3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $i = '1a1'; for ($i = '1a1'; $i < 10; ++$i) { echo $i . PHP_EOL; }
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.0
1a1 1a2 1a3 1a4 1a5 1a6 1a7 1a8 1a9 1b0 1b1 1b2 1b3 1b4 1b5 1b6 1b7 1b8 1b9 1c0 1c1 1c2 1c3 1c4 1c5 1c6 1c7 1c8 1c9 1d0 1d1 1d2 1d3 1d4 1d5 1d6 1d7 1d8 1d9 1e0 2 3 4 5 6 7 8 9
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/fSR0J on line 6 1a1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1a9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1b9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1c9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1d9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 1e0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fSR0J on line 6 9PHP_EOL