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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(IN_MB_INSTALL!=1);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant IN_MB_INSTALL - assumed 'IN_MB_INSTALL' in /in/kuP6T on line 2 bool(true)