diff --git a/free-programming-playgrounds.md b/free-programming-playgrounds.md
index 116ebe406babc2a2a63f28639ec6aff8e1adda88..d015d26f5784ab0e5114d6430d1e72a946d33fca 100644
--- a/free-programming-playgrounds.md
+++ b/free-programming-playgrounds.md
@@ -162,6 +162,7 @@
 ### PHP
 
 * [Codepad](http://codepad.org)
+* [ExtendsClass](https://extendsclass.com/php.html)
 * [PHPFiddle](http://phpfiddle.org)
 * [PHPTester](http://phptester.net)