IntlChar::foldCase

(PHP 7, PHP 8)

IntlChar::foldCasePerform case folding on a code point

Beschreibung

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.

Parameter-Liste

codepoint

Der int-Wert des Codepoints (z. B. 0x2603 für U+2603 SNOWMAN) oder das Zeichen als UTF-8-String kodiert (z.B. "\u{2603}").

options

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

Rückgabewerte

Returns the Simple_Case_Folding of the code point, if any; otherwise the code point itself on success, or null on failure.

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