3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = 'http://sd.ru?sd=10&b=20'; echo htmlentities($s); echo "\n\n"; echo htmlentities($s, NULL);
Output for 4.3.2 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
http://sd.ru?sd=10&amp;b=20 http://sd.ru?sd=10&amp;b=20
Output for hhvm-3.12.0
http://sd.ru?sd=10&amp;b=20 Warning: htmlentities() expects parameter 2 to be integer, null given in /in/0Mgb1 on line 6
Output for 4.3.0 - 4.3.1
http://sd.ru?sd=10&amp;b=20
Process exited with code 139.