Android Question compare table record on mysql?

Case "getallaudio":
        $json = file_get_contents('php://input');       
        $data = json_decode($json);
        $table = $data->mytable;
        $jsonstr = $data->jsonstr;
        $arr = json_decode($jsonstr);
        $rows = array();
        
        $q = mysqli_query($con, "SELECT * FROM $table");
        while($r = mysqli_fetch_assoc($q))
        {
            $audioid_value = $r['audioid'];
            $ver_value = $r['ver'];
            $found = false;
            
            foreach($arr As $item) { //foreach element in $arr
                $audioid = $item->audioid;
                $ver = $item->ver;
                
                if($audioid_value == $audioid){
                    $found = true;
                    if($ver_value > $ver){
                        $rows[] = $r;
                    }
                    break;
                }
            }
            
            if ($found == false){
                $rows[] = $r;
            }           
        }           
        
        print json_encode($rows);
        mysqli_free_result($q);
        break;