PHP 7.2.0 Beta 3 Released


(PHP 7)

IntlChar::foldCasePerform case folding on a code point


public static mixed IntlChar::foldCase ( mixed $codepoint [, int $options = IntlChar::FOLD_CASE_DEFAULT ] )

The given character is mapped to its case folding equivalent; if the character has no case folding equivalent, the character itself is returned.



The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")


Either IntlChar::FOLD_CASE_DEFAULT (default) or IntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I.

Return Values

Returns the Simple_Case_Folding of the code point, if any; otherwise the code point itself.

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top