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run code in 150+ php & hhvm versions
Bugs & Features
<?php const READ = 1; const WRITE = 2; function test($mask) { if ($mask & READ) { echo 'Read!' . PHP_EOL; } if ($mask & WRITE) { echo 'Write!' . PHP_EOL; } } test(0); test(READ); test(WRITE); test(READ | WRITE);
based on NYAEK
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Read! Write! Read! Write!
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/LFO8r on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/LFO8r on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LFO8r on line 3
Process exited with code 255.