Funzioni FTP PHP
Introduzione all'FTP PHP
Le funzioni FTP consentono ai client di accedere ai file server tramite il File Transfer Protocol (FTP).
Le funzioni FTP vengono utilizzate per aprire, accedere e chiudere le connessioni, nonché per caricare, scaricare, rinominare, eliminare e ottenere informazioni sui file dai file server. Non tutte le funzioni FTP funzioneranno con tutti i server o restituiranno gli stessi risultati. Le funzioni FTP sono diventate disponibili con PHP 3.
Se desideri solo leggere o scrivere su un file su un server FTP, considera l'utilizzo del wrapper ftp:// con le funzioni Filesystem che forniscono un'interfaccia più semplice e intuitiva.
Installazione
Affinché queste funzioni funzionino, devi compilare PHP con --enable-ftp.
La versione Windows di PHP ha il supporto integrato per questa estensione.
Funzioni FTP PHP
| Function | Description |
|---|---|
| ftp_alloc() | Allocates space for a file to be uploaded to the FTP server |
| ftp_cdup() | Changes to the parent directory on the FTP server |
| ftp_chdir() | Changes the current directory on the FTP server |
| ftp_chmod() | Sets 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() | Executes a command on the FTP server |
| ftp_fget() | Downloads a file from the FTP server and saves it into an open local file |
| ftp_fput() | Uploads from an open file and saves it to a file on the FTP server |
| ftp_get() | Downloads a file from the FTP server |
| ftp_get_option() | Returns runtime options of the FTP connection |
| ftp_login() | Logs in to the FTP connection |
| ftp_mdtm() | Returns the last modified time of a specified file |
| ftp_mkdir() | Creates a new directory on the FTP server |
| ftp_mlsd() | Returns the list of files in the specified directory |
| ftp_nb_continue() | Continues retrieving/sending a file (non-blocking) |
| ftp_nb_fget() | Downloads a file from the FTP server and saves it into an open file (non-blocking) |
| ftp_nb_fput() | Uploads from an open file and saves it to a file on the FTP server (non-blocking) |
| ftp_nb_get() | Downloads a file from the FTP server (non-blocking) |
| ftp_nb_put() | Uploads a file to the FTP server (non-blocking) |
| ftp_nlist() | Returns a list of files in the specified directory on the FTP server |
| 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 a raw command to the FTP server |
| ftp_rawlist() | Returns a list of files with file information from a specified directory |
| ftp_rename() | Renames a file or directory on the FTP server |
| ftp_rmdir() | Deletes an empty directory on the FTP server |
| ftp_set_option() | Sets runtime options for the FTP connection |
| ftp_site() | Sends an FTP SITE command to the FTP server |
| ftp_size() | Returns the size of the specified file |
| ftp_ssl_connect() | Opens a secure SSL-FTP connection |
| ftp_systype() | Returns the system type identifier of the FTP server |
Costanti FTP predefinite PHP
| Constant | Type | Description |
|---|---|---|
| FTP_ASCII | Integer | |
| FTP_AUTOSEEK | Integer | |
| FTP_AUTORESUME | Integer | |
| FTP_BINARY | Integer | |
| FTP_FAILED | Integer | Asynchronous transfer has failed |
| FTP_FINISHED | Integer | Asynchronous transfer is completed |
| FTP_IMAGE | Integer | Alias of FTP_BINARY |
| FTP_MOREDATA | Integer | Asynchronous transfer is in progress |
| FTP_TEXT | Integer | Alias of FTP_ASCII |
| FTP_TIMEOUT_SEC | Integer | The timeout used for network operations |
| FTP_USEPASVADDRESS | Boolean |