3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b = 1; for ($i = 0; $i <= 10; $i++) { list($a, $b) = array($b, $a + $b); echo $b . ', '; }
Output for 4.3.0 - 7.1.10
2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233,