virtual_file.php

См. документацию.

<?
abstract class CBXVirtualFileBase
    implements IBXGetErrors
{
    protected $path = null;
 
    public function __construct($path)
    {
        $io = CBXVirtualIo::GetInstance();
        $this->path = $io->CombinePath($path);
    }
 
    public function GetName()
    {
        $io = CBXVirtualIo::GetInstance();
        return $io->ExtractNameFromPath($this->path);
    }
 
    public function GetPath()
    {
        $io = CBXVirtualIo::GetInstance();
        return $io->ExtractPathFromPath($this->path);
    }
 
    public function GetPathWithName()
    {
        return $this->path;
    }
 
    public abstract function IsDirectory();
    public abstract function IsExists();
    public abstract function MarkWritable();
    public abstract function GetPermissions();
    public abstract function GetModificationTime();
    public abstract function GetLastAccessTime();
}

abstract class CBXVirtualFile
    extends CBXVirtualFileBase
{
    public function IsDirectory()
    {
        return false;
    }
 
    public function GetType()
    {
        return GetFileType($this->path);
    }
 
    public function GetExtension()
    {
        return GetFileExtension($this->path);
    }
 
    public abstract function Open($mode);
    public abstract function GetContents();
    public abstract function PutContents($data);
    public abstract function GetFileSize();
    public abstract function IsWritable();
    public abstract function IsReadable();
    public abstract function ReadFile();
}

abstract class CBXVirtualDirectory
    extends CBXVirtualFileBase
{
    public function IsDirectory()
    {
        return true;
    }

    public abstract function GetChildren();
    public abstract function Create();
}