3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3); $string = current($a); $i = 0; while($b = next($a) && strlen($string.current($a)) < 2){ $string .= $b; } echo $string;
based on sn4rg
Output for 4.3.0 - 7.2.0
1