(PHP 4, PHP 5, PHP 7, PHP 8)
ftp_fget — Lädt eine Datei vom FTP-Server und speichert sie in eine geöffnete Datei
$ftp,$stream,$remote_filename,$mode = FTP_BINARY,$offset = 0
ftp_fget() lädt die Datei
remote_filename vom FTP-Server und schreibt sie in
die per Dateizeiger angegebene Datei.
ftpEine FTP\Connection-Instanz.
streamDer geöffnete Dateizeiger, in den die Daten geschrieben werden sollen.
remote_filenameDer Pfad zur Datei auf dem Server.
mode
Der Transfer-Modus. Muss entweder FTP_ASCII
oder FTP_BINARY sein.
offsetDie Position in der entfernten Datei, ab der der Download beginnen soll.
| Version | Beschreibung |
|---|---|
| 8.1.0 |
Der Parameter ftp erwartet nun eine
FTP\Connection-Instanz; vorher wurde eine Ressource
erwartet.
|
| 7.3.0 |
Der Parameter mode ist nun optional. Zuvor war
er verpflichtend.
|
Beispiel #1 ftp_fget()-Beispiel
<?php
// Pfad zur entfernten Datei
$remote_file = 'somefile.txt';
$local_file = 'localfile.txt';
// Öffne eine Datei zum Schreiben
$handle = fopen($local_file, 'w');
// Verbindung aufbauen
$ftp = ftp_connect($ftp_server);
// Login mit Benutzername und Passwort
$login_result = ftp_login($ftp, $ftp_user_name, $ftp_user_pass);
// Versuche, $remote_file zu laden und in $handle zu speichern
if (ftp_fget($ftp, $handle, $remote_file, FTP_ASCII, 0)) {
echo "Erfolgreich in $local_file geschrieben\n";
} else {
echo "Download von $remote_file zu $local_file war nicht möglich\n";
}
// Verbindung und Verbindungshandler schließen
ftp_close($ftp);
fclose($handle);
?>
Another ftp_get_contents approach, using a temperary stream handler. Returns file contents as string.
<?php
function ftp_get_contents ($conn_id, $filename,
//Create temp handler:
$tempHandle = fopen('php://temp', 'r+');
//Get file from FTP assuming that it exists:
ftp_fget($conn_id, $tempHandle, $filename, FTP_ASCII, 0));
//Getting detailed stats to check filesize:
$fstats = fstat($tempHandle);
return fread($tempHandle, $fstats['size']);
}
?><?php
/**
* Function returns contents via FTP connection and returns it as string (right version...)
*/
function ftp_get_contents ($conn_id, $filename) {
//Create temp handler:
$tempHandle = fopen('php://temp', 'r+');
//Get file from FTP:
if (@ftp_fget($conn_id, $tempHandle, $filename, FTP_ASCII, 0)) {
rewind($tempHandle);
return stream_get_contents($tempHandle);
} else {
return false;
}
}
?>You might need to use ftp_pasv() if you're behind a firewall and receiving odd timeouts, file creation but now local data saving, etc.if you are using windows ftp-server with cp1251 encoding there are some troubles with russian "я" in filename\path.
php use telnet to connect ftp-server and there are special symbol with code 255 in telnet protocol. You can try use ftp_raw($connection, 'OPTS UTF8 ON'); and work in utf-8 (if server provides it).
P.S. sorry for my bad englishI was in need to synchronize two folders on two separate servers, one is a Windows server, and the other is a Linux server. I created this short and sweet function to help me do this. PLEASE NOTICE: This will not copy folders, and probably will fail if remote folder contains anything else than files.
function sync_folders($host, $port, $username, $password, $remote_dir, $local_dir, $passive_mode = true) {
$conn_id = ftp_connect($host, $port);
if (!$conn_id) return false; # fail to connect
if (!ftp_login($conn_id, $username, $password)) { ftp_close($conn_id); return false; } # fail to login
ftp_pasv($conn_id, $passive_mode);
if (!ftp_chdir($conn_id, $remote_dir)) { ftp_close($conn_id); return false; } # fail to change dir
if (substr($local_dir, -1) != '/') $local_dir .= '/';
$list = ftp_nlist($conn_id, '.');
sort($list);
foreach ($list as $file) {
if (!file_exists($local_dir . $file)) {
$is_copied = ftp_get($conn_id, $local_dir . $file, $file, FTP_BINARY);
}
}
ftp_close($conn_id);
return true;
}If you suply only a filename to the second parameter of function the ftp_get will open a pointer to the local file creating it and write to it.It's ok if your server dont execute for to mutch time and you dont get too many files but if you do it too many times the pointers created by ftp_get will not be closed and will end your opened files capacity at your server making it to do not open any more files until you restart it.