Mysql arama hakkında?

$kelimeler = explode(" ", $veri);
$s_array = array();
foreach ($kelimeler as $key => $value)
{
$s_array[] = "(`id` LIKE '%$value%' or `thumb` LIKE '%$value%' or `source` LIKE '%$value%' or `views` LIKE '%$value%' or `liked` LIKE '%$value%' or `title` LIKE '%$value%' or `description` LIKE '%$value%' or `duration` LIKE '%$value%')";
}
$where_str = implode(" or ", $s_array);
$sql_str = "select id,thumb,source,views,liked,title,description,dura tion from videos where $where_str ORDER BY id LIMIT 20";