3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1, 2, 3, 4, 5, 6); $j = 0; for($i=0; $i<count($arr); $i++) { echo $j++, PHP_EOL; if ($i == 3 || $i == 4) { unset($arr[$i]); } }
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 1 2 3 4
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
0 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/GN6eh on line 5 PHP_EOL1 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/GN6eh on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/GN6eh on line 5 PHP_EOL3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/GN6eh on line 5 PHP_EOL4 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/GN6eh on line 5 PHP_EOL