3v4l.org

run code in 500+ PHP versions simultaneously
<?php $x = 0.1 + 0.2; var_dump($x); echo $x. "\n"; ini_set('precision', -1); echo $x, "\n";
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(0.30000000000000004) 0.3 0.30000000000000004
Output for 7.4.0 - 7.4.33
float(0.3) 0.3 0.30000000000000004
preferences:
35.05 ms | 1139 KiB | 9 Q