/**
* Inspired by os.networkInterfaces() from node.js.
*
* @return {array} Returns a brief info of available network interfaces.
*/
public static function networkInterfaces()
{
switch (strtoupper(PHP_OS)) {
case 'DARWIN':
// MAC OS X
$res = preg_split('/\\n/', @`ifconfig`);
$res = array_filter(array_map('trim', $res));
$result = array();
foreach ($res as $row) {
if (preg_match('/^(\\w+\\d+)\\:\\s+(.+)/', $row, $matches)) {
$result['__currentInterface'] = $matches[1];
$result[$result['__currentInterface']]['__internal'] = false !== strpos($matches[2], 'LOOPBACK');
} else {
if (preg_match('/^inet(6)?\\s+([^\\/\\s]+)(?:%.+)?/', $row, $matches)) {
$iface =& $result[$result['__currentInterface']];
@($iface[] = array('address' => $matches[2], 'family' => $matches[1] ? 'IPv6' : 'IPv4', 'internal' => $iface['__internal']));
unset($iface);
}
}
unset($matches);
}
unset($row, $res);
unset($result['__currentInterface']);
return array_filter(array_map(compose('array_filter', removes('__internal')), $result));
case 'LINUX':
// $ifaces = `ifconfig -a | sed 's/[ \t].*//;/^\(lo\|\)$/d'`;
// $ifaces = preg_split('/\s+/', $ifaces);
$res = preg_split('/\\n/', @`ip addr`);
$res = array_filter(array_map('trim', $res));
$result = array();
foreach ($res as $row) {
if (preg_match('/^\\d+\\:\\s+(\\w+)/', $row, $matches)) {
$result['__currentInterface'] = $matches[1];
} else {
if (preg_match('/^link\\/(\\w+)/', $row, $matches)) {
$result[$result['__currentInterface']]['__internal'] = strtolower($matches[1]) == 'loopback';
} else {
if (preg_match('/^inet(6)?\\s+([^\\/]+)(?:\\/\\d+)?.+\\s([\\w\\d]+)(?:\\:\\d+)?$/', $row, $matches)) {
@($result[$matches[3]][] = array('address' => $matches[2], 'family' => $matches[1] ? 'IPv6' : 'IPv4', 'internal' => Utility::cascade(@$result[$matches[3]]['__internal'], false)));
}
}
}
unset($matches);
}
unset($row, $res);
unset($result['__currentInterface']);
return array_filter(array_map(compose('array_filter', removes('__internal')), $result));
case 'WINNT':
// Currently not supported.
// Currently not supported.
default:
return false;
}
}
