--TEST--
SimpleXML: Element check
--EXTENSIONS--
simplexml
--FILE--
<?php

$ok = 1;
$doc = simplexml_load_string('<root><exists>foo</exists></root>');
if(!isset($doc->exists)) {
    $ok *= 0;
}
if(isset($doc->doesnotexist)) {
    $ok *= 0;
}
if ($ok) {
         print "Works\n";
} else {
         print "Error\n";
}
?>
--EXPECT--
Works