Note that to make an anonymous ftp connection, you need to specify "anonymous" as the username and "" (empty string) as the password.
Example:
<?php
ftp_login('ftp.example.com', 'anonymous', '');
?>
ftp_login
(PHP 4, PHP 5)
ftp_login — Logs in to an FTP connection
Description
bool ftp_login
( resource
$ftp_stream
, string $username
, string $password
)Logs in to the given FTP stream.
Parameters
-
ftp_stream -
The link identifier of the FTP connection.
-
username -
The username (USER).
-
password -
The password (PASS).
Return Values
Returns TRUE on success or FALSE on failure.
If login fails, PHP will also throw a warning.
Examples
Example #1 ftp_login() example
<?php
$ftp_server = "ftp.example.com";
$ftp_user = "foo";
$ftp_pass = "bar";
// set up a connection or die
$conn_id = ftp_connect($ftp_server) or die("Couldn't connect to $ftp_server");
// try to login
if (@ftp_login($conn_id, $ftp_user, $ftp_pass)) {
echo "Connected as $ftp_user@$ftp_server\n";
} else {
echo "Couldn't connect as $ftp_user\n";
}
// close the connection
ftp_close($conn_id);
?>
mattsch at gmail dot com ¶
2 years ago
Guibod ¶
8 years ago
ftp_login does not support ftp trough proxy authentication. So think about using the new PHP5 function ftp_raw() that's allow you to send directly FTP commands. ftp_raw() allow you to send commands prior to be connected (unlike ftp_exec()).
I've writen this piece of code that's allow you to connect through a "remoteid@remotehost proxyid" proxy.
<?php
function ftp_parse_response($response, &$errstr) {
if(!is_array($response)) {
$errstr = 'Parameter \$response must be an array';
return false;
}
foreach($response as $r) {
$code = substr(trim($r),0,3);
if(!is_numeric($code)) {
$errstr = "$code is not a valid FTP code",$code);
}
if($code > 400) {
$errstr = $r;
return false;
}
}
return true;
}
$user = "user";
$pass = "password";
$host = "ftp.example.com";
$proxyuser = "proxyuser";
$proxypass = "proxypass";
$proxyhost = "ftp.proxy.com";
$conn_id = ftp_connect($proxyhost);
if(!$conn_id) {
die("cannot connect to proxy");
}
$commands = array(
"USER ".$user."@".$host." ".$proxyuser,
"PASS ".$pass,
"PASS ".$proxypass
);
foreach($commands as $c) {
$ret = ftp_raw($conn_id,$c);
//you can write your own ftp_parse_response func that
//use an array of string as input
if(!ftp_parse_response($ret,$errstr)) {
ftp_close($conn_id);
die("cannot login to $host");
}
}
echo "ok, now connected";
?>
Patrick Otto ¶
10 months ago
<?php
# This function fix problems with ftp login validation
function connect_send_ftp($ftp_server, $ftp_user_name, $ftp_user_pass, $remote_name, $local_name) {
// valid host connection
if (!ftp_connect($ftp_server))
return false;
$conn_id = ftp_connect($ftp_server);
// valid ftp login params, fast check
if(empty($ftp_user_name) or empty($ftp_user_pass))
return false;
// using curl to valid login, fast check
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL,'ftp://'.preg_replace('/^ftp[:]\/\//i','',$ftp_server));
curl_setopt($curl, CURLOPT_FTPLISTONLY, 1);
curl_setopt($curl, CURLOPT_USERPWD, $ftp_user_name.":".$ftp_user_pass);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$valid_login = curl_exec ($curl);
// valid ftp login, primary
if(!$valid_login)
return false;
// valid ftp login, secondary
if(!ftp_login($conn_id, $ftp_user_name, $ftp_user_pass))
return false;
// passive result
$passive_result = ftp_pasv($conn_id, true);
// save file send erros
$error = ftp_put($conn_id, $remote_name, $local_name, FTP_ASCII);
// close connection
ftp_close($conn_id);
// return success or send erros
return $error;
}
// set params
$ftp_server = "ftp.example.com"
$ftp_user_name = "user";
$ftp_user_pass = "password";
$remote_name = "my_remote_file_dir";
$local_name = "my_local_file_dir";
// call the function
$conn = connect_send_ftp($ftp_server, $ftp_user_name, $ftp_user_pass, $remote_name, $local_name);
// valid response
if(!$conn)
die("FTP login failed..")
// if not erros, success
echo "FTP login and file sended sucessfull!"
?>
