         $parts = explode('|', $node->expression);
         $path = array_shift($parts);
@@ -139,7 +139,7 @@ private static function renderForNode($node, &$data, &$functions)
         return $result;
     }
 
-    private static function renderVarNode($node, &$data, &$functions)
+    private static function renderVarNode($node, $data, $functions)
     {
         $parts = explode('|', $node->expression);
         $path = array_shift($parts);
@@ -152,9 +152,9 @@ private static function renderVarNode($node, &$data, &$functions)
         return $value;
     }
 
-    private static function resolvePath($path, &$data)
+    private static function resolvePath($path, $data)
     {
-        $current = &$data;
+        $current = $data;
         foreach (explode('.', $path) as $p) {
             if (!isset($current[$p])) {
                 throw new \Exception("path '$p' not found");
@@ -164,7 +164,7 @@ private static function resolvePath($path, &$data)
         return $current;
     }
 
-    private static function applyFunctions($value, &$parts, &$functions)
+    private static function applyFunctions($value, $parts, $functions)
     {
         foreach ($parts as $part) {
             $function = explode('(', rtrim($part, ')'));