3v4l.org

run code in 500+ PHP versions simultaneously
<?php $u = 1234567890123456789012345678901234567890; var_dump($u);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
float(1.2345678901234568E+39)
Output for 7.4.0 - 7.4.33
float(1.2345678901235E+39)
preferences:
29.58 ms | 1139 KiB | 9 Q