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Upload Attachments & Contents/HTML Images

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Hello mates,
I'm having difficulty uploading the attachments to download the attached image or file .. the link is always incorrect.
And in the message field, I am not able to make the messages appear in HTML format, for example, if you want to put an image in the message, it does not appear anything ..
I have the following code
$letter_html = "";
// $op_getKey = preg_match_all("/alternative; boundary=\"(.*)\"/", $email_body, $getKey);
$op_getKey = preg_match_all("/boundary=\"(.*)\"/", $email_body, $getKey);
$has_attachment = preg_match_all("/multipart\/mixed/", $email_body, $attachment);
if ($op_getKey) {
	if ($has_attachment) {
		$mailParts = explode("--" . $getKey[1][1], $email_body);
		$attachParts = explode("--" . $getKey[1][0], $email_body);
		$get_attach_name=preg_match_all("/filename=\"(.*?)\"/", $attachParts[2], $attach_name);
		$get_attach_type=preg_match_all("/Content-Type: (.*?);/", $attachParts[2], $attach_type);
		$pure_code = explode("\n\n",$attachParts[2]);
		$pure_code = str_replace("\r","",$pure_code[1]);
		$pure_code = str_replace("\n","",$pure_code);
		$mailParts = explode("--" . $getKey[1][0], $email_body);
	// $letter_text = str_replace('Content-Type: text/plain; charset="UTF-8"', '', $mailParts[1]);
	// echo $letter_text;

	$the_mail = $mailParts[2];

	$to_replace = array(
		'Content-Type: text/html; charset="UTF-8"',
		'Content-Type: text/html; charset=UTF-8',
		'Content-Type: text/html; charset="utf-8"',
		'Content-Type: text/html; charset=utf-8',
		'Content-Type: text/html; charset="iso-8859-1"',
		'Content-Type: text/html; charset=iso-8859-1',
		'Content-Type: text/html; charset="ISO-8859-1"',
		'Content-Type: text/html; charset=ISO-8859-1',
		'Content-Type: text/plain; charset="iso-8859-1"',

	foreach ($to_replace as $k => $v) {
		$the_mail = str_replace($to_replace[$k], '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset="UTF-8"', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset=UTF-8', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset="utf-8"', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset=utf-8', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset="iso-8859-1"', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset=iso-8859-1', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset="ISO-8859-1"', '', $the_mail);
	  //$the_mail = str_replace('Content-Type: text/html; charset=ISO-8859-1', '', $the_mail);

	if (preg_match_all("/Content-Transfer-Encoding: quoted-printable/", $the_mail, $mailToDecode)) {
		$message_to_decode = str_replace('Content-Transfer-Encoding: quoted-printable', '', $the_mail);
		$letter_html = quoted_printable_decode($message_to_decode);
	}elseif(preg_match_all("/Content-Transfer-Encoding: base64/", $the_mail, $mailToDecode)){
		$message_to_decode = str_replace('\r', '', $the_mail);
		$message_to_decode = str_replace('\n', '', $message_to_decode);
		$message_to_decode = str_replace('Content-Transfer-Encoding: base64', '', $message_to_decode);
		$letter_html = base64_decode($message_to_decode);
		// $letter_html = $message_to_decode;
	} else {
		$letter_html = $the_mail;
	// echo $letter_html;
} else {

	$mailParts = explode("\n\n", $email_body);

	foreach ($mailParts as $k => $v) {
		if ($k > 0) {
			$letter_html .= $v . "\n\n";

	if(preg_match_all("/Content-Transfer-Encoding: base64/", $email_body, $mailToDecode)){
		$message_to_decode = str_replace('\r', '', $letter_html);
		$message_to_decode = str_replace('\n', '', $message_to_decode);
		$letter_html = base64_decode($message_to_decode);
		// $letter_html = $message_to_decode;

I use the following for the Annexes

<a target="_blank" href="data:<?=$attach_type[1][0]?>;base64,<?=$pure_code?>"><?=$attach_name[1][0]?></a>

And I use the following for message information

Let me see if you can help me;)
Thank you,
Best Regards


Edited by Joob

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