<?php
$table = 'users';

$_POST['email'] = "aaaa@gmail.com";
$_POST['nama'] = "dsadad";
$_POST['password'] = "4324";
$_POST['jenis_kelamin'] = "L";
$_POST['tanggal_lahir'] = "2018-01-01";
$_POST['alamat'] = "indonesia";

$data = $_POST;

$host = '127.0.0.1';
$db   = 'test';
$user = 'root';
$pass = '';
$charset = 'utf8mb4';

$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$opt = [
    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    PDO::ATTR_EMULATE_PREPARES   => false,
];
try {
     $pdo = new PDO($dsn, $user, $pass, $opt);
     $fieldName = implode(", ", array_keys($data));
     $prepsValue = ":".implode(", :", array_keys($data));

     $query = "INSERT INTO {$table} ($fieldName) VALUES ($prepsValue)";
     $stmt = $pdo->prepare($query);

     $explodePreps = explode(", ", $prepsValue);
     $datas = array_combine($explodePreps, $data);

     foreach ($datas as $key => $value) {
        $stmt->bindValue($key, $value , PDO::PARAM_STR);
     }

     //exit;

     $executes = $stmt->execute();

     //$this->checkExecutes($executes);

} catch (\PDOException $e) {
     throw new \PDOException($e->getMessage(), (int)$e->getCode());
}