<?php
$array = [];
while (count($array) < 10)
$array[] = count($array);
$stdClass = new stdClass();
$stdClass->foo = "foo";
$stdClass->bar = "bar";
$stdClass->baz = "baz";
$safe = new Threaded();
$safe->merge($array);
$safe->merge($stdClass);
var_dump($safe);
?>
object(Threaded)#2 (13) {
["0"]=>
int(0)
["1"]=>
int(1)
["2"]=>
int(2)
["3"]=>
int(3)
["4"]=>
int(4)
["5"]=>
int(5)
["6"]=>
int(6)
["7"]=>
int(7)
["8"]=>
int(8)
["9"]=>
int(9)
["foo"]=>
string(3) "foo"
["bar"]=>
string(3) "bar"
["baz"]=>
string(3) "baz"
}