PHP的FTP学习四

By Vikram Vaswani
Melonfire
November 07, 2000
以下是代码列表：
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Server
User
Password

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/*
--------------------------------------------------------------------------------
DISCLAIMER:
This is use-at-your-own-risk code.
It is meant only for illustrative purposes and is not meant for production environments. No warranties of any kind are provided to the user.
You have been warned!
All code copyright Melonfire, 2000. Visit us at http://www.melonfire.com  
--------------------------------------------------------------------------------
*/
// function to connect to FTP server
function connect()
{
global $server, $username, $password;
$conn = ftp_connect($server);
ftp_login($conn, $username, $password);
return $conn;
}
// main program begins
// check for valid form entries else print error
if (!$server || !$username || !$password)
{
echo "Form data incomplete!";
}
else
{
// connect
$result = connect();
// action: change directory
if ($action == "CWD")
{
// at initial stage $rdir does not exist
// so assume default directory
if (!$rdir)
{
$path = ".";
}
// get current location $cdir and add it to requested directory $rdir
else
{
$path = $cdir . "/" . $rdir;
}
// change to requested directory
ftp_chdir($result, $path);
}
// action: delete file(s)
else if ($action == "Delete")
{
ftp_chdir($result, $cdir);
// loop through selected files and delete
for ($x=0; $x{
ftp_delete($result, $cdir . "/" . $dfile[$x]);
}
}
// action: download files
else if ($action == "Download")
{
ftp_chdir($result, $cdir);
// download selected files
// IMPORTANT: you should specify a different download location here!!
for ($x=0; $x{
ftp_get($result, $dfile[$x], $dfile[$x], FTP_BINARY);
}
}
// action: upload file
else if ($action == "Upload")
{
ftp_chdir($result, $cdir);
// put file
/*
a better idea would be to use
$res_code = ftp_put($result, $HTTP_POST_FILES["upfile"]["name"],
$HTTP_POST_FILES["upfile"]["tmp_name"], FTP_BINARY);
as it offers greater security
*/
$res_code = ftp_put($result, $upfile_name, $upfile, FTP_BINARY);
// check status and display
if ($res_code == 1)
{
$status = "Upload successful!";
}
else
{
$status = "Upload error!";
}
}
// create file list
$filelist = ftp_nlist($result, ".");
// and display interface
include("include.php");
// close connection
ftp_quit($result);
}
?>



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


// get current location
$here = ftp_pwd($result);
/*
since ftp_size() is quite slow, especially when working
on an array containing all the files in a directory,
this section performs an ftp_size() on all the files in the current
directory and creates three arrays.
*/
// array for files
$files = Array();
// array for directories
$dirs = Array();
// array for file sizes
$file_sizes = Array();
// counters
$file_list_counter = 0;
$dir_list_counter = 0;
// check each element of $filelist
for ($x=0; $x{
if (ftp_size($result, $filelist[$x]) != -1)
{
// create arrays
$files[$file_list_counter] = $filelist[$x];
$file_sizes[$file_list_counter] = ftp_size($result, $filelist[$x]);
$file_list_counter++;
}
else
{
$dir_list[$dir_list_counter] = $filelist[$x];
$dir_list_counter++;
}
}
?>


You are currently working in echo $here; ?>



echo $status; ?>

---

Available directories:

>
>
>
>






for ($x=0; $x{
echo "" . $dir_list[$x] . "";
}
?>

---

Available files:

>
>
>
>


// display file listing with checkboxes and sizes
for ($y=0; $y{
echo "

". $files[$y] . " (" . $file_sizes[$y] . " bytes)

"; } ?>

   

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File upload:

>
>
>
>

以上就介绍了 PHP的FTP学习四，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。