Perform case folding on a code point

# IntlChar::foldCase

(PHP 7)

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

### Description

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

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

### Liste de paramètres

`codepoint`

  La valeur codepoint de type integer (i.e. 0x2603 pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type string (i.e. "\u{2603}")

`options`

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

### Valeurs de retour

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