API16:JFilesystemHelper/remotefsize

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Description

Remote file size function for streams that don't support it http://www.php.net/manual/en/function.filesize.php#71098

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Syntax

remotefsize($url)

Parameter Name	Default Value	Description
$url

Defined in

libraries/joomla/filesystem/helper.php

Importing

jimport( 'joomla.filesystem.helper' );

Source Body

function remotefsize($url) {
        $sch = parse_url($url, PHP_URL_SCHEME);
        if (($sch != "http") && ($sch != "https") && ($sch != "ftp") && ($sch != "ftps")) {
                return false;
        }
        if (($sch == "http") || ($sch == "https")) {
                $headers = get_headers($url, 1);
                if ((!array_key_exists("Content-Length", $headers))) { return false; }
                return $headers["Content-Length"];
        }
        if (($sch == "ftp") || ($sch == "ftps")) {
                $server = parse_url($url, PHP_URL_HOST);
                $port = parse_url($url, PHP_URL_PORT);
                $path = parse_url($url, PHP_URL_PATH);
                $user = parse_url($url, PHP_URL_USER);
                $pass = parse_url($url, PHP_URL_PASS);
                if ((!$server) || (!$path)) { return false; }
                if (!$port) { $port = 21; }
                if (!$user) { $user = "anonymous"; }
                if (!$pass) { $pass = ""; }
                switch ($sch) {
                        case "ftp":
                                $ftpid = ftp_connect($server, $port);
                                break;
                        case "ftps":
                                $ftpid = ftp_ssl_connect($server, $port);
                                break;
                }
                if (!$ftpid) { return false; }
                $login = ftp_login($ftpid, $user, $pass);
                if (!$login) { return false; }
                $ftpsize = ftp_size($ftpid, $path);
                ftp_close($ftpid);
                if ($ftpsize == -1) { return false; }
                return $ftpsize;
        }
}

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Examples

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