IntlChar::foldCase
(PHP 7, PHP 8)
IntlChar::foldCase — Perform case folding on a code point
説明
public static IntlChar::foldCase(mixed
$codepoint, int $options = IntlChar::FOLD_CASE_DEFAULT): mixedThe 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.
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