3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php foreach (range(1, 10) as $key => $value) { echo "$key => $value", PHP_EOL; }
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
0 => 1 1 => 2 2 => 3 3 => 4 4 => 5 5 => 6 6 => 7 7 => 8 8 => 9 9 => 10
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
0 => 1 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL1 => 2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL2 => 3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL3 => 4 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL4 => 5 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL5 => 6 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL6 => 7 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL7 => 8 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL8 => 9 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL9 => 10 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2kuQD on line 3 PHP_EOL