includes/UserArray.php

   1 <?php
   2
   3 abstract class UserArray implements Iterator {
   4         static function newFromResult( $res ) {
   5                 $userArray = null;
   6                 if ( !wfRunHooks( 'UserArrayFromResult', array( &$userArray, $res ) ) ) {
   7                         return null;
   8                 }
   9                 if ( $userArray === null ) {
  10                         $userArray = self::newFromResult_internal( $res );
  11                 }
  12                 return $userArray;
  13         }
  14
  15         protected static function newFromResult_internal( $res ) {
  16                 $userArray = new UserArrayFromResult( $res );
  17                 return $userArray;
  18         }
  19 }
  20
  21 class UserArrayFromResult extends UserArray {
  22         var $res;
  23         var $key, $current;
  24
  25         function __construct( $res ) {
  26                 $this->res = $res;
  27                 $this->key = 0;
  28                 $this->setCurrent( $this->res->current() );
  29         }
  30
  31         protected function setCurrent( $row ) {
  32                 if ( $row === false ) {
  33                         $this->current = false;
  34                 } else {
  35                         $this->current = User::newFromRow( $row );
  36                 }
  37         }
  38
  39         function current() {
  40                 return $this->current;
  41         }
  42
  43         function key() {
  44                 return $this->key;
  45         }
  46
  47         function next() {
  48                 $row = $this->res->next();
  49                 $this->setCurrent( $row );
  50                 $this->key++;
  51         }
  52
  53         function rewind() {
  54                 $this->res->rewind();
  55                 $this->key = 0;
  56                 $this->setCurrent( $this->res->current() );
  57         }
  58
  59         function valid() {
  60                 return $this->current !== false;
  61         }
  62 }