3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(htmlentities("%df", ENT_XHTML));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(3) "%df"
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant ENT_XHTML - assumed 'ENT_XHTML' in /in/vKtbK on line 2 Warning: htmlentities() expects parameter 2 to be long, string given in /in/vKtbK on line 2 NULL