3v4l.org

run code in 150+ php & hhvm versions
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<?php $counter = 0; while (true) { if($counter <= 9) { $counter = $counter +1; print $counter . PHP_EOL; } else { break; } }
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
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