3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'łukasz Zalewski-ceglarski ósmego Dnia tygodnia'; $str = mb_convert_case($str, MB_CASE_TITLE, "UTF-8"); echo $str; // Prints Mary Had A Little Lamb And She Loved It So
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
Łukasz Zalewski-Ceglarski Ósmego Dnia Tygodnia
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/PHIZb on line 4
Process exited with code 255.