fileentry.php

См. документацию.

<?php
 
namespace Bitrix\Main\IO;
 
abstract class FileEntry extends FileSystemEntry
{
    public function __construct($path, $siteId = null)
    {
        parent::__construct($path, $siteId);
    }
 
    public function getExtension()
    {
        return Path::getExtension($this->path);
    }
 
    abstract public function getContents();
 
    abstract public function putContents($data);
 
    abstract public function getSize();
 
    abstract public function isWritable();
 
    abstract public function isReadable();
 
    abstract public function readFile();

    public function getFileSize()
    {
        return $this->getSize();
    }
 
    public function isDirectory()
    {
        return false;
    }
 
    public function isFile()
    {
        return true;
    }
 
    public function isLink()
    {
        return false;
    }
}