update_last_revision.php

function update_last_revision($entry_id)
{
    global $DB, $IN; 
    $weblog_id = $IN->GBL('weblog_id');
    $query = $DB->query("SELECT
                            enable_versioning,
                            enable_qucksave_versioning
                        FROM exp_weblogs
                        WHERE weblog_id = '".$weblog_id
                    );
    $enable_versioning          = $query->row['enable_versioning'];
    $enable_qucksave_versioning = $query->row['enable_qucksave_versioning'];

    if ( ! isset($_POST['versioning_enabled']))
        $enable_versioning = 'n';

    if (isset($_POST['save']) AND $enable_qucksave_versioning == 'n')
        $enable_versioning = 'n';
     
    if ($enable_versioning == 'y')
        $DB->query("UPDATE `exp_entry_versioning`
                    SET `version_data` = '".addslashes(serialize($_POST))."'
                    WHERE `entry_id` = {$entry_id}
                    ORDER BY `version_id` DESC
                    LIMIT 1");
}