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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(chr(e2), chr(99), ord(ab));
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant e2 - assumed 'e2' in /in/tncQf on line 2 Notice: Use of undefined constant ab - assumed 'ab' in /in/tncQf on line 2 string(1) "" string(1) "c" int(97)
Output for hhvm-3.10.0

Process exited with code 153.