3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo htmlentities('ääkköset', null, 'UTF-8');
Output for 4.3.2 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
&auml;&auml;kk&ouml;set
Output for hhvm-3.12.0
Warning: htmlentities() expects parameter 2 to be integer, null given in /in/SS77n on line 2
Output for 4.3.0 - 4.3.1

Process exited with code 139.