How to attach upload file in mail in php

To attach a file to an email in PHP, you can use the mail() function or a PHP mail library such as PHPMailer. Here's an example of how to do it using the mail() function:

<?php
// Define the email and file paths
$email = '[email protected]';
$file_path = 'path/to/your/file.txt';

// Define the email subject and body
$subject = 'File Attachment';
$body = 'This is the email body';

// Define the file name and type
$file_name = 'file.txt';
$file_type = 'text/plain';

// Open the file and read its contents
$file = fopen($file_path, 'rb');
$file_contents = fread($file, filesize($file_path));
fclose($file);

// Set the email headers
$headers = 'From: [email protected]'. "\r\n".
           'Reply-To: [email protected]'. "\r\n".
           'MIME-Version: 1.0'. "\r\n".
           'Content-Type: multipart/mixed; boundary="This is the boundary string"';

// Create the email body
$email_body = "This is the email body\r\n\r\n";
$email_body.= "--This is the boundary string\r\n";
$email_body.= "Content-Type: $file_type; name=\"$file_name\"\r\n";
$email_body.= "Content-Disposition: attachment; filename=\"$file_name\"\r\n";
$email_body.= "Content-Transfer-Encoding: base64\r\n\r\n";
$email_body.= chunk_split(base64_encode($file_contents));
$email_body.= "--This is the boundary string--";

// Send the email
mail($email, $subject, $email_body, $headers);
?>

In this example, we're using the mail() function to send an email with a file attachment. We're defining the email subject, body, and file path, as well as the file name and type. We're then opening the file, reading its contents, and setting the email headers. We're creating the email body by concatenating the email body text, the file contents, and the boundary string. Finally, we're sending the email using the mail() function.

If you're using PHPMailer, you can use the following code:

<?php
require_once 'PHPMailer/PHPMailer.php';
require_once 'PHPMailer/SMTP.php';

// Create a new PHPMailer instance
$mail = new PHPMailer\PHPMailer\PHPMailer();

// Set the email subject and body
$mail->Subject = 'File Attachment';
$mail->Body = 'This is the email body';

// Set the file path and name
$file_path = 'path/to/your/file.txt';
$file_name = 'file.txt';

// Add the file to the email
$mail->addAttachment($file_path, $file_name);

// Set the email recipient
$mail->addAddress('[email protected]');

// Set the email sender
$mail->setFrom('[email protected]');

// Send the email
$mail->send();
?>

In this example, we're using the PHPMailer library to send an email with a file attachment. We're defining the email subject, body, and file path, as well as the file name. We're then adding the file to the email using the addAttachment() method, setting the email recipient and sender, and sending the email using the send() method.

Remember to replace the placeholders ([email protected], [email protected], and path/to/your/file.txt) with your actual email addresses and file paths.

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How to attach upload file in mail in php