<?php
// TempFileStream.php
// Created: 2021-05-02
// Updated: 2022-02-27

namespace Index\IO;

class TempFileStream extends GenericStream {
    public const MAX_MEMORY = 2 * 1024 * 1024;

    public function __construct(?string $body = null, int $maxMemory = self::MAX_MEMORY) {
        parent::__construct(fopen("php://temp/maxmemory:{$maxMemory}", 'r+b'));

        if($body !== null) {
            $this->write($body);
            $this->flush();
        }
    }

    public static function fromString(string $string): TempFileStream {
        return new TempFileStream($string);
    }
}