php ftp创建多级目录

<?php
$ftp_server = "ftp.example.com";
$ftp_user = "username";
$ftp_pass = "password";

$conn_id = ftp_connect($ftp_server) or die("Could not connect to $ftp_server");

if (@ftp_login($conn_id, $ftp_user, $ftp_pass)) {
    echo "Connected as $ftp_user@$ftp_server\n";
} else {
    echo "Couldn't connect as $ftp_user\n";
}

function createRecursiveDirectory($ftp_conn, $dir) {
    $dirs = explode('/', $dir);
    foreach ($dirs as $dir) {
        if (!@ftp_chdir($ftp_conn, $dir)) {
            if (@ftp_mkdir($ftp_conn, $dir)) {
                @ftp_chdir($ftp_conn, $dir);
            } else {
                echo "Failed to create directory: $dir\n";
                return false;
            }
        }
    }
    return true;
}

$directoryPath = "/remote/path/to/directory/subdirectory";
if (createRecursiveDirectory($conn_id, $directoryPath)) {
    echo "Directory created successfully: $directoryPath\n";
} else {
    echo "Failed to create directory: $directoryPath\n";
}

ftp_close($conn_id);
?>