step 2.. insert dari json.

<?php
$database="test";

$user = 'root';
$password = '';
$dsn = 'mysql:dbname='.$database.';host=localhost';

try {
    $conn = new PDO($dsn, $user, $password);
} catch (PDOException $e) {
    echo 'Connection failed: ' . $e->getMessage();
}

$d = dir("data");

while (false !== ($entry = $d->read()))
{
    if($entry!='.'&&$entry!='..')
    {
       //echo $entry."\n<br/>";
       $f=file_get_contents("data/$entry");
       $ar=json_decode($f, TRUE);
       $table=str_replace(".json",'',$entry);
       $table=trim($table);

       foreach($ar as $ar2)
       {
        $data="";$i=1;
            foreach($ar2 as $val)
            {
                if($i!=1)
                {
                    $data.=", ";
                }
                $i++;
                $data.="'".addslashes($val)."'";
           }
           $sql="insert into $table values ($data);";
           $sth = $conn->prepare($sql);
            $sth->execute();
           $data='';
       }
   }
}
$d->close();

echo 'done';