<?php

function ftp_mget($ftp_url, $ftp_user, $ftp_pass, $ftp_dir, $local_dir, $debug=null) {
	$conn_id = @ftp_connect($ftp_url);
	if (!$conn_id)	{
		if ($debug<>null) echo date ('Y/m/d - H:i:s')." - ERREUR : Impossible de se connecter au serveur FTP ($ftp_url) !".EOL;
		return false;
	}
	
	$login_result = @ftp_login($conn_id, $ftp_user, $ftp_pass);
	if (!$login_result) {
		if ($debug<>null) echo date ('Y/m/d - H:i:s')." - ERREUR : Impossible de s'authentifier sur le serveur FTP (user=$ftp_user)!".EOL;
		return false;
	}
	// Récupération du contenu d'un dossier
	$contents = ftp_nlist($conn_id, $ftp_dir);
//	print_r($contents);
//	print_r(ftp_rawlist($conn_id, $ftp_dir));
	$nbFic=0;	// Nombre de fichiers récupérés
	if (is_array($contents)) 
	foreach($contents as $k => $server_file) {
		$tailleDist = ftp_size($conn_id, $server_file);
		$dateDist = ftp_mdtm($conn_id, $server_file);
		$tailleLoc=0;
		if ($dateDist != -1) {
			$tabFichiers[$server_file]['dateDispo']=date('Y-m-d H:i:s', $dateDist);
			//		echo date ('Y/m/d - H:i:s') ." - Le fichier distant $server_file a été modifié le ".date("d/m/Y à H:i:s.",$dateDist)."\n";
		} else {
			$tabFichiers[$server_file]['dateDispo']=NULL;
			//		echo date ('Y/m/d - H:i:s')." - ERREUR : Impossible de récupérer l'heure de modification du fichier distant $server_file !\n";
		}
		$tabFichiers[$server_file]['taille']=$tailleDist;
		if ($tailleDist != -1) {
			//echo date ('Y/m/d - H:i:s') ." - Taille du fichier distant $server_file est de $tailleDist octets\n";
		}
		if (file_exists($local_dir . $server_file)) {
			$dateLoc=filemtime($local_dir . $server_file);
			$tabFichiers[$server_file]['dateDownload']=date('Y-m-d H:i:s', $dateLoc);
			$tailleLoc=filesize($local_dir . $server_file);
			//echo date ('Y/m/d - H:i:s') ." - Taille du fichier local $server_file = $tailleLoc octets\n";
		}
		if ($tailleDist<>$tailleLoc) {
			if (ftp_get($conn_id, $local_dir. $server_file, $server_file, FTP_BINARY))
				//echo date ('Y/m/d - H:i:s')." - Fichier distant $server_file téléchargé avec succès".EOL;
				$nbFic++;
			else {
				if ($debug<>null) echo date ('Y/m/d - H:i:s')." - ERREUR : Fichier distant $server_file non téléchargé !".EOL;
				return false;
			}
		}
	}
	
	// Fermeture de la connexion
	ftp_close($conn_id);
	return $nbFic;
}

/**
 * ftpRecursiveFileListing
 *
 * Get a recursive listing of all files in all subfolders given an ftp handle and path
 *
 * @param resource $ftpConnection  the ftp connection handle
 * @param string $path  the folder/directory path
 * @return array $allFiles the list of files in the format: directory => $filename
 */
/*function ftp_rlist($conn_id, $path) {
    static $allFiles = array();
    $contents = ftp_nlist($conn_id, $path);

    foreach($contents as $currentFile) {
        // assuming its a folder if there's no dot in the name
        echo $currentFile.EOL;
        //if (strpos($currentFile, '.') === false) {
        if(ftp_is_dir($conn_id, $currentFile)) {
            ftp_rlist($conn_id, $path.'/'.$currentFile);
        }
        $allFiles[$path][] = substr($currentFile, strlen($path) + 1);
    }
    return $allFiles;
} 
*/
//identify directories

function ftp_is_dir($conn_id, $dir) {
  if (@ftp_chdir($conn_id, $dir)) {
    ftp_chdir($conn_id, '../');
    return true;
  } else {
    return false;
  }
}
/*
function list_all_files($conn_id, $path){
    $buff = ftp_rawlist($conn_id, $path);
    $res = parse_rawlist( $buff) ;
    static $flist = array();
    if(count($res)>0){
        foreach($res as $result){
            // verify if is dir , if not add to the  list of files
            if($result['size']== 0){
                // recursively call the function if this file is a folder
                list_all_files($conn_id, $path.'/'.$result['name']);
            }
            else{
            // this is a file, add to final list
                $flist[] = $result;
            }    
        }
    }
    return $flist;
}*/

function ftp_rlist($conn_id, $path, $suffixes=array('gif','png','jpeg','pdf','php','txt','csv'), $files=array()) {
	ftp_pasv($conn_id, true);
	// = explode(",", $suffix);
	$list     = ftp_rawlist($conn_id, $path);
	$anzlist  = count($list);
	$i = 0;
	while ($i < $anzlist):
	  $split    = preg_split("/[\s]+/", $list[$i], 9, PREG_SPLIT_NO_EMPTY);
	  $ItemName = $split[8];
	  $endung   = strtolower(substr(strrchr($ItemName,"."),1));
	  $path     = "$path/$ItemName";
	  if (substr($list[$i],0,1) === "d" AND substr($ItemName,0,1) != "."):
	// array_push($files, $path); # write directory in array if desired
	     ftp_rlist($conn_id,$path, $suffixes, $files);
	  elseif (substr($ItemName,0,2) != "._" AND in_array($endung,$suffixes)):
	     array_push($files, $path);
	  endif;
	  $i++;
	endwhile;
	return $files;
	}
 ?>