3v4l.org

run code in 300+ PHP versions simultaneously
<?php while (true) {echo'-';};
Output for 5.4.39 - 5.4.45, 5.5.23 - 5.5.38, 5.6.6 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.22, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
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Process exited with code 137.

preferences:
330.95 ms | 440 KiB | 258 Q