3v4l.org

run code in 300+ PHP versions simultaneously
<?php $counter = 0; while (true) { if($counter <= 9) { $counter = $counter +1; print $counter . PHP_EOL; } else { break; } }
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1 2 3 4 5 6 7 8 9 10
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7et1V on line 10 10PHP_EOL

preferences:
329.28 ms | 403 KiB | 457 Q