GoLang IntlChar::foldCase

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PHP IntlChar::foldCase

PHP original manual for IntlChar::foldCase [ show | php.net ]

(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: The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\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.