3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i++; $i < 100) { $xx[$i] = $i*$i; } $amount = 0; foreach ($xx as $i) { $amount += $i; } echo $amount;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $xx in /in/PLBv4 on line 9 Warning: foreach() argument must be of type array|object, null given in /in/PLBv4 on line 9 0
Output for 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 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: xx in /in/PLBv4 on line 9 Warning: Invalid argument supplied for foreach() in /in/PLBv4 on line 9 0
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 7.3.32 - 7.3.33
Warning: Invalid argument supplied for foreach() in /in/PLBv4 on line 9 0
Output for 4.3.11
0
preferences:
296.23 ms | 401 KiB | 460 Q