mailparse

gistfile1.aw

<?php
$file = file_get_contents(dirname(__DIR__) . '/test/mail.txt');
$mail = mailparse_msg_create();
mailparse_msg_parse($mail, $file);
$struct = mailparse_msg_get_structure($mail);

$parts = array();
foreach($struct as $st) {
	$section = mailparse_msg_get_part($mail, $st);
	$info = mailparse_msg_get_part_data($section);

	$parts[$st] = $info;
	$parts[$st]['body'] = substr($file, $info['starting-pos-body'], $info['ending-pos-body'] - $info['starting-pos-body']);
}

$headers =& $parts[1]['headers'];
array_walk($headers, function(&$val, $key) use(&$headers) {
	if ('subject' === $key) {
		$val = mb_decode_mimeheader($val);
	}
	if (in_array($key, array('delivered-to', 'return-path', 'to', 'from', 'reply-to'))) {
		$val = mailparse_rfc822_parse_addresses($val);
	}
});
array_walk($parts, function(&$val, $key) use(&$parts) {
	if (!empty($val['transfer-encoding'])) {
		switch ($val['transfer-encoding']) {
			case 'base64':
				$val['body'] = base64_decode($val['body']);
				break;
			case 'quoted-printable':
				$val['body'] = quoted_printable_decode($val['body']);
				break;
		}
	}
	if (!empty($val['content-charset'])) {
		$val['body'] = mb_convert_encoding($val['body'], 'UTF-8', $val['content-charset']);
	}
});

print_r($parts);