FTP Functions
Table of Contents
- ftp_alloc — Allocates space for a file to be uploaded
- ftp_cdup — Changes to the parent directory
- ftp_chdir — Changes the current directory on a FTP server
- ftp_chmod — Set permissions on a file via FTP
- ftp_close — Closes an FTP connection
- ftp_connect — Opens an FTP connection
- ftp_delete — Deletes a file on the FTP server
- ftp_exec — Requests execution of a command on the FTP server
- ftp_fget — Downloads a file from the FTP server and saves to an open file
- ftp_fput — Uploads from an open file to the FTP server
- ftp_get_option — Retrieves various runtime behaviours of the current FTP stream
- ftp_get — Downloads a file from the FTP server
- ftp_login — Logs in to an FTP connection
- ftp_mdtm — Returns the last modified time of the given file
- ftp_mkdir — Creates a directory
- ftp_nb_continue — Continues retrieving/sending a file (non-blocking)
- ftp_nb_fget — Retrieves a file from the FTP server and writes it to an open file (non-blocking)
- ftp_nb_fput — Stores a file from an open file to the FTP server (non-blocking)
- ftp_nb_get — Retrieves a file from the FTP server and writes it to a local file (non-blocking)
- ftp_nb_put — Stores a file on the FTP server (non-blocking)
- ftp_nlist — Returns a list of files in the given directory
- ftp_pasv — Turns passive mode on or off
- ftp_put — Uploads a file to the FTP server
- ftp_pwd — Returns the current directory name
- ftp_quit — Alias of ftp_close
- ftp_raw — Sends an arbitrary command to an FTP server
- ftp_rawlist — Returns a detailed list of files in the given directory
- ftp_rename — Renames a file or a directory on the FTP server
- ftp_rmdir — Removes a directory
- ftp_set_option — Set miscellaneous runtime FTP options
- ftp_site — Sends a SITE command to the server
- ftp_size — Returns the size of the given file
- ftp_ssl_connect — Opens an Secure SSL-FTP connection
- ftp_systype — Returns the system type identifier of the remote FTP server
Коментарии
connection to a ftp server across proxy
$ftp_server = "proxy"; f.e. 123.456.789.10
$ftp_user_name = "username@ftpserver"; f.e. exampleuk@www.example.uk
$ftp_user_pass = "password";
$conn_id = ftp_connect($ftp_server, 2121);
$login_result = ftp_login( $conn_id, $ftp_user_name, $ftp_user_pass );
I think what some other posts were trying to say which may need clarification is that in PHP 4.2.3, ftp_connect("myhost.com") was failing most of the time, except it would work like every few minutes.
The fix is that ftp_connect seems to have a bug resolving addresses. If you do:
$hostip = gethostbyname($host);
$conn_id = ftp_connect($hostip);
It seems to solve the problem.
(Other users referred to an ftpbuf() error... not sure what that is, but this should fix it.)
Here's another FTP interface over PHP (also uses MySQL)
http://myftp.alishomepage.com
PS: this script will ALSO allow you to download its source... So it becomes interesting for YOU PROGRAMMERS as well :D
<?
//If you want to move or replicate the folder hierarchy from your current server to another remote server. Then this will be helpful as this will browse the current server's directory and at the same time it will copy that file in the remote server in the same directory.
//This script will copy all the files from this directory and subdirectory to another remote server via FTP
function rec_copy ($source_path, $destination_path, $con)
{
ftp_mkdir($con, $destination_path);
ftp_site($con, 'CHMOD 0777 '.$destination_path);
ftp_chdir($con,$destination_path);
if (is_dir($source_path))
{
chdir($source_path);
$handle=opendir('.');
while (($file = readdir($handle))!==false)
{
if (($file != ".") && ($file != ".."))
