PHP

Count Files in a Remote FTP Directory

Demonstrates the Chilkat Ftp2.GetDirCount method, which returns the number of files and directories in the current remote directory. It takes no arguments; the first call retrieves the listing, and the count reflects the case-insensitive ListPattern filter. A negative return indicates failure.

Background: GetDirCount is the entry point to Chilkat's index-based directory API: its first call fetches the listing for the current directory into a cache, and the returned count establishes the valid index range (0 through count - 1) for the accessor methods that read names, sizes, and attributes. The ListPattern property narrows the listing to matching names before counting, which is how you list, say, only *.html without filtering in your own code.

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<?php

use Chilkat2\Ftp2;

// Demonstrates the Ftp2.GetDirCount method, which returns the number of files and directories in
// the current remote directory's listing.  It takes no arguments.  The first call retrieves the
// listing; the count reflects the case-insensitive ListPattern filter.

$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;
}

// Optionally filter the listing with a wildcard pattern.  "*" (the default) matches everything.
$ftp->ListPattern = '*.html';

$n = $ftp->GetDirCount();
if ($n < 0) {
    echo $ftp->LastErrorText, "\n";
    exit;
}

echo 'Matching entries: ', $n, "\n";

// The count defines the valid index range 0 through n-1 for the indexed accessor methods.
for ($i = 0; $i < $n; $i++) {
    $name = $ftp->GetFilename($i);
    echo $name, "\n";
}

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