First pass at converting files to use autoloading! Take care if you have an old yioop system you are upgrading, a=chris

<?php
/**
 * SeekQuarry/Yioop --
 * Open Source Pure PHP Search Engine, Crawler, and Indexer
 *
 * Copyright (C) 2009 - 2015  Chris Pollett chris@pollett.org
 *
 * LICENSE:
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * END LICENSE
 *
 * @author Pushkar Umaranikar
 * @license http://www.gnu.org/licenses/ GPL3
 * @link http://www.seekquarry.com/
 * @copyright 2009 - 2015
 * @filesource
 */
if (!defined('BASE_DIR')) {echo "BAD REQUEST"; exit();}
/** Loads the base class */
require_once BASE_DIR."/models/model.php";


/**
 * This class is used to handle
 * database statements related to Advertisement Metadata
 *
 * @author Pushkar Umaranikar
 * @package seek_quarry\model
 */
class AdMetaDataModel extends Model
{
    /**
     * Associations of the form
     *     name of field for web forms => database column names/abbreviations
     * In this case, things will in general map to the USERS table in the
     * Yioop data base
     * var array
     */
    var $search_table_column_map = array("id"=>"AD_ID",
        "clicks" => "CLICKS", "impressions" => "IMPRESSIONS",);
    /**
     * These fields if present in $search_array (used by @see getRows() ),
     * but with value "-1", will be skipped as part of the where clause
     * but will be used for order by clause
     * @var array
     */
    var $any_fields = array("status");
    /**
     * {@inheritDoc}
     *
     * @param mixed $args any additional arguments which should be used to
     *     determine these tables (in this case none)
     */
    function selectCallback($args = NULL)
    {
        return "AD_ID, CLICKS, IMPRESSIONS";
    }
    /**
     * {@inheritDoc}
     *
     * @param mixed $args any additional arguments which should be used to
     *     determine these tables (in this case none)
     */
    function fromCallback($args = NULL)
    {
        return "ADVERTISEMENT_METADATA";
    }
    /**
     * {@inheritDoc}
     *
     * @param mixed $args any additional arguments which should be used to
     *     determine these tables (in this case none)
     */
    function whereCallback($args = NULL)
    {
        return "";
    }
    /**
     * Checks if advertisement metadata present or not
     *
     * @param integer $ad_id represents advertisement id
     * @return boolean value representing metedata present or not
     */
    function isAdvMetadataPresent($ad_id)
    {
        $db = $this->db;
        $sql = "SELECT AD_ID FROM ADVERTISEMENT_METADATA WHERE AD_ID = ?";
        $result = $db->execute($sql,array($ad_id));
        if ($result) {
            if ($mix = $db->fetchArray($result)) {
                return true;
            } else {
                return false;
            }
        }
    }
    /**
     * Records number of impressions for an advertisement
     *
     * @param string $ad_id of an advertisement
     * @param boolean $is_new Checks if advertisement is newly created or not
     */
    function addImpression($ad_id,$is_new)
    {
        $db = $this->db;
        $clicks = 0;
        $impressions = 1;
        if ($is_new) {
            $sql = "INSERT INTO ADVERTISEMENT_METADATA
            (AD_ID,CLICKS,IMPRESSIONS) VALUES (?, ?, ?)";
         $result = $db->execute($sql,array(
             $ad_id,$clicks,$impressions));
        } else {
            $sql= "UPDATE ADVERTISEMENT_METADATA SET
            IMPRESSIONS= IMPRESSIONS +1 WHERE AD_ID = ?";
            $result = $db->execute($sql,array($ad_id));
        }
    }
    /**
     * Records the number of clicks for an advertisement
     *
     * @param integer $ad_id advertisement id
     */
    function addClick($ad_id)
    {
        $db = $this->db;
        $sql = "UPDATE ADVERTISEMENT_METADATA SET CLICKS = CLICKS + 1 WHERE
        AD_ID = ?";
        $result = $db->execute($sql,array($ad_id));
    }
}
?>