{
if (is_dir($file))
{
// here i am restricting the folder name 'propertyimages' from being copied to remote server. -- VK
if($file != "propertyimages")
{
rec_copy ($source_path."/".$file, $file, $con);
chdir($source_path);
ftp_cdup($con);
}
}
if (is_file($file))
{
$fp = fopen($file,"r");
// this will convert spaces to '_' so that it will not throw error. -- VK
ftp_fput ($con, str_replace(" ", "_", $file), $fp,FTP_BINARY);
ftp_site($con, 'CHMOD 0755 '.str_replace(" ", "_", $file));
}
}
}
closedir($handle);
}
}
// make a FTP connection --VK
$con = ftp_connect("69.18.213.131",21);
$login_result = ftp_login($con,"username","password");
// this is the root path for the remote server-- VK
$rootpath = "mainwebsite_html";
// this is the physical path of the source directory. actually u can also use the relative path. -- VK
$sourcepath = realpath("../")."/resdesk";
// this directory name will only change the top most directory and not the inner one -- VK
$destination_dir_name = "resdesk_".$account_id."/";
rec_copy ($sourcepath, $destination_dir_name, $con);
if (function_exists("ftp_close"))
{
ftp_close($con);
}
?>
I have written an OpenSource ZIP2FTP interface, which actually takes a given ZIP file and decompresses it in the folder on an FTP server you specify...
Therefore it may be quite interesting for you people interested in FTP, its adress is http://zip2ftp.alishomepage.com ; those who directly want the source may visit http://zip2ftp.alishomepage.com/?do=getSource
Here's a little function that I created to recurse through a local directory and upload the entire contents to a remote FTP server.
In the example, I'm trying to copy the entire "iwm" directory located at /home/kristy/scripts/iwm to a remote server's /public_html/test/ via FTP.
The only trouble is that for the line "if (!ftp_chdir($ftpc,$ftproot.$srcrela))", which I use to check if the directory already exists on the remote server, spits out a warning about being unable to change to that directory if it doesn't exist.
But an error handler should take care of it.
My thanks to the person who posted the snippet on retrieving the list of files in a directory.
For the version of the script that echo's it's progress as it recurses & uploads, go to: http://pastebin.com/73784
<?php
// --------------------------------------------------------------------
// THE TRIGGER
// --------------------------------------------------------------------
// set the various variables
$ftproot = "/public_html/test/";
$srcroot = "/home/kristy/scripts/";
$srcrela = "iwm/";
// connect to the destination FTP & enter appropriate directories both locally and remotely
$ftpc = ftp_connect("ftp.mydomain.com");
$ftpr = ftp_login($ftpc,"username","password");
if ((!$ftpc) || (!$ftpr)) { echo "FTP connection not established!"; die(); }
if (!chdir($srcroot)) { echo "Could not enter local source root directory."; die(); }
if (!ftp_chdir($ftpc,$ftproot)) { echo "Could not enter FTP root directory."; die(); }
// start ftp'ing over the directory recursively
ftpRec ($srcrela);
// close the FTP connection
ftp_close($ftpc);
// --------------------------------------------------------------------
// THE ACTUAL FUNCTION
// --------------------------------------------------------------------
function ftpRec ($srcrela)
{
global $srcroot;
global $ftproot;
global $ftpc;
global $ftpr;
// enter the local directory to be recursed through
chdir($srcroot.$srcrela);
// check if the directory exists & change to it on the destination
if (!ftp_chdir($ftpc,$ftproot.$srcrela))
{
// remote directory doesn't exist so create & enter it
ftp_mkdir ($ftpc,$ftproot.$srcrela);
ftp_chdir ($ftpc,$ftproot.$srcrela);
}
if ($handle = opendir("."))
{
while (false !== ($fil = readdir($handle)))
{
if ($fil != "." && $fil != "..")
{
// check if it's a file or directory
if (!is_dir($fil))
{
// it's a file so upload it
ftp_put($ftpc, $ftproot.$srcrela.$fil, $fil, FTP_BINARY);
}
else
{
// it's a directory so recurse through it
if ($fil == "templates")
{
// I want the script to ignore any directories named "templates"
// and therefore, not recurse through them and upload their contents
}
else
{
ftpRec ($srcrela.$fil."/");
chdir ("../");
}
}
}
}
closedir($handle);
}
}
?>
If you prefer a OO-approach to the FTP-functions, you can use this snippet of code (PHP5 only! and does add some overhead). It's just a "start-up", extend/improve as you wish...
You can pass all ftp_* functions to your object and stripping ftp_ of the function name. Plus, you don't have to pass the ftp-resource as the first argument.
