phpmailer.php

	<php
	
	protected function prepareHTMLEmail($htmlMessage)
	{


		preg_match_all('~<img.*?src=.([\/.a-z0-9:_-]+).*?>~si', $htmlMessage, $matches);
		$i     = 0;
		$paths = [];

// 		echo $_SERVER['DOCUMENT_ROOT'];

		foreach ($matches[1] as $img) {
			$img_old = $img;

			//replace host name according to current domain alias
			$img = makeLinkDynamic($img);

			if (strpos($img, "http://") == false) {
				$uri               = parse_url($img);
				$paths[$i]['path'] = $_SERVER['DOCUMENT_ROOT'] . $uri['path'];
// 				echo "testpath" . $paths[$i]['path'];
				$content_id         = md5($img);
				$htmlMessage        = str_replace($img_old, 'cid:' . $content_id, $htmlMessage);
				$paths[$i++]['cid'] = $content_id;
			}
		}
		$boundary = "--" . md5(uniqid(time()));
		$header   = "MIME-Version: 1.0\n";
		$header .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";

		$multipart = '';
		$multipart .= "--$boundary\n";
		$kod = 'utf-8';
		$multipart .= "Content-Type: text/html; charset=$kod\n";
		$multipart .= "Content-Transfer-Encoding: base64\n\n";
		$multipart .= chunk_split(base64_encode($htmlMessage)) . "\n\n";
		foreach ($paths as $path) {
			if (file_exists($path['path'])) {
				$fp = fopen($path['path'], "r");
			}
			if ( ! $fp) {
				//return false;
			}

			$imagetype = substr(strrchr($path['path'], '.'), 1);
			$file      = fread($fp, filesize($path['path']));
			fclose($fp);

			$message_part = "";

			switch ($imagetype) {
				case 'png':
				case 'PNG':
					$message_part .= "Content-Type: image/png";
					break;
				case 'jpg':
				case 'jpeg':
				case 'JPG':
				case 'JPEG':
					$message_part .= "Content-Type: image/jpeg";
					break;
				case 'gif':
				case 'GIF':
					$message_part .= "Content-Type: image/gif";
					break;
			}

			$message_part .= "; file_name = \"$path\"\n";
			$message_part .= 'Content-ID: <' . $path['cid'] . ">\n";
			$message_part .= "Content-Transfer-Encoding: base64\n";
			$message_part .= "Content-Disposition: inline; filename = \"" . basename($path['path']) . "\"\n\n";
			$message_part .= chunk_split(base64_encode($file)) . "\n";
			$multipart .= "--$boundary\n" . $message_part . "\n";

		}

		$multipart .= "--$boundary--\n";


		return [
			'multipart' => $multipart,
			'headers'   => $header
		];
	}