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<?php class ArrayObjectChild extends ArrayObject { public function offsetExists($offset) { var_dump('Called: '.__METHOD__); return parent::offsetExists($offset); } public function offsetGet($offset) { var_dump('Called: '.__METHOD__); return parent::offsetGet($offset); } } $object = new ArrayObjectChild(array('foo' => '')); var_dump(empty($object['foo']));
Output for 5.6.8 - 7.1.0
string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" bool(true)
Output for 5.0.4 - 5.2.0, 5.2.2 - 5.5.35
string(38) "Called: ArrayObjectChild::offsetExists" bool(false)
Output for 5.2.1
string(38) "Called: ArrayObjectChild::offsetExists" bool(true)
Output for 5.0.0 - 5.0.3
bool(false)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/keoDO on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/keoDO on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/keoDO on line 5
Process exited with code 255.