3v4l.org

run code in 300+ PHP versions simultaneously
<?php const READ = 1; const WRITE = 2; function test($mask) { if ($mask & READ) { echo 'Read!' . PHP_EOL; } if ($mask & WRITE) { echo 'Write!' . PHP_EOL; } echo 'Failure!' . PHP_EOL; } test(0); test(READ); test(WRITE); test(READ | WRITE);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Failure! Read! Failure! Write! Failure! Read! Write! Failure!
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/MbBXv on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/MbBXv on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/MbBXv on line 3
Process exited with code 255.
preferences:
172.6 ms | 401 KiB | 310 Q