file.php

См. документацию.

<?php
 
namespace Bitrix\Translate\IO;
 
use Bitrix\Translate;
use Bitrix\Main;
 
 
class File extends Main\IO\File implements Translate\IErrorable
{
    // trait implements interface Translate\IErrorable
    use Translate\Error;

    public static function generateTemporalFile(string $prefix, string $suffix = '.tmp', int $timeToLive = 3): self
    {
        $tempDir = \CTempFile::getDirectoryName($timeToLive, array($prefix, \uniqid($prefix, true)));
        Path::checkCreatePath($tempDir.'/');
 
        $hash = \str_pad(\dechex(\crc32($tempDir)), 8, '0', STR_PAD_LEFT);
        $fileName = \uniqid($hash. '_', false). $suffix;
 
        return new static($tempDir. $fileName);
    }

    public function openLoad(): bool
    {
        if ($this->isExists())
        {
            $this->open(Main\IO\FileStreamOpenMode::READ);
        }
 
        return $this->isExists() && $this->isReadable();
    }

    public function openWrite(): bool
    {
        $this->open(Main\IO\FileStreamOpenMode::WRITE);
 
        return $this->isWritable();
    }
 

    public function read(int $length): string
    {
        if (\feof($this->filePointer))
        {
            return '';
        }
 
        return \fread($this->filePointer, $length);
    }

    public function write(string $content): int
    {
        if (!\is_resource($this->filePointer))
        {
            throw new Main\IO\FileNotOpenedException($this->getPath());
        }
 
        $length = \fwrite($this->filePointer, $content);
        if ($length === false)
        {
            throw new Main\IO\IoException("Cannot write file");
        }
 
        return $length;
    }

    public function close(): void
    {
        if (!\is_resource($this->filePointer))
        {
            @\fflush($this->filePointer);
        }
 
        parent::close();
 
        @clearstatcache(true, $this->getPhysicalPath());
    }
}