maintenance/removeUnusedAccounts.php

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