如果成功则返回给定目录下的文件名组成的数组，否则返回 FALSE。
<?php
// set up basic connection
$conn_id = ftp_connect($ftp_server);
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
// check connection
if ((!$conn_id) || (!$login_result)) {
die("FTP connection has failed !");
}
// get contents of the root directory
$contents = ftp_nlist($conn_id, "/");
// print each entry
foreach ($contents as $entry) {
echo $entry, "<br />\n";
}
?>参见 ftp_rawlist()。