--TEST-- Bug #48562 (Reference recursion causes segfault when used in wddx_serialize_vars()) --SKIPIF-- <?php if (!extension_loaded('wddx')) { die('skip. wddx not available'); } ?> --FILE-- <?php $foo = 'bar'; $a['x'] = 'foo'; $a['x'] = &$a; var_dump(wddx_serialize_vars($a)); // replace $a - the recursion detection seems to be causing $a to be not an array here, maybe its internally a pointer // replacing $a with a new array() allows this test to still check for 2 things // 1. recursion detection in &$a; // 2. recursion detection in adding $a to itself and then serializing $a // the one thing the test won't check is using $a as an array after doing &$a; which isn't really a wddx problem. $a = array(); $a['x'] = 'foo'; $a['x'] = $a; var_dump(wddx_serialize_vars($a)); ?> --EXPECTF-- Warning: wddx_serialize_vars(): recursion detected in %s on line %d string(78) "<wddxPacket version='1.0'><header/><data><struct></struct></data></wddxPacket>" string(120) "<wddxPacket version='1.0'><header/><data><struct><var name='foo'><string>bar</string></var></struct></data></wddxPacket>"