3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php header("Test1: 1\x0a\x20Test2: 2");
based on 8anW8
Output for 5.4.38 - 5.4.45, 5.5.22 - 5.5.38, 5.6.6 - 7.2.6
Warning: Header may not contain more than a single header, new line detected in /in/rVuSs on line 3
Output for 4.3.0 - 5.4.37, 5.5.0 - 5.5.21, 5.6.0 - 5.6.5