modify build system to use php instead of php4

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10967 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/php/extend_template_ns_runme.php

@@ -0,0 +1,13 @@
+<?php
+// Sample test file
+
+require "tests.php";
+require "extend_template_ns.php";
+
+check::classes(array("extend_template_ns","Foo_One"));
+$foo=new Foo_One();
+check::equal(2,$foo->test1(2),"test1");
+check::equal(3,$foo->test2(3),"test2");
+
+check::done();
+?>