For example:
<?php
ftp_delete($ftp, $file); // Where $ftp is your ftp-resource
?>
Can become:
<?php
$ftp->delete($file); // Where $ftp is your FTP-object
?>
Code:
<?php
class FTP {
private $ftp;
/* public Void __construct(): Constructor */
public function __construct($host, $port = 21, $timeout = 90) {
$this->ftp = ftp_connect($host, $port, $timeout);
}
/* public Void __destruct(): Destructor */
public function __destruct() {
@ftp_close($this->ftp);
}
/* public Mixed __call(): Re-route all function calls to the PHP-functions */
public function __call($function, $arguments) {
// Prepend the ftp resource to the arguments array
array_unshift($arguments, $this->ftp);
// Call the PHP function
return call_user_func_array('ftp_' . $function, $arguments);
}
}
?>
It may seem obvious to others, but it had me stumped for nearly an hour! If you can connect to an ftp site but some functions (list, put, get etc) don't work, then try using ftp_pasv and set passive mode on.
<?php
// setup $host and $file variables for your setup before here...
$hostip = gethostbyname($host);
$conn_id = ftp_connect($hostip);
// login with username and password
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
// IMPORTANT!!! turn passive mode on
ftp_pasv ( $conn_id, true );
if ((!$conn_id) || (!$login_result)) {
echo "FTP connection has failed!";
echo "Attempted to connect to $host for user $ftp_user_name";
die;
} else {
echo "Connected to $host, for user $ftp_user_name<br>";
echo "Host IP is $hostip<br>";
// upload a file
if (ftp_put($conn_id, $remote_file, $file, FTP_ASCII)) {
echo "successfully uploaded $file<br>";
} else {
echo "There was a problem while uploading $file<br>";
}
// close the connection
ftp_close($conn_id);
}
?>
Here is an example for downloading a remote ftp structure to local server, useful for migrating sites from one server to another, especially when you are upgrading ensim ;)
http://leonardo.rol.ro/ftpleech.txt
This is a simple script writen by me which allows the user
run it in console and get tree from FTP Server.
<?php
$argv = $_SERVER["argv"];
$argv = array_slice($argv,1);
if (getenv("HTTP_HOST")) {exit("For bash execution only!");}
if ((empty($argv[0])) || (empty($argv[1]))) {exit("Usage: thisscript.php 10.0.0.10 /games/Arcade/
where 10.0.0.10 is the FTP Server and /games/Arcade is the start path on FTP\n");}
// connect to the ftp server
$connect_id = ftp_connect($argv[0]);
// login on the server
if ($connect_id) { $login_result = ftp_login($connect_id, 'anonymous', 'JustForFun'); }
// check connection
if ((!$connect_id) || (!$login_result)) {
echo "Unable to connect the remote FTP Server!\n";
exit;
}
function ftp_get_dir ($ftp_dir) {
global $connect_id;
$ftp_contents = ftp_nlist ($connect_id, $ftp_dir);
for ($myCounter_for_server_elements = 0; !empty ($ftp_contents[$myCounter_for_server_elements]);
$myCounter_for_server_elements++)
{
// get elements list in current dir
echo $argv[0] . $ftp_dir . $ftp_contents[$myCounter_for_server_elements] . "\n";
ftp_get_dir ($ftp_dir . $ftp_contents[$myCounter_for_server_elements] . '/');
}
}
ftp_get_dir ($argv[1]);
// close connection
ftp_close($connect_id);
?>
I didn't quite like my FTP program since I had to make all the settings all over when i restarted the client, so I made this script for simple ftp uploading, its running as a CLI app.
