send_mail.php

send_mail.php

<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Setting response header json
header('Content-Type: application/json');

// Check if not post method -> throw error
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
  http_response_code(405);
  echo json_encode(['error' => 'Method not allowed']);
  exit();
}

// Decode json body
$body = json_decode(file_get_contents('php://input'), true);

// Check if missing email -> throw error
if (!isset($body['email'])) {
  http_response_code(400);
  echo json_encode(['error' => 'Missing email']);
  exit();
}

// Check if missing subject -> throw error
if (!isset($body['subject'])) {
  http_response_code(400);
  echo json_encode(['error' => 'Missing subject']);
  exit();
}

// Check if missing message -> throw error
if (!isset($body['message'])) {
  http_response_code(400);
  echo json_encode(['error' => 'Missing message']);
  exit();
}

try {
  // if (isset($_POST['submit'])) {
    $mailData = [
      'email' => $body['email'],
      'subject' => $body['subject'],
      'message' => $body['message']
    ];
  
    require 'vendor/autoload.php';
  
    $mail = new PHPMailer();
    $mail->isSMTP();
    $mail->Host = 'smtp.gmail.com';
    $mail->SMTPAuth = true;
    $mail->Username = 'youremail@gmail';
    $mail->Password = 'app_password';
    $mail->SMTPSecure = 'tls';
    $mail->Port = 587;
  
    $mail->setFrom('fromemail', "Minh Phong 306 Blog");
    $mail->addAddress($mailData['email'], 'User');
    $mail->isHTML(true);
  
    $mail->Subject = $mailData['subject'];
    $mail->Body = $mailData['message'];
    $mail->AltBody = 'Alt body';
    $mail->send();
    
    echo json_encode(['message' => 'Message has been sent']);
  // }
} catch (Exception $ex) {
  echo 'Message could not be sent. Mailer Error: ', $mail->ErrorInfo;
}