3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = intval('1e1'); $y = (string) $x; var_dump($x); var_dump($y);
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(10) string(2) "10"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
int(1) string(1) "1"
preferences:
252.17 ms | 402 KiB | 330 Q