3v4l.org

run code in 300+ PHP versions simultaneously
<?php // 12.for_loops_fib.php $fib = [1, 2, 3, 5, 8, 13, 21, 34, 55, 89]; $size = sizeof($fib); for($i = 0; $i < $size; $i++) { print $fib[$i].PHP_EOL; } // We can also create this same series using simple math. $a = 1; $b = 2; print $a.PHP_EOL; print $b.PHP_EOL; for($i = 0; $i < $size-2; $i++) { $newB = $a+$b; $a = $b; $b = $newB; print $newB.PHP_EOL; }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
1 2 3 5 8 13 21 34 55 89 1 2 3 5 8 13 21 34 55 89
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/oFNDP on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/oFNDP on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oFNDP on line 4
Process exited with code 255.
preferences:
87.69 ms | 409 KiB | 5 Q