3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=0); var_dump(gmp_init(1) * "2"); var_dump(gmp_pow(gmp_init(1), "2"));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
object(GMP)#2 (1) { ["num"]=> string(1) "2" } object(GMP)#1 (1) { ["num"]=> string(1) "1" }
preferences:
74.38 ms | 406 KiB | 5 Q