<?php
/*
 * Custom PHP function to send an email with multiple attachments
 * $to Recipient email address
 * $subject Subject of the email
 * $message Mail body content
 * $senderEmasil Sender email address
 * $senderName Sender name
 * $files Files to attach with the email
 */
function multi_attach_mail($to, $subject, $message, $senderEmail, $senderName, $files = array()){

    $from = $senderName." <".$senderEmail.">"; 
    $headers = "From: $from";

    // Boundary 
    $semi_rand = md5(time()); 
    $mime_boundary = "==Multipart_Boundary_x{$semi_rand}x"; 

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

    // Multipart boundary 
    $message = "--{$mime_boundary}\n" . "Content-Type: text/html; charset=\"UTF-8\"\n" .
    "Content-Transfer-Encoding: 7bit\n\n" . $message . "\n\n"; 

    // Preparing attachment
	if(!empty($files)){
		for($i=0;$i<count($files);$i++){
			if(is_file($files[$i])){
				$file_name = basename($files[$i]);
				$file_size = filesize($files[$i]);
				
				$message .= "--{$mime_boundary}\n";
				$fp =    @fopen($files[$i], "rb");
				$data =  @fread($fp, $file_size);
				@fclose($fp);
				$data = chunk_split(base64_encode($data));
				$message .= "Content-Type: application/octet-stream; name=\"".$file_name."\"\n" . 
				"Content-Description: ".$file_name."\n" .
				"Content-Disposition: attachment;\n" . " filename=\"".$file_name."\"; size=".$file_size.";\n" . 
				"Content-Transfer-Encoding: base64\n\n" . $data . "\n\n";
			}
		}
	}
	
    $message .= "--{$mime_boundary}--";
    $returnpath = "-f" . $senderEmail;
	
	// Send email
    $mail = @mail($to, $subject, $message, $headers, $returnpath); 
	
	// Return true, if email sent, otherwise return false
    if($mail){
		return true;
	}else{
		return false;
	}
}


// Email configuration
$to = 'dsi.pro2000@gmail.com';
$from = 'sender@example.com';
$fromName = 'CodexWorld';

$subject = 'Send Email with Multiple Attachments in PHP by CodexWorld'; 

// Attachment files
$files = array(
	'files/codex-web-view.png',
	'files/codex-site.pdf'
);

$htmlContent = '
	<h3>Email with Multiple Attachments by CodexWorld</h3>
	<h4>This HTML email has sent from the script with multiple attachments using PHP.</h4>
	<p><b>Total Attachments:</b> '.count($files).'</p>';

// Call function and pass the required arguments
$sendEmail = multi_attach_mail($to, $subject, $htmlContent, $from, $fromName, $files);

// Email sending status
if($sendEmail){
	echo 'The email has sent successfully.';
}else{
	echo 'Mail sending failed!';
}

?>