3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo pow(5, 0); echo "\n"; echo pow(-5, 0); echo "\n"; echo pow(0, 0); echo "\n"; echo pow(-5, 5); echo "\n"; echo pow(5, 5); echo "\n"; echo pow(0, 5); echo "\n"; echo pow(-5, -5); echo "\n"; echo pow(5, -5); echo "\n"; echo pow(0, -5); echo "\n";
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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
1 1 1 -3125 3125 0 -0.00032 0.00032 INF

preferences:
312.87 ms | 405 KiB | 455 Q