Start working

Modified some paths to be more generic and not require rewrite.  Some
instances of phase names have been changed, others are still in process.

Twig/Node/Expression/Binary/StartsWith.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2013 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_StartsWith extends Twig_Node_Expression_Binary
+{
+    public function compile(Twig_Compiler $compiler)
+    {
+        $left = $compiler->getVarName();
+        $right = $compiler->getVarName();
+        $compiler
+            ->raw(sprintf('(is_string($%s = ', $left))
+            ->subcompile($this->getNode('left'))
+            ->raw(sprintf(') && is_string($%s = ', $right))
+            ->subcompile($this->getNode('right'))
+            ->raw(sprintf(') && (\'\' === $%2$s || 0 === strpos($%1$s, $%2$s)))', $left, $right))
+        ;
+    }
+
+    public function operator(Twig_Compiler $compiler)
+    {
+        return $compiler->raw('');
+    }
+}