3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n=1; while($n<=10) { echo "($n*2)".'<br>'; $n=$n+1; } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
(1*2)<br>(2*2)<br>(3*2)<br>(4*2)<br>(5*2)<br>(6*2)<br>(7*2)<br>(8*2)<br>(9*2)<br>(10*2)<br>
preferences:
294.05 ms | 406 KiB | 459 Q