3 * Classes to walk into a list of User objects.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
23 abstract class UserArray
implements Iterator
{
25 * @param $res ResultWrapper
26 * @return UserArrayFromResult
28 static function newFromResult( $res ) {
30 if ( !wfRunHooks( 'UserArrayFromResult', array( &$userArray, $res ) ) ) {
33 if ( $userArray === null ) {
34 $userArray = self
::newFromResult_internal( $res );
41 * @return UserArrayFromResult
43 static function newFromIDs( $ids ) {
44 $ids = array_map( 'intval', (array)$ids ); // paranoia
46 // Database::select() doesn't like empty arrays
47 return new ArrayIterator(array());
49 $dbr = wfGetDB( DB_SLAVE
);
50 $res = $dbr->select( 'user', '*', array( 'user_id' => $ids ),
52 return self
::newFromResult( $res );
57 * @return UserArrayFromResult
59 protected static function newFromResult_internal( $res ) {
60 return new UserArrayFromResult( $res );
64 class UserArrayFromResult
extends UserArray
{
73 * @param $res ResultWrapper
75 function __construct( $res ) {
78 $this->setCurrent( $this->res
->current() );
85 protected function setCurrent( $row ) {
86 if ( $row === false ) {
87 $this->current
= false;
89 $this->current
= User
::newFromRow( $row );
96 public function count() {
97 return $this->res
->numRows();
104 return $this->current
;
112 $row = $this->res
->next();
113 $this->setCurrent( $row );
118 $this->res
->rewind();
120 $this->setCurrent( $this->res
->current() );
127 return $this->current
!== false;