PHP code for traversing a folder and all files under it

PHP implements the code to traverse the current folder and all files and folders under it. It mainly uses recursion. Friends in need can refer to it.

The code is as follows:

<?php
 /**
  * 遍历文件夹下所有文件
  * site bbs.it-home.org
 */
 $path = './filepath';  
 function getfiles($path)  
 {  
     if(!is_dir($path)) return;  
    $handle  = opendir($path);  
    while( false !== ($file = readdir($handle)))  
    {  
        if($file != '.'  &&  $file!='..')  
        {  
            $path2= $path.'/'.$file;  
            if(is_dir($path2))  
            {  
                echo '  ';  
                echo $file;  
               getfiles($path2);  
            }else 
            {  
               echo ' ';  
                echo $file;  
            }  
        }  
    }  
}  
 
print_r( getfiles($path));  

echo ' <HR>';  
 
function getdir($path)  
{  
    if(!is_dir($path)) return;  
    $handle = dir($path);  
    while($file=$handle->read())  
    {  
        if($file!='.' && $file!='..')  
        {  
            $path2 = $path.'/'.$file;  
            if(is_dir($path2))  
            {  
                    echo $file."\t";  
                     getdir($path2);  
            }else 
            {  
                echo $file.'';  
            }  
        }  
    }  
}  
 getdir($path);  
 
 echo '  <HR>';  
 
 function get_dir_scandir($path){  
 
    $tree = array();  
    foreach(scandir($path) as $single){  
        if($single!='.' && $single!='..')  
        {  
            $path2 = $path.'/'.$single;  
            if(is_dir($path2))  
            {  
                echo  $single."  \r\n";  
                 get_dir_scandir($path2);  
            }else 
            {  
                echo $single."  \r\n";  
            }  
        }  
    }  
}  
get_dir_scandir($path);  
 
  echo '  <HR>';  
 
function get_dir_glob(){  
    $tree = array();  
    foreach(glob('./curl/*') as $single){  
        echo $single."  \r\n";  
    }  
}  
get_dir_glob();  
 
   echo '  <HR>';  
function myscandir($path)  
{  
    if(!is_dir($path))  return;  
    foreach(scandir($path) as $file)  
    {  
        if($file!='.'  && $file!='..')  
        {  
            $path2= $path.'/'.$file;  
            if(is_dir($path2))  
            {  
                echo $file;  
                myscandir($path2);  
            }else 
            {  
                echo $file.'  ';  
            }  
        }  
    }  
}  
 
myscandir($path);  
 
   echo '  <HR>';  
 
function myglob($path)  
{  
    $path_pattern = $path.'/*';  
    foreach(glob($path_pattern) as $file)  
    {  
            if(is_dir($file))  
            {  
                echo $file;  
                myscandir($file);  
            }else 
            {  
                echo $file.'  
';  
            }  
    }  
}  
 
myglob($path);
?>