}
/**
+ * @param string $index
+ * @return string
* @since 1.16.3
*/
public function getLetterByIndex( $index ) {
}
/**
+ * @param string $index
+ * @return string
* @since 1.16.3
*/
public function getSortKeyByLetterIndex( $index ) {
}
/**
+ * @param string $index
+ * @return string
* @since 1.16.3
*/
public function getFirstLetterCount() {
/**
* Test if a code point is a CJK (Chinese, Japanese, Korean) character
+ * @param int $codepoint
+ * @return bool
* @since 1.16.3
*/
public static function isCjk( $codepoint ) {
$versionPrefix = substr( $icuVersion, 0, 3 );
// Source: http://site.icu-project.org/download
$map = [
+ '59.' => '9.0',
+ '58.' => '9.0',
'57.' => '8.0',
'56.' => '8.0',
'55.' => '7.0',