3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $char = chr(200); echo 'ASCII: ', mb_check_encoding($char, 'ASCII') ? 'yup' : 'nope', PHP_EOL; echo 'ISO-8859-1: ', mb_check_encoding($char, 'ISO-8859-1') ? 'yup' : 'nope', PHP_EOL; echo 'UTF-8: ', mb_check_encoding($char, 'UTF-8') ? 'yup' : 'nope', PHP_EOL;
Output for 4.4.5 - 4.4.9, 5.2.1 - 7.1.0
ASCII: nope ISO-8859-1: yup UTF-8: nope
Output for 4.4.3 - 4.4.4, 5.1.3 - 5.2.0
ASCII: nope ISO-8859-1: yup UTF-8: yup
Output for 5.0.0 - 5.1.2
ASCII: Fatal error: Call to undefined function mb_check_encoding() in /in/Rh5J3 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.2
ASCII: Fatal error: Call to undefined function: mb_check_encoding() in /in/Rh5J3 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
ASCII: Fatal error: Call to undefined function: mb_check_encoding() in /in/Rh5J3 on line 5