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Nov 03, 2024 am 03:35 AM

How to Attach Multiple Files to Emails in PHP?

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<code class="php">// Prepare the email fields
$to = "recipient@example.com";
$from = "sender@example.com";
$subject = "Email with Attachments";
$message = "This email contains multiple attachments.";
$headers = "From: $from";

// Generate a random boundary
$semi_rand = md5(time());
$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";

// Prepare the multipart message
$message = "This is a multi-part message in MIME format.\n\n" .
    "--{$mime_boundary}\n" .
    "Content-Type: text/plain; charset=\"iso-8859-1\"\n" .
    "Content-Transfer-Encoding: 7bit\n\n" .
    $message . "\n\n";

// Prepare attachments
$files = ["file1.pdf", "file2.rar"];
foreach ($files as $file) {
    $file_content = file_get_contents($file);
    $encoded_content = chunk_split(base64_encode($file_content));

    $message .= "--{$mime_boundary}\n" .
        "Content-Type: application/octet-stream;\n" .
        " name=\"$file\"\n" .
        "Content-Disposition: attachment;\n" .
        " filename=\"$file\"\n" .
        "Content-Transfer-Encoding: base64\n\n" .
        $encoded_content . "\n\n";
}

// Complete the message
$message .= "--{$mime_boundary}--\n";

// Headers for attachment
$headers .= "\nMIME-Version: 1.0\n" .
    "Content-Type: multipart/mixed;\n" .
    " boundary=\"{$mime_boundary}\"";

// Send the email
if (mail($to, $subject, $message, $headers)) {
    echo "Email sent with attachments.";
} else {
    echo "Failed to send email.";
}</code>

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