phalcon/cphalcon · error · Phalcon\Image\Exceptions\UnsupportedImageType

Installed GD does not support {extension} images

Error message

Installed GD does not support {extension} images

What it means

Error "Installed GD does not support {extension} images" thrown in phalcon/cphalcon.

Source

Thrown at phalcon/Image/Adapter/Gd.zep:586

                break;
            case "jpg":
            case "jpeg":
                imagejpeg(image, null, quality);
                break;
            case "png":
                imagepng(image);
                break;
            case "wbmp":
                imagewbmp(image);
                break;
            case "webp":
                imagewebp(image);
                break;
            case "xbm":
                imagexbm(image, null);
                break;
            default:
                throw new UnsupportedImageType(extension);
        }

        return ob_get_clean();
    }

    protected function processResize(int width, int height) -> void
    {
        var current, image;

        /** @var GdImage $current */
        let current = this->image;

        /**
         * @var positive-int $height
         * @var positive-int $width
         */
        let image = imagecreatetruecolor(width, height);

View on GitHub (pinned to b7419de9cd)

When it happens

Trigger: Thrown at phalcon/Image/Adapter/Gd.zep:586 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phalcon/cphalcon@b7419de9cd (2026-08-21). Data as JSON: /api/errors/21f7b06141698265. Report an issue: GitHub.