php 读取文件夹文件函数

function GetFoldersAndFiles( $resourceType, $currentFolder )
{
// Map the virtual path to the local server path.
$sServerDir = ServerMapFolder( $resourceType, $currentFolder, 'GetFoldersAndFiles' ) ;

// Arrays that will hold the folders and files names.
$aFolders = array() ;
$aFiles = array() ;

$oCurrentFolder = opendir( $sServerDir ) ;

while ( $sFile = readdir( $oCurrentFolder ) )
{
if ( $sFile != '.' && $sFile != '..' )
{
if ( is_dir( $sServerDir . $sFile ) )
$aFolders[] = '' ;
else
{
$iFileSize = @filesize( $sServerDir . $sFile ) ;
if ( !$iFileSize ) {
$iFileSize = 0 ;
}
if ( $iFileSize > 0 )
{
$iFileSize = round( $iFileSize / 1024 ) ;
if ( $iFileSize < 1 ) $iFileSize = 1 ;
}

$aFiles[] = '' ;
}
}
}

// Send the folders
natcasesort( $aFolders ) ;
echo '' ;

foreach ( $aFolders as $sFolder )
echo $sFolder ;

echo '' ;

// Send the files
natcasesort( $aFiles ) ;
echo '' ;

foreach ( $aFiles as $sFiles )
echo $sFiles ;

echo '' ;
}