44 lines
1.3 KiB
PHP
44 lines
1.3 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* Collation class that's essentially a no-op.
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*
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* Does sorting based on binary value of the string.
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* Like how things were pre 1.17.
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*
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* @since 1.18
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*/
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class IdentityCollation extends Collation {
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public function getSortKey( $string ) {
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return $string;
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}
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public function getFirstLetter( $string ) {
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global $wgContLang;
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// Copied from UppercaseCollation.
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// I'm kind of unclear on when this could happen...
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if ( $string[0] == "\0" ) {
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$string = substr( $string, 1 );
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}
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return $wgContLang->firstChar( $string );
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}
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}
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