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ftp_systype

(PHP 4, PHP 5, PHP 7, PHP 8)

ftp_systypeReturns the system type identifier of the remote FTP server

Description

ftp_systype(FTP\Connection $ftp): string|false

Returns the system type identifier of the remote FTP server.

Parameters

ftp

An FTP\Connection instance.

Return Values

Returns the remote system type, or false on error.

Changelog

Version Description
8.1.0 The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.

Examples

Example #1 ftp_systype() example

<?php

// ftp connection
$ftp = ftp_connect('ftp.example.com');
ftp_login($ftp, 'user', 'password');

// get the system type
if ($type = ftp_systype($ftp)) {
echo
"Example.com is powered by $type\n";
} else {
echo
"Couldn't get the systype";
}

?>

The above example will output something similar to:

Example.com is powered by UNIX

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User Contributed Notes 1 note

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Buckwheat469 at hotmail dot com
17 years ago
ftp_systype can be a good way of checking the state of a connection, since PHP doesn't have a better system to check the state of an ftp connection (is_connected would be nice).

if (!($type = ftp_systype($conn_id))) {
echo "FTP connection has failed! Trying again.\n";
$conn_id = ftp_connect($ftp_server);
$login_result = ftp_login($conn_id, $ftp_user, $ftp_pass);
}
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