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ftp_alloc

(PHP 5, PHP 7, PHP 8)

ftp_alloc — Allocates space for a file to be uploaded

Опис

ftp_alloc(FTP\Connection $ftp, int $size, string &$response = null): bool

Sends an ALLO command to the remote FTP server to allocate space for a file to be uploaded.

Зауваження:

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.

Параметри

ftp

Примірник FTP\Connection.

size

The number of bytes to allocate.

response

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

Значення, що повертаються

Повертає true у разі успіху або false в разі помилки.

Журнал змін

Версія Опис
8.1.0 Тепер параметр ftp має бути примірником FTP\Connection. Раніше очікувався resource.

Приклади

Приклад #1 ftp_alloc() example

<?php

$file = "/home/user/myfile";

// connect to the server
$ftp = ftp_connect('ftp.example.com');
$login_result = ftp_login($ftp, 'anonymous', 'user@example.com');

if (ftp_alloc($ftp, filesize($file), $result)) {
echo "Space successfully allocated on server. Sending $file.\n";
ftp_put($ftp, '/incoming/myfile', $file, FTP_BINARY);
} else {
echo "Unable to allocate space on server. Server said: $result\n";
}

ftp_close($ftp);

?>

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