/**
* Singleton to instantiate the class
*
* @return mixed Object of the class
*/
public static function getInstance()
{
if (self::$instance === NULL) {
$klasse = __CLASS__;
self::$instance = new $klasse();
}
return self::$instance;
}
/**
* 连接ftp
*
* $ftp = 'ftp://*****:*****@192.168.99.1:21'
* @param string $ftp ftp连接url
* @return boolean
*/
function ftp_connect_v2($ftp)
{
if (!preg_match('/^ftp:\\/\\/[^:]+:[^@]+@[\\d\\.]+(:\\d+)?$/i', $ftp) || !($ftp = parse_url($ftp))) {
return false;
} elseif (@$ftp['scheme'] != 'ftp') {
return false;
} elseif (empty($ftp['host'])) {
return false;
} else {
$ftp += array('port' => 21, 'user' => '', 'pass' => '');
}
$fp = FTP::instance($ftp['host'], $ftp['port'], $ftp['user'], $ftp['pass']);
if (!$fp->connect()) {
return $fp->error();
}
return $fp;
}