Get a list of FTP files given a path and an extension

gistfile1.php

<?php

$list = getFtpFileList('ftp.ebi.ac.uk','/pub/databases/chembl/ChEMBL-RDF/16.0/', 'ttl.gz');
$total = count($list);
print_r($list);

/**
* Given an FTP uri get a non recursive list of all files of a given extension
* located inside a given path
*/
function getFtpFileList($ftp_uri, $path,  $extension){
	$rm = array();
	// set up basic connection
	$conn_id = ftp_connect($ftp_uri);
	$ftp_user = 'anonymous';
	if (@ftp_login($conn_id, $ftp_user, '')) {
	} else {
	    echo "Couldn't connect as $ftp_user\n";
	    exit;
	}

	// get contents of the current directory
	$contents = ftp_nlist($conn_id, $path);
	foreach($contents as $aFile){
		$reg_exp = "/.*\/(.*".$extension.")/";
		preg_match($reg_exp, $aFile, $matches);
		if(count($matches)){
			$rm[] = $matches[1];
		}
	}
	return $rm;
}
?>