3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo htmlspecialchars('<"\'', $flags = ENT_HTML401, $encoding = 'UTF-8');
Output for 5.4.0 - 7.1.0
&lt;"'
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/qZvYH on line 3 Warning: htmlspecialchars() expects parameter 2 to be long, string given in /in/qZvYH on line 3