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# ftp_alloc

(PHP 5)

ftp_alloc -- Allocates space for a file to be uploaded.

## Description

bool ftp_alloc ( resource ftp_stream, int filesize [, string &result])

Sends an ALLO command to the remote FTP server to allocate filesize bytes of space. Returns `TRUE` on success, or `FALSE` on failure.

> 注意: Many FTP servers do not support this command. These servers may return a failure code (`FALSE`) indicating the command is not supported or a success code (`TRUE`) to indicate that pre-allocation is not necessary and the client should continue as though the operation were successful. Because of this, it may be best to reserve this function for servers which explicitly require preallocation.

A textual representation of the servers response will be returned by reference in result is a variable is provided.

例 1. ftp_alloc() example

`<?php
$file = "/home/user/myfile";
/* connect to the server */
$conn_id = ftp_connect('ftp.example.com');
$login_result = ftp_login($conn_id, 'anonymous', 'user@example.com');
if (ftp_alloc($conn_id, filesize($file), $result)) {
echo "Space successfully allocated on server. Sending $file.\n";
ftp_put($conn_id, '/incomming/myfile', $file, FTP_BINARY);
} else {
echo "Unable to allocate space on server. Server said: $result\n";
}
ftp_close($conn_id);
?>`

See also: ftp_put(), and ftp_fput().

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FTP 関数 | 上に戻る | ftp_cdup