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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use MediaWiki\Language\Language;
/**
* Turkish (Türkçe)
*
* The Turkish language, like other Turkic languages, distinguishes
* a dotted letter 'i' from a dotless letter 'ı' (U+0131 LATIN SMALL LETTER DOTLESS I).
* In these languages, each has an equivalent uppercase mapping:
* ı (U+0131 LATIN SMALL LETTER DOTLESS I) -> I (U+0049 LATIN CAPITAL LETTER I),
* i (U+0069 LATIN SMALL LETTER I) -> İ (U+0130 LATIN CAPITAL LETTER I WITH DOT ABOVE).
*
* Unicode CaseFolding.txt defines these mappings as type 'T', which means that
* they are only for the Turkic languages, tr and az. PHP ignores these mappings,
* so we have to override the ucfirst and lcfirst methods.
*
* See https://en.wikipedia.org/wiki/Dotted_and_dotless_I and T30040
*
* @ingroup Languages
*/
class LanguageTr extends Language {
private const UC = [ 'I', 'İ' ];
private const LC = [ 'ı', 'i' ];
public function ucfirst( $str ) {
$first = mb_substr( $str, 0, 1 );
if ( in_array( $first, self::LC ) ) {
$first = str_replace( self::LC, self::UC, $first );
return $first . mb_substr( $str, 1 );
}
return parent::ucfirst( $str );
}
public function lcfirst( $str ) {
$first = mb_substr( $str, 0, 1 );
if ( in_array( $first, self::UC ) ) {
$first = str_replace( self::UC, self::LC, $first );
return $first . mb_substr( $str, 1 );
}
return parent::lcfirst( $str );
}
}
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