ftp_ssl_connect
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
ftp_ssl_connect — Opens a Secure SSL-FTP connection
Description
$host
[, int $port = 21
[, int $timeout = 90
]] ) : resource
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().
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);
?>
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-ftp-ssl-connect.html
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References
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