3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo($n) { var_dump(abs($n)); } foo(-1); foo(-2.1); foo("-3"); foo("-4.1");
Output for 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 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
int(1) float(2.1) int(3) float(4.1)
preferences:
137.31 ms | 1528 KiB | 4 Q