<?php 
function is_dir_ex($dirname) 
{ 
    $handle=opendir($dirname); 
    if(readdir($handle)=='.') 
        $result=true; 
    else 
        $result=false; 
    closedir($handle); 
    return $result; 
} 
function list_dir($dirname) 
{ 
    if($dirname[strlen($dirname)-1]!='\') 
        $dirname.='\'; 
    static $result_array=array(); 
    $handle=opendir($dirname); 
    while ($file = readdir($handle)) 
    { 
        if($file=='.'||$file=='..') 
            continue; 
        if(is_dir_ex($dirname.$file)) 
            list_dir($dirname.$file.'\'); 
        else 
            //array_push($result_array,$dirname.$file); 
            $result_array[]=$dirname.$file; 
    }     
    closedir($handle); 
    return $result_array; 
     
} 

$array=list_dir('c:\php4'); 
foreach($array as $value) 
{ 
    echo $value; 
    echo "<br>"; 
} 
?>