3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo htmlspecialchars('<"\'', $flags = ENT_COMPAT | ENT_HTML401, $encoding = 'UTF-8');
Output for 5.4.0 - 7.2.0
&lt;&quot;'
Output for 4.3.2 - 5.3.29
Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/63uIX on line 3 &lt;&quot;'
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/63uIX on line 3
Process exited with code 139.