IntlChar::foldCase

(PHP 7, PHP 8)

IntlChar::foldCase — Perform case folding on a code point

public static IntlChar::foldCase(int|string $codepoint, int $options = IntlChar::FOLD_CASE_DEFAULT): int|string|null

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

codepoint: Ein Wert vom Typ int, der einen Codepoint darstellt (z. B. 0x2603 für U+2603 SNOWMAN) oder ein als UTF-8-String kodiertes Zeichen (z. B. "\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 on success, or null on failure.

There are no user contributed notes for this page.