8 $o1 = ion\serialize(["foo", ["p" => 1]]);
9 $o2 = ion\serialize(["foo", ["p" => 1]], $s1 = new ion\Serializer\PHP);
10 $o3 = ion\serialize(["foo", ["p" => 1]], $s2 = new ion\Serializer\PHP(new ion\Writer\Options));
11 $o4 = ion\serialize(["foo", ["p" => 1]], ["writerOptions" => []]);
29 object(ion\Serializer\PHP)#%d (4) {
31 object(ion\Writer\Options)#%d (12) {
50 ["maxContainerDepth"]=>
59 ["callMagicSerialize"]=>
61 ["callCustomSerialize"]=>