3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo '== Characters ==' . PHP_EOL; $s = 'W'; for ($n=0; $n<6; $n++) { echo ++$s . PHP_EOL; } // Digits character behaves differently echo '== Digits ==' . PHP_EOL; $d = 'A8'; for ($n=0; $n<6; $n++) { echo ++$d . PHP_EOL; } $d = 'A08'; for ($n=0; $n<6; $n++) { echo ++$d . PHP_EOL; }
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
== Characters == X Y Z AA AB AC == Digits == A9 B0 B1 B2 B3 B4 A09 A10 A11 A12 A13 A14
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/LU76o on line 2 == Characters ==PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 5 XPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 5 YPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 5 ZPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 5 AAPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 5 ABPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 5 ACPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 8 == Digits ==PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 11 A9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 11 B0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 11 B1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 11 B2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 11 B3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 11 B4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 15 A09PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 15 A10PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 15 A11PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 15 A12PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 15 A13PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LU76o on line 15 A14PHP_EOL