PHP 8.1.31 Released!

Vordefinierte Konstanten

Folgende Konstanten werden von dieser Erweiterung definiert und stehen nur zur Verfügung, wenn die Erweiterung entweder statisch in PHP kompiliert oder dynamisch zur Laufzeit geladen wurde.

MB_OVERLOAD_MAIL (int)
Removed as of PHP 8.0.0.
MB_OVERLOAD_STRING (int)
Removed as of PHP 8.0.0.
MB_OVERLOAD_REGEX (int)
Removed as of PHP 8.0.0.
MB_CASE_UPPER (int)
Performs a full upper-case folding. This may change the length of the string. This is the mode used by mb_strtoupper().
MB_CASE_LOWER (int)
Performs a full lower-case folding. This may change the length of the string. This is the mode used by mb_strtolower().
MB_CASE_TITLE (int)
Performs a full title-case conversion based on the Cased and CaseIgnorable derived Unicode properties. In particular this improves handling of quotes and apostrophes. This may change the length of the string.
MB_CASE_FOLD (int)
Performs a full case fold conversion which removes case distinctions present in the string. This is used for caseless matching. This may change the length of the string. Available since PHP 7.3.
MB_CASE_LOWER_SIMPLE (int)
Performs a simple lower-case fold conversion. This does not change the length of the string. Available as of PHP 7.3.
MB_CASE_UPPER_SIMPLE (int)
Performs simple upper-case fold conversion. This does not change the length of the string. Available as of PHP 7.3.
MB_CASE_TITLE_SIMPLE (int)
Performs simple title-case fold conversion. This does not change the length of the string. Available as of PHP 7.3.
MB_CASE_FOLD_SIMPLE (int)
Performs a simple case fold conversion which removes case distinctions present in the string. This is used for caseless matching. This does not change the length of the string. Used by case-insensitive operations internally by the MBString extension. Available as of PHP 7.3.
MB_ONIGURUMA_VERSION (string)
The Oniguruma version, e.g. 6.9.4. Available as of PHP 7.4.
add a note

User Contributed Notes 1 note

up
1
php dot thus653 at passmail dot net
6 days ago
The MB_CASE_TITLE flag does not result in true title case but simply upper-cases each word in the title and changes all others to lowercase.

Example:

$string = "Mrs. Frisby and the Rats of NIMH";
echo mb_convert_case($string, MB_CASE_TITLE);

Result:

Mrs. Frisby And The Rats Of Nimh
To Top