maintenance/removeUnusedAccounts.php

   1 <?php
   2
   3 /**
   4  * Remove unused user accounts from the database
   5  * An unused account is one which has made no edits
   6  *
   7  * @package MediaWiki
   8  * @subpackage Maintenance
   9  * @author Rob Church <robchur@gmail.com>
  10  */
  11
  12 /**
  13  * @todo Don't delete sysops or bureaucrats
  14  */
  15
  16 $options = array( 'help', 'delete' );
  17 require_once( 'commandLine.inc' );
  18 require_once( 'removeUnusedAccounts.inc' );
  19 echo( "Remove Unused Accounts\n\n" );
  20 $fname = 'removeUnusedAccounts';
  21
  22 if( isset( $options['help'] ) ) {
  23         showHelp();
  24         exit();
  25 }
  26
  27 # Do an initial scan for inactive accounts and report the result
  28 echo( "Checking for unused user accounts...\n" );
  29 $del = array();
  30 $dbr =& wfGetDB( DB_SLAVE );
  31 $res = $dbr->select( 'user', array( 'user_id', 'user_name' ), '', $fname );
  32 while( $row = $dbr->fetchObject( $res ) ) {
  33         # Check the account, but ignore it if it's the primary administrator
  34         if( $row->user_id > 1 && isInactiveAccount( $row->user_id, true ) ) {
  35                 # Inactive; print out the name and flag it
  36                 $del[] = $row->user_id;
  37                 echo( $row->user_name . "\n" );
  38         }
  39 }
  40 $count = count( $del );
  41 echo( "...found {$count}.\n" );
  42
  43 # If required, go back and delete each marked account
  44 if( $count > 0 && isset( $options['delete'] ) ) {
  45         echo( "\nDeleting inactive accounts..." );
  46         $dbw =& wfGetDB( DB_MASTER );
  47         $dbw->delete( 'user', array( 'user_id' => $del ), $fname );
  48         echo( "done.\n" );
  49         # Update the site_stats.ss_users field
  50         $users = $dbw->selectField( 'user', 'COUNT(*)', array(), $fname );
  51         $dbw->update( 'site_stats', array( 'ss_users' => $users ), array( 'ss_row_id' => 1 ), $fname );
  52 } else {
  53         if( $count > 0 )
  54                 echo( "\nRun the script again with --delete to remove them from the database.\n" );
  55 }
  56 echo( "\n" );
  57
  58 ?>