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We will look at different ways to send attachments via email in PHP.

PHPMailerSend attachments in email using

We can use PHPMailerthe SendEmail class to send emails, allowing us to send attachments. We can create an PHPMailerobject of the SendEmail class and use its methods and properties to send emails to the desired recipients. We will use Gmail's SendEmail. Therefore, we will use SMTPthe SendEmail protocol. The library has addAttachment()a SendEmail method that allows us to add attachments. First, we need to download the library from GitHub .

For example, create a folder srcand copy three files PHPMailer.php, , SMTP.phpand Exception.phpinto it. Then create a file index.phpand use requirethe statement to include the three files. Then use the corresponding classes of these files. Next, create PHPMailer()an object of the class $mail. Use the Usernameand Passwordproperties to set the sender's email and password. Use the Subjectand Bodyproperties to set the subject and body of the email. Use addAttachment()the function to add an attachment. Pass the relative path of the attachment as a parameter to the method. AddAddress()Write the recipient's email in the method. Finally, call Send()the method to send the email. Next, call to smtpClose()close SMTPthe connection.

We need to change the sender's email to PHPMaileruse Gmail in . We should open the access option in Gmail 不太安全的应用程序to use PHPMailer. Then, running the following script will send an email and attachment to the recipient.

Sample code:

<?php
require 'src/PHPMailer.php';
require 'src/SMTP.php';
require 'src/Exception.php';

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;

$mail = new PHPMailer();
$mail->isSMTP();
$mail->Host = "smtp.gmail.com";
$mail->SMTPAuth = "true";
$mail->SMTPSecure ="tls";
$mail->Port = "587";
$mail->Username = "sendersemail@gmail.com";
$mail->Password = "password";

$mail->SetFrom('sendersemail@gmail.com');
$mail->Subject = 'Message Subject';
$mail->Body = "This is a body text";
$mail->addAttachment('attachments/project.pdf');
$mail->AddAddress( 'receiversmail@gmail.com' );

$mail->Send();
$mail->smtpClose();
?>

SwiftMailerSend attachments in email using

We can also use a third-party library SwiftMailerto send emails with attachments. This library provides a attach()method to add attachments while sending an email. We can install the library using the following command.

composer require "swiftmailer/swiftmailer:^6.0"

autoloader.phpWe need to include the file to use in our script SwiftMailer. This file is 供应商inside the folder where the file was downloaded. We will be using Gmail to send the email. To use Gmail, we need to use SMTPthe protocol. Therefore, we need to Swift_SmtpTransportcreate a transport using the class to set the host, port number, and protocol. We can set the sender's email and password using the transport. Swift_MailerThe class allows us to set the transport, while Swift_Mailerthe class allows us to set the message, recipients, and attachments.

autoload.phpFor example, the file in the working file is required to be vendor/autoload.php. Create Swift_SmtpTransportan object of the class $transportand set the host to smtp.gmail.com, the port number to 587, and the security protocol to tls. Then set the sender's email and password using the setUsernameand methods. Next, create an object of the class and set the object to it. Then, create another object of the class and write the subject as a parameter. Specify the sender's email and the recipient's email using the and methods. Write the email body in the method. Then, specify the attachment path using the method of the class using the . Finally, send the email using the object we created using the method. Provide the object as a parameter to the method.setPasswordSwift_Mailer$mail$transportSwift_Message$contentsetFrom()setTo()setBody()attach()Swift_AttachmentfromPath()$mailsend()$contentsend()

SwiftMailerThis is how we can send an email with an attachment using the library in PHP .

Sample code:

require_once 'vendor/autoload.php';

$transport = (new Swift_SmtpTransport('smtp.gmail.com', 587, 'tls'))
->setUsername('sendersemail@gmail.com')
->setPassword('password')

$mail = new Swift_Mailer($transport);
$content = (new Swift_Message('Subject'))
->setFrom(['sendersemail@gmail.com' => 'Senders Name'])
->setTo('recieversemail@gmail.com')
->setBody('This is a text')
->attach(Swift_Attachment::fromPath('attachments/project.pdf'));

$result = $mail->send($content);