3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php chdir('/tmp'); echo realpath();
Output for 5.3.0 - 7.1.0
Warning: realpath() expects exactly 1 parameter, 0 given in /in/ZpLDQ on line 4
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for realpath() in /in/ZpLDQ on line 4