3v4l.org

run code in 500+ PHP versions simultaneously
<?php $i = 1e-5; Var_dump((string)$i);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(6) "1.0E-5"
preferences:
43.28 ms | 970 KiB | 4 Q