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--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));
$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>"
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