PHP

Get a Remote FTP File's Size by Name

Demonstrates the Chilkat Ftp2.GetSizeByName method, which returns the size in bytes of a named file in the current remote directory as a 32-bit integer. The only argument is the filename — a name, not a path. It returns -1 when the file is not found or the size cannot be obtained.

Background: This is the direct way to get one file's size when you already know its name, typically via a SIZE command — no full directory listing required. Because the result is 32-bit, it cannot represent files past about 2 GB; use GetSizeStrByName for large files. The argument must be a bare filename in the current directory, so ChangeRemoteDir to the right place first.

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<?php

use Chilkat2\Ftp2;

// Demonstrates the Ftp2.GetSizeByName method, which returns the size in bytes of a named file in
// the current remote directory as a 32-bit integer.  The only argument is the filename (a name,
// not a path).

$ftp = new Ftp2();

$ftp->Hostname = 'ftp.example.com';
$ftp->Username = 'myFtpLogin';

// Normally you would not hard-code the password in source.  You should instead obtain it
// from an interactive prompt, environment variable, or a secrets vault.
$ftp->Password = 'myPassword';

try {
    $ftp->Connect();

    $ftp->ChangeRemoteDir('public_html');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Returns -1 when the file is not found or the size cannot be obtained.  For files that may
// exceed 2 GB, use GetSizeStrByName (returns a decimal string).
$fileSize = $ftp->GetSizeByName('report.pdf');
if ($fileSize < 0) {
    echo "File not found, or size unavailable.\n";
    exit;
}

echo 'report.pdf is ', $fileSize, " bytes\n";

try {
    $ftp->Disconnect();
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}