What are some best practices for debugging issues with sending attachments via PHPMailer?

Issue: When sending attachments via PHPMailer, the file paths may be incorrect or the files themselves may not exist, resulting in the attachments not being sent successfully. To debug this issue, ensure that the file paths are correct and that the files exist on the server before attempting to attach them. 

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

require 'vendor/autoload.php';

$mail = new PHPMailer(true);

try {
    //Server settings
    $mail->isSMTP();
    $mail->Host = 'smtp.example.com';
    $mail->SMTPAuth = true;
    $mail->Username = 'your@example.com';
    $mail->Password = 'yourpassword';
    $mail->SMTPSecure = 'tls';
    $mail->Port = 587;

    //Recipients
    $mail->setFrom('from@example.com', 'Your Name');
    $mail->addAddress('recipient@example.com', 'Recipient Name');

    //Attachments
    $file_path = '/path/to/attachment.pdf';
    if (file_exists($file_path)) {
        $mail->addAttachment($file_path);
    } else {
        echo 'File does not exist: ' . $file_path;
    }

    //Content
    $mail->isHTML(true);
    $mail->Subject = 'Subject';
    $mail->Body = 'Message body';

    $mail->send();
    echo 'Message has been sent';
} catch (Exception $e) {
    echo 'Message could not be sent. Mailer Error: ' . $mail->ErrorInfo;
}
?>

Keywords

PHPMailer debugging attachments SMTP error handling

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