getgrav/grav · error · RuntimeException

You need to EXIF PHP Extension to use this function

Error message

You need to EXIF PHP Extension to use this function

What it means

Error "You need to EXIF PHP Extension to use this function" thrown in getgrav/grav.

Source

Thrown at system/src/Grav/Common/Page/Medium/ImageFile.php:200

        $data = [
            $inputInfos,
            $this->serializeOperations(),
            $type,
            $quality,
            $extras
        ];

        $this->hash = sha1(serialize($data));
    }

    /**
     * Read exif rotation from file and apply it.
     */
    public function fixOrientation()
    {
        if (!extension_loaded('exif')) {
            throw new RuntimeException('You need to EXIF PHP Extension to use this function');
        }

        if (!file_exists($this->source->getInfos()) || !in_array(exif_imagetype($this->source->getInfos()), [IMAGETYPE_JPEG, IMAGETYPE_TIFF_II, IMAGETYPE_TIFF_MM], true)) {
            return $this;
        }

        // resolve any streams
        /** @var UniformResourceLocator $locator */
        $locator = Grav::instance()['locator'];
        $filepath = $this->source->getInfos();
        if ($locator->isStream($filepath)) {
            $filepath = $locator->findResource($this->source->getInfos(), true, true);
        }

        // Make sure file exists
        if (!file_exists($filepath)) {
            return $this;
        }

View on GitHub (pinned to 6040efed04)

When it happens

Trigger: Thrown at system/src/Grav/Common/Page/Medium/ImageFile.php:200 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of getgrav/grav@6040efed04 (2026-08-17). Data as JSON: /api/errors/9e4d79f3b39ed8bb. Report an issue: GitHub.