3v4l.org

run code in 300+ PHP versions simultaneously
<?php $number = intval('1797693134862315707729305190789024733617976978942306572734300811577326758055009631327084773224075360211201138798713933576587897688144166224928474306394741243777678934248654852763022196012460941194530829520850057688381506823424628814739131105408272371633505106845862982399472459384797163048353563296242241372160'); var_dump($number); var_dump(PHP_INT_MAX);
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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
int(0) int(9223372036854775807)
preferences:
149.53 ms | 407 KiB | 5 Q