How to Attach Multiple Files to an Email Using PHP?

Attaching Multiple Files in Email via PHP

Problem:

The PHP code provided initially allows the attachment and sending of only a single file. However, the need arises to attach and send two files simultaneously, typically in different formats (e.g., RAR and PDF).

Solution:

To send multiple attachments in an email using PHP, modify the code as follows:

<br>$files = ['path/to/example.rar', 'path/to/example.pdf']; // Array of file paths</p>
<p>// ...</p>
<p>for($x=0;$x<count($files);$x  ){</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">$file = fopen($files[$x],"rb");
$data = fread($file,filesize($files[$x]));
fclose($file);
$data = chunk_split(base64_encode($data));
$message .= "Content-Type: {\"application/octet-stream\"};\n" . " name=\"$files[$x]\"\n" . 
"Content-Disposition: attachment;\n" . " filename=\"$files[$x]\"\n" . 
"Content-Transfer-Encoding: base64\n\n" . $data . "\n\n";
$message .= "--{$mime_boundary}\n";

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}

Explanation:

• The $files array contains the paths to the files that need to be attached.
• The for loop iterates through the array, reads the file contents into the $data variable, and encodes it using base64.
• The $message variable is appended with the appropriate headers for each file attachment, including the filename, content type, and base64-encoded data.
• After all files are processed, the $message variable is ready to be sent as the email content.

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