3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = range(1, 20); foreach ($array as $k => $v) { echo $v, ','; unset($array[$k]); } echo PHP_EOL, join(',', $array);
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.7
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20, Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/0AEXu on line 10 PHP_EOL