<?php
//if STDIN isn't defined, define it
if (!defined("STDIN"))
{
define("STDIN", fopen("php://stdin", "r"));
}
echo "FTP file uploader\r\n\r\n";
echo "Server: ";
//trim() all the fgets cause it seams to add a \n
$server = trim(fgets(STDIN));
echo "Username: ";
$username = trim(fgets(STDIN));
echo "Password: ";
$password = trim(fgets(STDIN));
$connect = ftp_connect($server);
$login = ftp_login($connect, $username, $password);
if ((!$connect) || (!$login))
{
exit("Login failed.\r\n");
}
echo "Connected\r\n";
echo "PASV (Y/Any key = Off): ";
if(trim(fgets(STDIN)) == "Y")
{
//enable passive mode
ftp_pasv($connect, true);
echo "PASV: On\r\n";
}
else
{
echo "PASV: Off\r\n";
}
$showContent = ftp_nlist($connect, "");
echo "Listing Contents:\r\n";
var_dump($showContent);
echo "File to upload: ";
$file = trim(fgets(STDIN));
//escape the uploading process by typing "exit;"
if ($file == "exit;")
{
exit;
}
//use "$file, $file" since the file shouldn't be renamed, also if its a binary file change the last argument to FTP_BINARY
$upload = ftp_put($connect, $file, $file, FTP_ASCII);
if (!$upload)
{
exit("Upload failed.\r\n");
}
else
{
echo "The file \"" . $file . "\" was successfully uploaded. :)\r\nSize of \"" . $file . "\": " . filesize($file) / 1024 ."kb.\r\n";
echo "My work is done, bye.\r\n";
}
ftp_close($connect);
?>
After looking everywhere for a "FULLY WORKING" ftp uploader script, I finally came up with this, by using a lot of various one’s I found on the web. If you find a better way of doing something, please let me know. Thanks, and Enjoy
<?php
if(isset($_POST['SubmitFile'])){
$myFile = $_FILES['txt_file']; // This will make an array out of the file information that was stored.
$file = $myFile['tmp_name']; //Converts the array into a new string containing the path name on the server where your file is.
$myFileName = basename($_POST['txt_fileName']); //Retrieve filename out of file path
$destination_file = "/".$myFileName; //where you want to throw the file on the webserver (relative to your login dir)
// connection settings
$ftp_server = "127.0.0.1"; //address of ftp server.
$ftp_user_name = "Your UserName"; // Username
$ftp_user_pass = "Your Password"; // Password
$conn_id = ftp_connect($ftp_server); // set up basic connection
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass) or die("<h2>You do not have access to this ftp server!</h2>"); // login with username and password, or give invalid user message
if ((!$conn_id) || (!$login_result)) { // check connection
// wont ever hit this, b/c of the die call on ftp_login
echo "FTP connection has failed! <br />";
echo "Attempted to connect to $ftp_server for user $ftp_user_name";
exit;
} else {
// echo "Connected to $ftp_server, for user $ftp_user_name <br />";
}
$upload = ftp_put($conn_id, $destination_file, $file, FTP_BINARY); // upload the file
if (!$upload) { // check upload status
echo "<h2>FTP upload of $myFileName has failed!</h2> <br />";
} else {
echo "Uploading $myFileName Complete!<br /><br />";
}
ftp_close($conn_id); // close the FTP stream
}
?>
<html>
<head>
</head>
<body>
<form enctype="multipart/form-data" action="<?php echo $_SERVER['PHP_SELF'];?>" method="POST">
Please choose a file: <input name="txt_file" type="file" id="txt_file" tabindex="1" size="35" onChange="txt_fileName.value=txt_file.value" />
<input name="txt_fileName" type="hidden" id="txt_fileName" tabindex="99" size="1" />
<input type="submit" name="SubmitFile" value="Upload File" accesskey="ENTER" tabindex="2" />
</form>
</body>
<html>
I fixed the below upload script to work with Windows uploads (and updated some of the syntax). I also added a Javascript "progress indicator" for those of us who don't use PHP 5.2
<?php
if(isset($_POST['start_upload']) && $_FILES['txt_file']['name'] != ""){
$local_file = $_FILES['txt_file']['tmp_name']; // Defines Name of Local File to be Uploaded
$destination_file = "/".basename($_FILES['txt_file']['name']); // Path for File Upload (relative to your login dir)
// Global Connection Settings
$ftp_server = "127.0.0.1"; // FTP Server Address (exlucde ftp://)
$ftp_user_name = "username"; // FTP Server Username
$ftp_user_pass = "password"; // Password
// Connect to FTP Server
$conn_id = ftp_connect($ftp_server);
// Login to FTP Server
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
// Verify Log In Status
if ((!$conn_id) || (!$login_result)) {
echo "FTP connection has failed! <br />";
echo "Attempted to connect to $ftp_server for user $ftp_user_name";
exit;
