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run code in 150+ php & hhvm versions
Bugs & Features
<?php $o = new stdClass($a=28); $arr = get_defined_vars(); var_dump($arr['a']);
Output for hhvm-3.10.0 - 3.12.0, 7.1.0
int(28)
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.0.14
Notice: Undefined index: a in /in/lreY2 on line 4 NULL
Output for 4.3.0 - 5.2.17
Notice: Undefined index: a in /in/lreY2 on line 4 NULL