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run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj = new stdClass; $obj->{'123'} = "foo"; $arr = (array) $obj; $f = var_export($arr["123" + 0]); echo $f;
based on 62OKI
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 123 in /in/L7VRj on line 5 NULL
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 123 in /in/L7VRj on line 5 NULL1
Output for 5.0.0 - 5.2.17
Notice: Undefined offset: 123 in /in/L7VRj on line 5 NULL
Output for 4.3.0 - 4.4.9
'foo'