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<?php $obj = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS | ArrayObject::STD_PROP_LIST); $obj = array(); var_dump(isset($obj['name']), unset($obj['name']));
Output for 5.4.0 - 5.4.4
Parse error: syntax error, unexpected 'unset' (T_UNSET) in /in/fq4qU on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.14
Parse error: syntax error, unexpected T_UNSET in /in/fq4qU on line 6
Process exited with code 255.

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