public function testEncodeCircularObjects()
{
$personA = (object) array('firstname' => 'Max', 'parent' => null, 'children' => null);
$personB = (object) array('firstname' => 'Manfred', 'parent' => null, 'children' => null);
$personA->children = array($personB);
$personB->parent = $personA;
$result = JSONReference::encode($personA);
$this->assertEquals('Max', $personA->firstname);
$this->assertEquals('Manfred', $personB->firstname);
$this->assertEquals('@', substr($result->root, 0, 1));
$this->assertEquals('Max', $result->objects->{$result->root}->firstname);
$hash = $result->objects->{$result->root}->children[0];
$this->assertEquals('Manfred', $result->objects->{$hash}->firstname);
}
?>
</pre>
<h1>JavaScript</h1>
<pre>
dad.firstname = <span id="firstname1"></span>
dad.children[0].parent.firstname = <span id="firstname2"></span>
dad.firstname = 'Not Max';
dad.firstname = <span id="firstname3"></span>
dad.children[0].parent.firstname = <span id="firstname4"></span>
</pre>
<script src="../JSONReference.js"></script>
<script>
var data = <?php
echo json_encode(JSONReference::encode($dad));
?>
;
dad = JSONReference.decode(data);
document.getElementById('firstname1').innerHTML = dad.firstname;
document.getElementById('firstname2').innerHTML = dad.children[0].parent.firstname;
dad.firstname = 'Not Max';
document.getElementById('firstname3').innerHTML = dad.firstname;
document.getElementById('firstname4').innerHTML = dad.children[0].parent.firstname;
</script>
</body>
</html>