3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array(1,2,3,4,5,6,7,8,9); $counter = 0; $start = 1; for($start; $start < 11; $start++) { $counter = $counter + $list[$counter]; print $counter . "<BR>"; } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1<BR>3<BR>7<BR>15<BR> Warning: Undefined array key 15 in /in/GHqnc on line 8 15<BR> Warning: Undefined array key 15 in /in/GHqnc on line 8 15<BR> Warning: Undefined array key 15 in /in/GHqnc on line 8 15<BR> Warning: Undefined array key 15 in /in/GHqnc on line 8 15<BR> Warning: Undefined array key 15 in /in/GHqnc on line 8 15<BR> Warning: Undefined array key 15 in /in/GHqnc on line 8 15<BR>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
1<BR>3<BR>7<BR>15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR>
Output for 7.3.32 - 7.3.33, 7.4.26
1<BR>3<BR>7<BR>15<BR>15<BR>15<BR>15<BR>15<BR>15<BR>15<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
1<BR>3<BR>7<BR>15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR> Notice: Undefined offset: 15 in /in/GHqnc on line 8 15<BR>

preferences:
205.01 ms | 403 KiB | 377 Q