IntlChar::foldCase
(PHP 7)
IntlChar::foldCase — Perform case folding on a code point
説明
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.
パラメータ
codepoint
- コードポイントを表す int 型の値 (例: U+2603 SNOWMAN を表す
0x2603
)、あるいは UTF-8 文字列としてエンコードされた文字 (例:"\u{2603}"
)。 options
- Either
IntlChar::FOLD_CASE_DEFAULT
(default) orIntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I
.
返り値
Returns the Simple_Case_Folding of the code point, if any; otherwise the code point itself.