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DiffOpCopy.php
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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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