CollationEt.php

Go to the documentation of this file.

<?php
class CollationEt extends IcuCollation {
    public function __construct() {
        parent::__construct( 'et' );
    }
 
    private static function mangle( $string ) {
        return str_replace(
            [ 'w', 'W' ],
            'ᴡ', // U+1D21 'LATIN LETTER SMALL CAPITAL W'
            $string
        );
    }
 
    private static function unmangle( $string ) {
        // Casing data is lost…
        return str_replace(
            'ᴡ', // U+1D21 'LATIN LETTER SMALL CAPITAL W'
            'W',
            $string
        );
    }
 
    public function getSortKey( $string ) {
        return parent::getSortKey( self::mangle( $string ) );
    }
 
    public function getFirstLetter( $string ) {
        return self::unmangle( parent::getFirstLetter( self::mangle( $string ) ) );
    }
}