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<?php
function win_getmxrr($hostname, &$mxhosts, &$mxweight = false) {
if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') {
return;
}
if (!is_array($mxhosts)) {
$mxhosts = array();
}
if (empty($hostname)) {
return;
}
$exec = 'nslookup -type=MX ' . escapeshellarg($hostname);
@exec($exec, $output);
if (empty($output)) {
return;
}
$i = -1;
foreach ($output as $line) {
$i++;
if (preg_match("/^{$hostname}\tMX preference = ([0-9]+), mail exchanger = (.+)\$/i", $line, $parts)) {
$mxweight[$i] = trim($parts[1]);
$mxhosts[$i] = trim($parts[2]);
}
if (preg_match('/responsible mail addr = (.+)$/i', $line, $parts)) {
$mxweight[$i] = $i;
$mxhosts[$i] = trim($parts[1]);
}
}
return $i != -1;
}
if (!function_exists('getmxrr')) {
function getmxrr($hostname, &$mxhosts, &$mxweight = false) {
return win_getmxrr($hostname, $mxhosts, $mxweight);
}
}
if (!function_exists('checkdnsrr')) {
function checkdnsrr($host, $type = '') {
if (!empty($host)) {
$type = empty($type) ? 'MX' : $type;
exec('nslookup -type=' . $type . ' ' . escapeshellcmd($host), $result);
$it = new ArrayIterator($result);
foreach (new RegexIterator($it, '~^' . $host . '~', RegexIterator::GET_MATCH) as $result) {
if ($result) {
return true;
}
}
}
return false;
}
}