3v4l.org

run code in 300+ PHP versions simultaneously
<?php function profiler($a, $b, $c) { $profilerOn = true; switch (true) { case $a; case $b; case $c; // turn off profiler $profilerOn = false; } return $profilerOn; } // last true echo "Off:\n=======\n"; var_dump(profiler(true, true, true)); var_dump(profiler(false, false, true)); var_dump(profiler(true, false, true)); var_dump(profiler(false, true, true)); // last not true echo "\n\nOn:\n======\n"; var_dump(profiler(false, false, false)); var_dump(profiler(true, false, false)); var_dump(profiler(false, true, false)); var_dump(profiler(true, true, false));
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
Off: ======= bool(false) bool(false) bool(false) bool(false) On: ====== bool(true) bool(false) bool(false) bool(false)

preferences:
227.85 ms | 406 KiB | 313 Q