3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set("precision", 1); echo (string) 12.345;
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
1.0E+1
preferences:
107.58 ms | 406 KiB | 5 Q