3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(0,20); foreach($a as $i) { echo $i . "\n<br/>"; }
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
0 <br/>1 <br/>2 <br/>3 <br/>4 <br/>5 <br/>6 <br/>7 <br/>8 <br/>9 <br/>10 <br/>11 <br/>12 <br/>13 <br/>14 <br/>15 <br/>16 <br/>17 <br/>18 <br/>19 <br/>20 <br/>
preferences:
214.47 ms | 406 KiB | 460 Q