3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0.00; $b = -12; $x = $a * $b; $c = -0; var_dump($c); var_dump($x); var_dump($x == 0); echo $x; if($x) { echo 3; }
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(0) float(-0) bool(true) -0
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
int(0) float(0) bool(true) -0

preferences:
211.49 ms | 402 KiB | 370 Q