3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for($i=1;$i<=9;$i++) for($j=1;$j<=$i;$j++){ echo "$i"; echo "<br>"; } ?>
Output for 4.3.0 - 7.2.0
1<br>2<br>2<br>3<br>3<br>3<br>4<br>4<br>4<br>4<br>5<br>5<br>5<br>5<br>5<br>6<br>6<br>6<br>6<br>6<br>6<br>7<br>7<br>7<br>7<br>7<br>7<br>7<br>8<br>8<br>8<br>8<br>8<br>8<br>8<br>8<br>9<br>9<br>9<br>9<br>9<br>9<br>9<br>9<br>9<br>