3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'f'; $charFirst = substr($string, 0, 1); $charLast = substr($string, strlen($string) - 1, 1); echo $charFirst . PHP_EOL; echo $charLast . 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
f f
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/M8XT5 on line 7 fPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/M8XT5 on line 8 fPHP_EOL