<?php declare(strict_types=1); namespace Endroid\QrCode\Writer\Result; use Endroid\QrCode\Matrix\MatrixInterface; final class PngResult extends GdResult { private int $quality; public function __construct(MatrixInterface $matrix, \GdImage $image, int $quality = -1) { parent::__construct($matrix, $image); $this->quality = $quality; } public function getString(): string { ob_start(); imagepng($this->image, quality: $this->quality); return strval(ob_get_clean()); } public function getMimeType(): string { return 'image/png'; } }