Thanks to h3 at valleyfield dot net
Same function with some minor changes and comments added
FTP function checks if a directory exists
<?php
function ftp_is_dir( $dir ) {
global $ftpcon;
// get current directory
$original_directory = ftp_pwd( $ftpcon );
// test if you can change directory to $dir
// suppress errors in case $dir is not a file or not a directory
if ( @ftp_chdir( $ftpcon, $dir ) ) {
// If it is a directory, then change the directory back to the original directory
ftp_chdir( $ftpcon, $original_directory );
return true;
}
else {
return false;
}
}
?>