3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 100000000000000.00000000000000001; var_dump($test); var_dump($test.'');
Output for 8.0.1 - 8.0.30, 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
float(100000000000000) string(7) "1.0E+14"
preferences:
89.55 ms | 1105 KiB | 4 Q