The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
MB_OVERLOAD_MAIL
(integer)
MB_OVERLOAD_STRING
(integer)
MB_OVERLOAD_REGEX
(integer)
MB_CASE_UPPER
(integer)
MB_CASE_LOWER
(integer)
MB_CASE_TITLE
(integer)
MB_CASE_FOLD
(integer)
MB_CASE_LOWER_SIMPLE
(integer)
MB_CASE_UPPER_SIMPLE
(integer)
MB_CASE_TITLE_SIMPLE
(integer)
MB_CASE_FOLD_SIMPLE
(integer)
MB_ONIGURUMA_VERSION
(string)