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<?php $obj = new stdClass; $obj->{"oink"} = "pig"; var_dump($obj->oink); $objj = new stdClass; $objj->oink = "pig"; var_dump($objj->oink);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(3) "pig" string(3) "pig"