From 1b9fee18d4fd6f126065dde3deec97c992dd1588 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Tue, 6 Apr 2010 18:11:22 +0200
Subject: [PATCH] [CssSelector] removed the use of lower-case() in XPath as it
 is not supported by PHP

---
 src/Symfony/Components/CssSelector/Node/FunctionNode.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Components/CssSelector/Node/FunctionNode.php b/src/Symfony/Components/CssSelector/Node/FunctionNode.php
index a18b4872de..87ae77db8d 100644
--- a/src/Symfony/Components/CssSelector/Node/FunctionNode.php
+++ b/src/Symfony/Components/CssSelector/Node/FunctionNode.php
@@ -170,7 +170,11 @@ class FunctionNode implements NodeInterface
     {
       $expr = $expr->formatElement();
     }
-    $xpath->addCondition(sprintf('contains(css:lower-case(string(.)), %s)', XPathExpr::xpathLiteral(strtolower($expr))));
+
+    // FIXME: lower-case is only available with XPath 2
+    //$xpath->addCondition(sprintf('contains(lower-case(string(.)), %s)', XPathExpr::xpathLiteral(strtolower($expr))));
+    $xpath->addCondition(sprintf('contains(string(.), %s)', XPathExpr::xpathLiteral($expr)));
+
     // FIXME: Currently case insensitive matching doesn't seem to be happening
 
     return $xpath;