3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php mb_internal_encoding('UTF-8'); echo 'Subject: ', mb_decode_mimeheader('❤', 'UTF-8', 'B');
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Subject: Warning: mb_decode_mimeheader() expects exactly 1 parameter, 3 given in /in/ujOq7 on line 4
Output for 4.3.0 - 4.4.9
Subject: Warning: Wrong parameter count for mb_decode_mimeheader() in /in/ujOq7 on line 4