vesta add user and db wiyh api

vesta-api.php

/** 
 * Vesta Bilgileri
*/
$vst_hostname = 'localhost';
$vst_username = 'admin';
$vst_password = '123';

/** 
 * Kullanıcı Bilgileri
*/
$vesta_username = 'kullanici';
$site_database = 'kullanici_db';
$site_db_user = 'kullanici_dbuser';
$site_db_pass = 'kullanici_pass';

/** 
 * Kullanıcı Ekleme
*/
$postvars = array(
	'user' => $vst_username,
	'password' => $vst_password,
	'returncode' => 'yes',
	'cmd' => 'v-add-user',
	'arg1' => $vesta_username,
	'arg2' => '246',
	'arg3' => $this->input->post('user_email'),
	'arg4' => 'gainsboro',
	'arg5' => $this->input->post('user_name'),
	'arg6' => $this->input->post('user_surname')
);
$postdata = http_build_query($postvars);
$user_curl = curl_init();
curl_setopt($user_curl, CURLOPT_URL, 'https://' . $vst_hostname . ':8083/api/');
curl_setopt($user_curl, CURLOPT_RETURNTRANSFER,true);
curl_setopt($user_curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($user_curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($user_curl, CURLOPT_POST, true);
curl_setopt($user_curl, CURLOPT_POSTFIELDS, $postdata);
$user_answer = curl_exec($user_curl);
curl_close($user_answer);

if($user_answer == 0) {

  /** 
   * DB Ekleme
  */
	
	$dbvars = array(
		'user' => $vst_username,
		'password' => $vst_password,
		'returncode' => 'yes',
		'cmd' => 'v-add-database',
		'arg1' => $vesta_username,
		'arg2' => $site_database,
		'arg3' => $site_db_user,
		'arg4' => $site_db_pass,
		'arg5' => 'mysql',
		'arg6' => 'localhost',
		'arg7' => 'utf8'
	);
	$dbdata = http_build_query($dbvars);
	$db_curl = curl_init();
	curl_setopt($db_curl, CURLOPT_URL, 'https://' . $vst_hostname . ':8083/api/');
	curl_setopt($db_curl, CURLOPT_RETURNTRANSFER,true);
	curl_setopt($db_curl, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($db_curl, CURLOPT_SSL_VERIFYHOST, false);
	curl_setopt($db_curl, CURLOPT_POST, true);
	curl_setopt($db_curl, CURLOPT_POSTFIELDS, $dbdata);
	$db_answer = curl_exec($db_curl);
	
	curl_close($db_answer);

	if($db_answer == 0) {
		$body = $this->mailer->create_user($mailname, $code);
		$this->load->helper('email_helper');
		$to = $data['user_email'];
		$subject = 'Üyelik Bilgileriniz';
		$message =  $body ;

		if(sendEmail($to, $subject, $message, $file = '' , $cc = '')) {
			$this->messages = [
				'success' => "Kullanıcı başarıyla eklendi, bilgiler e-posta adresine gönderildi.",
				'title' => "Başarılı!",
				'icon' => "fas fa-check"
			];
			$this->session->set_flashdata($this->messages);
		}							
	
	} else {
		$this->messages = [
				'error' => "Veritabanı oluşturulurken bir hata oluştu.",
				'title' => "Upss!",
				'icon' => "fas fa-info"
		];
		$this->session->set_flashdata($this->messages);								
	}
} else {
	$this->messages = [
			'error' => "Vesta Hesabı Oluşturulurken bir sorun oluştu.",
			'title' => "Upss!",
			'icon' => "fas fa-info"
	];
	$this->session->set_flashdata($this->messages);
}