3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=1; $i<=5; $i++) { for($b=3; $b>0; $b--) echo "Data ".$i." To user ".$b."<br>\n"; }
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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
Data 1 To user 3<br> Data 1 To user 2<br> Data 1 To user 1<br> Data 2 To user 3<br> Data 2 To user 2<br> Data 2 To user 1<br> Data 3 To user 3<br> Data 3 To user 2<br> Data 3 To user 1<br> Data 4 To user 3<br> Data 4 To user 2<br> Data 4 To user 1<br> Data 5 To user 3<br> Data 5 To user 2<br> Data 5 To user 1<br>
preferences:
220.3 ms | 406 KiB | 342 Q