3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = array(); $data['foo'] = 'tst'; $data['bar'] = array('asd'); $data['user'] = new stdClass(); var_dump(isset($data->foo));
Output for 4.3.0 - 4.4.9, 5.2.12 - 5.2.17, 5.3.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false)
Output for 5.0.0 - 5.2.11, 5.3.0 - 5.3.1
bool(true)