// 商品名をwhere文に
$name = ereg_replace(",", "", $name);
$name = str_replace('　', ' ', $name); //全角スペースを半角スペースに変換
$names = preg_split("/ +/", $name); //スペースでキーワードを分割
foreach ($names as $val) { //分割したキーワードを一つずつwhere文に追加
    if ( strlen($val) > 0 ){
        $where .= " AND ( name ILIKE ? OR comment3 ILIKE ?) ";
        $ret = sfManualEscape($val);
        $arrval[] = "%$ret%";
        $arrval[] = "%$ret%";
    }
}