How can PHP beginners effectively implement a formmailer with multiple file upload options and email confirmation?

To implement a formmailer with multiple file upload options and email confirmation in PHP, beginners can use a combination of HTML form, PHP script for processing form data, and PHPMailer library for sending confirmation emails. The PHP script should handle file uploads using the $_FILES superglobal array, validate the form data, and send an email confirmation using PHPMailer. 

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

require 'vendor/autoload.php';

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Handle file uploads
    $uploadDir = 'uploads/';
    $uploadedFiles = [];
    foreach ($_FILES['files']['tmp_name'] as $key => $tmp_name) {
        $file_name = $_FILES['files']['name'][$key];
        $file_tmp = $_FILES['files']['tmp_name'][$key];
        $file_size = $_FILES['files']['size'][$key];
        move_uploaded_file($file_tmp, $uploadDir . $file_name);
        $uploadedFiles[] = $uploadDir . $file_name;
    }

    // Process form data
    $name = $_POST['name'];
    $email = $_POST['email'];

    // Send confirmation email
    $mail = new PHPMailer(true);
    $mail->setFrom('from@example.com', 'Your Name');
    $mail->addAddress($email, $name);
    $mail->Subject = 'Confirmation Email';
    $mail->Body = 'Thank you for your submission.';
    
    foreach ($uploadedFiles as $file) {
        $mail->addAttachment($file);
    }

    if ($mail->send()) {
        echo 'Confirmation email sent.';
    } else {
        echo 'Error sending email: ' . $mail->ErrorInfo;
    }
}
?>

Keywords

PHP formmailer file upload email confirmation beginners

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