public function search(string $str='',int $son = 5) 
  {
    $words = $this->m_explode($str);
    $query = "SELECT * FROM `music` WHERE ";
    $like = " name LIKE '%$str%' OR ";
    foreach($words as $word)
    {
      $like .=" name LIKE '%$word%' OR ";
    }
    $order = " ORDER BY  name LIKE '%$str%' DESC ";
    $query .= rtrim($like,' OR').$order;
    $result = $this->runQuery($query);
    if(!$result) return false;
    if($this->row_exists($result))
    {
      $userInput = $str;
      $list = [];
      while($q = $result->fetch_assoc())
      {
      
      $list[] = $q['name'];
      } 

      usort($list, function ($a, $b) use ($userInput)
{
 similar_text($userInput, $a, $percentA); 
similar_text($userInput, $b, $percentB);
 return $percentA === $percentB ? 0 : ($percentA > $percentB ? -1 : 1); 
}
);

return $list;
}
    return false;
  }