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run code in 200+ php & hhvm versions
Bugs & Features
<?php if(isset($xxx)) { echo "isset<br>"; echo var_dump($xxx); } else { echo "notset<br>"; echo var_dump($xxx); } ?>
Output for 5.0.4 - 7.2.0
notset<br> Notice: Undefined variable: xxx in /in/887ru on line 8 NULL
Output for 4.3.0 - 5.0.3
notset<br> Notice: Undefined variable: xxx in /in/887ru on line 8 NULL