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PHP ftp_ssl_connect

PHP original manual for ftp_ssl_connect [ show | php.net ]

ftp_ssl_connect

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

ftp_ssl_connect — Opens a Secure SSL-FTP connection

Description

resource ftp_ssl_connect ( string $host [, int $port = 21 [, int $timeout = 90 ]] )

ftp_ssl_connect() opens an explicit SSL-FTP connection to the specified host. That implies that ftp_ssl_connect() will succeed even if the server is not configured for SSL-FTP, or its certificate is invalid. Only when ftp_login() is called, the client will send the appropriate AUTH FTP command, so ftp_login() will fail in the mentioned cases.

Note: Why this function may not exist

ftp_ssl_connect() is only available if both the ftp module and the OpenSSL support is built statically into php, this means that on Windows this function will be undefined in the official PHP builds. To make this function available on Windows you must compile your own PHP binaries.

Note:

ftp_ssl_connect() is not intended for use with sFTP. To use sFTP with PHP, please see ssh2_sftp().

Parameters

host

The FTP server address. This parameter shouldn't have any trailing slashes and shouldn't be prefixed with ftp://.

port

This parameter specifies an alternate port to connect to. If it is omitted or set to zero, then the default FTP port, 21, will be used.

timeout

This parameter specifies the timeout for all subsequent network operations. If omitted, the default value is 90 seconds. The timeout can be changed and queried at any time with ftp_set_option() and ftp_get_option().

Return Values

Returns a SSL-FTP stream on success or FALSE on error.

Changelog

Version Description
5.2.2 The function was changed to return FALSE when it can't use an SSL connection, instead of falling back to a non-SSL one as previously.

Examples

Example #1 ftp_ssl_connect() example

<?php

// set up basic ssl connection
$conn_id = ftp_ssl_connect($ftp_server);

// login with username and password
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);

if (!$login_result) {
    // PHP will already have raised an E_WARNING level message in this case
    die("can't login");
}

echo ftp_pwd($conn_id); // /

// close the ssl connection
ftp_close($conn_id);
?>

See Also