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run code in 200+ php & hhvm versions
Bugs & Features
<?php define('KINT_MB', function_exists('mb_substr')); for ($i = 0; $i < 1000; $i++) { if (KINT_MB) { } }
based on kPQHm
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0