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./othercms/ips_4.3.4/applications/cms/setup/upg_100003/upgrade.php
<?php
/**
 * @brief        4.0.0 Beta 3 Upgrade Code
 * @author        <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
 * @copyright    (c) Invision Power Services, Inc.
 * @license        https://www.invisioncommunity.com/legal/standards/
 * @package        Invision Community
 * @subpackage    Content
 * @since        24 Nov 2014
 */

namespace IPS\cms\setup\upg_100003;

/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
   
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
    exit;
}

/**
 * 4.0.0 Beta 3 Upgrade Code
 *
 */
class _Upgrade
{
   
/**
     * Step 1
     * Remove any fulltext indices
     *
     * @return    array    If returns TRUE, upgrader will proceed to next step. If it returns any other value, it will set this as the value of the 'extra' GET parameter and rerun this step (useful for loops)
     */
   
public function step1()
    {
        foreach( \
IPS\Db::i()->select( 'database_id, database_database', 'cms_databases' ) as $database )
        {
            if( \
IPS\Db::i()->checkForTable( 'cms_custom_database_' . $database['database_id'] ) )
            {
               
$tableDefinition    = \IPS\Db::i()->getTableDefinition( 'cms_custom_database_' . $database['database_id'] );

                foreach(
$tableDefinition['indexes'] as $name => $indexDefinition )
                {
                    if(
$indexDefinition['type'] == 'fulltext' )
                    {
                        \
IPS\Db::i()->dropIndex( 'cms_custom_database_' . $database['database_id'], $indexDefinition['name'] );
                    }
                }
            }
        }

        return
TRUE;
    }

   
/**
     * Custom title for this step
     *
     * @return string
     */
   
public function step1CustomTitle()
    {
        return
"Removing unused fulltext indices";
    }
}