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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(IN_MB_INSTALL!=1);
Output for 7.2.0 - 7.2.6
Warning: Use of undefined constant IN_MB_INSTALL - assumed 'IN_MB_INSTALL' (this will throw an Error in a future version of PHP) in /in/kuP6T on line 2 bool(true)
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant IN_MB_INSTALL - assumed 'IN_MB_INSTALL' in /in/kuP6T on line 2 bool(true)