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<?php
/**
* A PHP diff engine for phpwiki. (Taken from phpwiki-1.3.3)
*
* Copyright © 2000, 2001 Geoffrey T. Dairiki <dairiki@dairiki.org>
* You may copy this code freely under the conditions of the GPL.
*
* 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
* @ingroup DifferenceEngine
*/
namespace Wikimedia\Diff;
/**
* Extends DiffOp. Used to mark strings that have been
* copied from one string array to the other.
*
* @ingroup DifferenceEngine
*/
class DiffOpCopy extends DiffOp {
/** @inheritDoc */
public $type = 'copy';
/**
* @param string[] $orig
* @param string[]|false $closing Should either be identical to $orig, or not given
*/
public function __construct( $orig, $closing = false ) {
if ( !is_array( $closing ) ) {
$closing = $orig;
}
$this->orig = $orig;
$this->closing = $closing;
}
/**
* @return DiffOpCopy
*/
public function reverse() {
return new DiffOpCopy( $this->closing, $this->orig );
}
}
/** @deprecated class alias since 1.41 */
class_alias( DiffOpCopy::class, 'DiffOpCopy' );
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