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run code in 200+ php & hhvm versions
Bugs & Features
<?php $r = 'sad'; var_dump(isset($r[NULL])); var_dump($r[NULL]);
Output for 5.4.5 - 7.2.0
bool(true) Notice: String offset cast occurred in /in/oEIUj on line 5 string(1) "s"
Output for 5.4.0 - 5.4.4
bool(true) Notice: String offset cast occured in /in/oEIUj on line 5 string(1) "s"
Output for 4.3.0 - 5.3.29
bool(true) string(1) "s"