delboy1978uk / image

src/Image/Strategy/PngStrategy.php

<?php


declare(strict_types=1);


namespace Del\Image\Strategy;


use GdImage;


class PngStrategy extends TransparentStrategy implements ImageTypeStrategyInterface

{

    public function create(string $filename): GdImage

    {

        return \imagecreatefrompng($filename);

The expression return imagecreatefrompng($filename) could return the type resource which is incompatible with the type-hinted return GdImage. Consider adding an additional type-check to rule them out.

    }


    public function save(GdImage $resource, string $filename, int $compression = 100): void

    {

        \imagepng($resource, $filename);

    }


    public function getContentType(): string

    {

        return 'image/png';

    }


    public function render(GdImage $resource): void

    {

        \imagealphablending($resource, true);

        \imagesavealpha($resource, true);

        \imagepng($resource);

    }

}