(PHP 7, PHP 8)

IntlChar::foldCasePerform 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.



O valor int do ponto de código (por exemplo, 0x2603 para U+2603 SNOWMAN) ou o caractere codificado como uma string UTF-8 (por exemplo, "\u{2603}").


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

Valor Retornado

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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