3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL | E_STRICT); echo urlencode(htmlspecialchars("a\xC2b"));
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
a%EF%BF%BDb
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
a%C2b
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Use of undefined constant E_STRICT - assumed 'E_STRICT' in /in/AHTa0 on line 3 a%C2b

preferences:
305.67 ms | 401 KiB | 453 Q