3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 3.5654654; round($a,2) = $a+1; echo $a;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Fatal error: Can't use function return value in write context in /in/2G8Dm on line 5
Process exited with code 255.
preferences:
177.34 ms | 1395 KiB | 35 Q