3v4l.org

run code in 300+ PHP versions simultaneously
<?php $charWC = 'a'; $charMask = 5; $charHost = 4; $charHostMask = 8; echo 'a'; $charWC = ~$charMask; echo 'b'; $charNet = $charHost & $charMask; echo 'c'; $charBcst = $charNet | ~$charMask; echo 'd'; $charHostMin = $charNet | ~$charHostMask; echo 'e'; $charHostMax = $charBcst & $charHostMask; echo 'f';
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 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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preferences:
267.04 ms | 405 KiB | 380 Q