source: extensions/autoupdate/trunk/maintain.inc.php

<?php

function plugin_activate()
{
  global $prefixeTable, $conf;

  if (!isset($conf['autoupdate_ignore_list']))
  {
    $query = '
INSERT INTO ' . CONFIG_TABLE . ' (param,value,comment)
VALUES ("autoupdate_ignore_list" , "'.addslashes(serialize(array('plugins'=>array(),'themes'=>array(),'languages'=>array()))).'" , "Ignored list for Piwigo Auto Update plugin");';

    pwg_query($query);
  }
}

function plugin_uninstall()
{
  global $prefixeTable;

  $query = 'DELETE FROM ' . CONFIG_TABLE . ' WHERE param="autoupdate_ignore_list" LIMIT 1;';
  pwg_query($query);
}

?>