} else {
echo "Connected to $ftp_server, for user $ftp_user_name <br />";
}
$upload = ftp_put($conn_id, $destination_file, $local_file, FTP_BINARY); // Upload the File
// Verify Upload Status
if (!$upload) {
echo "<h2>FTP upload of ".$_FILES['txt_file']['name']." has failed!</h2><br /><br />";
} else {
echo "Success!<br />" . $_FILES['txt_file']['name'] . " has been uploaded to " . $ftp_server . $destination_file . "!<br /><br />";
}
ftp_close($conn_id); // Close the FTP Connection
}
?>
<html>
<head>
<script type="text/javascript">
window.onload = function() {
document.getElementById("progress").style.visibility = "hidden";
document.getElementById("prog_text").style.visibility = "hidden";
}
function dispProgress() {
document.getElementById("progress").style.visibility = "visible";
document.getElementById("prog_text").style.visibility = "visible";
}
</script>
</head>
<body>
<form action="<?php echo $_SERVER['PHP_SELF'];?>" method="POST" enctype="multipart/form-data">
Please choose a file: <input name="txt_file" type="file" size="35" />
<input type="submit" name="start_upload" value="Upload File" onClick="dispProgress()" />
</form>
<!-- Link to progress file: see http://www.ajaxload.info/ for animated gifs -->
<img id="progress" src="http://www.your.site/images/progress.gif" />
<p id="prog_text" style="display:inline;"> Upload Started!</p>
</body>
<html>
A function to get a remote file and return it's contents, instead of saving to a local file, was missing - here it is:
function ftp_fetch($ftp_stream, $remote_file) {
ob_end_flush();
ob_start();
$out = fopen('php://output', 'w');
if (!ftp_fget($ftp_stream, $out, $remote_file, FTP_ASCII)) die('Unable to get file: ' . $remote_file);
fclose($out);
$data = ob_get_clean();
return $data;
}
It works the same as ftp_get(), but instead returns the contents of the remote file - for example:
$ftp = ftp_connect('my.server.com', 21, 60);
ftp_login($ftp, 'username', 'password');
$data = ftp_fetch($ftp, 'path/to/remote.file');
echo $data;
Note, I use it to fetch text-files from a server - if you need to fetch binary files, change FTP_ASCII to FTP_BINARY .. but most likely, getting files to memory is only useful for smaller files, e.g. plain text, xml, etc.
This took me a few hours to work out. It is based on the code below I've just added a string replace to convert pathname given by Windows to Unix pathname. Hope it saves somebody some time. Enjoy! (Also, delete file function is included:))
<?php
$myFile = $_FILES['file']; // This will make an array out of the file information that was stored.
$file = $myFile['tmp_name']; //Converts the array into a new string containing the path name on the server where your file is.
$myFileName = $_POST['MyFile']; //Retrieve file path and file name
$myfile_replace = str_replace('\\', '/', $myFileName); //convert path for use with unix
$myfile = basename($myfile_replace); //extract file name from path
$destination_file = "/".$myfile; //where you want to throw the file on the webserver (relative to your login dir)
// connection settings
$ftp_server = "127.0.0.1"; //address of ftp server (leave out ftp://)
$ftp_user_name = ""; // Username
$ftp_user_pass = ""; // Password
$conn_id = ftp_connect($ftp_server); // set up basic connection
// login with username and password, or give invalid user message
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass) or die("<h1>You do not have access to this ftp server!</h1>");
$upload = ftp_put($conn_id, $destination_file, $file, FTP_BINARY); // upload the file
if (!$upload) { // check upload status
echo "<h2>FTP upload of $myFileName has failed!</h2> <br />";
}
/*
// try to delete $file
if (ftp_delete($conn_id, $destination_file)) {
echo "$destination_file has been deleted!\n";
} else {
echo "Could not delete $destination_file!\n";
}
*/
ftp_close($conn_id); // close the FTP stream
}
?>
<form name="form" enctype="multipart/form-data" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST" >
Please choose a file: <input type="file" name="file" accept="text/plain" onChange="MyFile.value=file.value">
<input name="MyFile" type="hidden" id="MyFile" tabindex="99" size="1" />
<input type="submit" name="submit" value="upload" style="vertical-align:middle"/><br/><br/>
</form>
Here is a FTP-abstraction-class which supports the most commands.
Also it works on TLS, SSLv2 etc. by using stream_crypto_enable()
http://kacke.de/php_samples/source.php?f=ftp.cls.php
Many thanks to WEZ at this point after all the years :-)
Toppi