3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = "abcdefghijklmnopqrstuvwxyz"; echo !mb_check_encoding($string, 'ASCII');
based on F41RX
Output for 5.1.3 - 7.2.0
Notice: Undefined variable: string in /in/9DYVt on line 5
Output for 5.0.0 - 5.1.2
Fatal error: Call to undefined function mb_check_encoding() in /in/9DYVt on line 5
Process exited with code 255.
Output for 4.4.3 - 4.4.9
Notice: Undefined variable: string in /in/9DYVt on line 5
Output for 4.3.2 - 4.4.2
Fatal error: Call to undefined function: mb_check_encoding() in /in/9DYVt on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_check_encoding() in /in/9DYVt on line 5