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run code in 200+ php & hhvm versions
Bugs & Features
<?php $check = false; $check &= $test; var_dump($check);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: test in /in/aLAX1 on line 4 int(0)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: test in /in/aLAX1 on line 4 int(0)