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run code in 200+ php & hhvm versions
Bugs & Features
<?php $ob = new stdClass; $ob->yo = 'yo'; $foo = 'yo'; var_dump($ob->{$foo});
based on XcCO6
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0alpha1
string(2) "yo"