3v4l.org

run code in 300+ PHP versions simultaneously
<?php array = array (1, 2, 3, 5, 8, 13, 21, 34, 55);$sum = 0;for ($i = 0; $i < 5; $i++) { $sum += $array[$array[$i]];}echo $sum;
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.20
Parse error: syntax error, unexpected '=', expecting '(' in /in/j6aSp on line 2
Process exited with code 255.

preferences:
180.57 ms | 1395 KiB | 56 Q