(PHP 5, PHP 7, PHP 8)
ftp_chmod — Set permissions on a file via FTP
 
   Sets the permissions on the specified remote file to 
   permissions.
  
ftpAn FTP\Connection instance.
permissionsThe new permissions, given as an octal value.
filenameThe remote file.
   Returns the new file permissions on success or false on error.
  
| Version | Description | 
|---|---|
| 8.1.0 | The ftpparameter expects an FTP\Connection
  instance now; previously, a resource was expected. | 
Example #1 ftp_chmod() example
<?php
$file = 'public_html/index.php';
// set up basic connection
$ftp = ftp_connect($ftp_server);
// login with username and password
$login_result = ftp_login($ftp, $ftp_user_name, $ftp_user_pass);
// try to chmod $file to 644
if (ftp_chmod($ftp, 0644, $file) !== false) {
 echo "$file chmoded successfully to 644\n";
} else {
 echo "could not chmod $file\n";
}
// close the connection
ftp_close($ftp);
?>