3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for ($i=0;$i<1000;$i+=25) { print floor(log($i, 2)) . PHP_EOL; }
based on R8VGS
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
-INF 4 5 6 6 6 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 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/1AUQe on line 4 -INFPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 6PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 7PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 8PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/1AUQe on line 4 9PHP_EOL