{"record":{"id":"35d926bae19c9f45","repo":"Intervention/image","slug":"failed-to-encode-webp-format","errorCode":null,"errorMessage":"Failed to encode webp format","messagePattern":"Failed to encode webp format","errorType":"exception","errorClass":"EncoderException","httpStatus":null,"severity":"error","filePath":"src/Drivers/Imagick/Encoders/WebpEncoder.php","lineNumber":50,"sourceCode":"     * @throws EncoderException\n     */\n    public function encode(ImageInterface $image): EncodedImageInterface\n    {\n        $format = 'WEBP';\n        $compression = Imagick::COMPRESSION_ZIP;\n\n        // strip meta data\n        if ($this->strip || (is_null($this->strip) && $this->driver()->config()->strip)) {\n            $image->modify(new StripMetaModifier());\n        }\n\n        try {\n            $imagick = clone $image->core()->native();\n\n            try {\n                $imagick->setImageBackgroundColor(new ImagickPixel('transparent'));\n            } catch (ImagickPixelException $e) {\n                throw new EncoderException('Failed to encode webp format', previous: $e);\n            }\n\n            if (!$image->isAnimated()) {\n                $merged = $imagick->mergeImageLayers(Imagick::LAYERMETHOD_MERGE);\n                $imagick->clear();\n                $imagick = $merged;\n            }\n\n            $imagick->setFormat($format);\n            $imagick->setImageFormat($format);\n            $imagick->setCompression($compression);\n            $imagick->setImageCompression($compression);\n            $imagick->setImageCompressionQuality($this->quality);\n\n            if ($this->quality === 100) {\n                $imagick->setOption('webp:lossless', 'true');\n            }\n","sourceCodeStart":32,"sourceCodeEnd":68,"githubUrl":"https://github.com/Intervention/image/blob/5598b9e39751c34afc5cdee84abef77f92c26f68/src/Drivers/Imagick/Encoders/WebpEncoder.php#L32-L68","documentation":"Thrown by the Imagick WebP encoder when the cloned native Imagick object cannot accept a transparent background pixel before encoding. The ImagickPixelException from setImageBackgroundColor(new ImagickPixel('transparent')) at src/Drivers/Imagick/Encoders/WebpEncoder.php:48 is wrapped into an EncoderException with the original attached as previous. This is almost always an ImageMagick/imagick-extension environment problem (broken install, policy restrictions, exhausted memory), not a problem with your image data.","triggerScenarios":"Calling $image->toWebp(), $manager->write($image, 'webp'), or encoding to a .webp file/extension with the Imagick driver in an environment where constructing or applying the 'transparent' pixel fails: imagick PECL extension compiled against a different ImageMagick than the loaded one, policy.xml restrictions, or memory exhaustion inside the extension.","commonSituations":"Container images where imagick and ImageMagick versions drift apart after an apt/pecl upgrade; shared hosting with restrictive /etc/ImageMagick-*/policy.xml; low PHP memory_limit or MAGICK resource caps when encoding large images.","solutions":["Check WEBP support: run Imagick::queryFormats('WEBP') — it must be non-empty","Rebuild the imagick extension against the installed ImageMagick (pecl install imagick) and restart PHP-FPM","Review /etc/ImageMagick-*/policy.xml for denied delegates or resource caps and re-enable webp","Raise PHP memory_limit and ImageMagick resource limits if the underlying error mentions allocation","If webp cannot be supported in this environment, encode a fallback format such as $image->toPng()"],"exampleFix":"// before\n$data = $image->toWebp();\n\n// after\nif (!in_array('WEBP', Imagick::queryFormats(), true)) {\n    throw new RuntimeException('WEBP delegate missing; cannot encode webp');\n}\n$data = $image->toWebp();","handlingStrategy":"validation","validationCode":"// Run before converting; fails fast if the environment cannot encode WEBP\nif (!in_array('WEBP', Imagick::queryFormats(), true)) {\n    throw new RuntimeException('ImageMagick lacks the WEBP delegate; cannot encode webp.');\n}\n$encoded = $image->toWebp();","typeGuard":null,"tryCatchPattern":"use Intervention\\Image\\Exceptions\\EncoderException;\n\ntry {\n    $blob = $image->toWebp()->toDataPointer();\n} catch (EncoderException $e) {\n    $reason = $e->getPrevious()?->getMessage() ?? $e->getMessage();\n    error_log('WebP encode failed: ' . $reason);\n    $blob = $image->toPng()->toDataPointer(); // fallback format\n}","preventionTips":["Add an Imagick::queryFormats('WEBP') check to your deployment health check/CI","In Docker, pin matching imagick and ImageMagick versions and install libwebp explicitly","Always log getPrevious() of EncoderException — the native message names the real cause"],"tags":["imagick","webp","encoding","environment","php"],"backgroundTag":"imagick-installation-broken","analyzedSha":"5598b9e39751c34afc5cdee84abef77f92c26f68","analyzedAt":"2026-08-23T02:17:31.068Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}