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run code in 150+ php & hhvm versions
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<?php function a($t) { $t->yyy = 'vvv'; return true; } $t = new StdClass; $t->xxx = 'hello'; var_dump($t);
Output for 5.0.0 - 7.1.0
object(stdClass)#1 (1) { ["xxx"]=> string(5) "hello" }
Output for 4.3.0 - 4.4.9
object(stdClass)(1) { ["xxx"]=> string(5) "hello" }