3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo htmlspecialchars('<', $flags = ENT_COMPAT | ENT_HTML401, $encoding = 'UTF-8');
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
&lt;
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/gIE07 on line 3 &lt;
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant ENT_HTML401 - assumed 'ENT_HTML401' in /in/gIE07 on line 3
Process exited with code 139.
preferences:
229.66 ms | 401 KiB | 328 Q