IntlChar::foldCase

(PHP 7)

IntlChar::foldCase — Perform 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.

codepoint: Um codepoint integer (por exemplo 0x2603 para U+2603 SNOWMAN), ou um caracter codificado como uma string UTF-8 (exemplo "\u{2603}")
options: Either IntlChar::FOLD_CASE_DEFAULT (default) or IntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I.

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