diff --git a/index.html b/index.html
index 87dee9701..3289b5d36 100644
--- a/index.html
+++ b/index.html
@@ -1256,6 +1256,14 @@ _([1, 2, 3]).value();
         available on GitHub.
       </p>
       
+      <p>
+        <a href="http://brianhaveri.github.com/Underscore.php/">Underscore.php</a>,
+        a PHP port of the functions that are applicable in both languages.
+        Includes OOP-wrapping and chaining.
+        The <a href="http://github.com/brianhaveri/Underscore.php">source</a> is
+        available on GitHub.
+      </p>
+      
       <p>
         <a href="https://github.com/edtsech/underscore.string">Underscore.string</a>,
         an Underscore extension that adds functions for string-manipulation: