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run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = new \stdClass(); $x->c = null; var_dump(isset($x->c));
Output for 5.3.0 - 7.2.0
bool(false)
Output for 4.3.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/q9oAv on line 3 bool(false)