How to Successfully Embed Google Charts in PDF Reports Using DomPDF in Laravel 8

Описание: Discover how to effortlessly show Google Charts in your PDF reports generated with DomPDF in Laravel 8. Follow our step-by-step guide to achieve stunning results!
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This video is based on the question https://stackoverflow.com/q/77355981/ asked by the user 'Jahir Antúnez Antonio' ( https://stackoverflow.com/u/22233335/ ) and on the answer https://stackoverflow.com/a/77357014/ provided by the user 'Marmik' ( https://stackoverflow.com/u/5897047/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Successfully Embed Google Charts in PDF Reports Using DomPDF in Laravel 8

When creating PDF reports with Laravel, you might find yourself wanting to include visually appealing charts from Google Charts. However, integrating these charts can be a challenge, especially since DomPDF does not support JavaScript. In this guide, we'll walk through how to take your Google Charts and include them in your PDF reports seamlessly.

The Challenge: Integrating Google Charts with DomPDF

The main issue arises due to the fact that DomPDF does not execute JavaScript, meaning that dynamic elements such as Google Charts cannot be rendered directly. Instead, you can use a different approach by converting your charts into images that can be embedded in the PDFs. Here’s how you can do it step-by-step.

Step-by-Step Solution

Step 1: Prepare Your Chart with Google Charts

You might already have some code for generating your chart. Here’s a snippet to illustrate how it can be done in a Laravel environment:

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Step 2: Convert Your Chart to Base64

Once your chart is rendered, you can get a Base64 string of the image using chart.getImageURI(). The snippet below shows how you might handle this in your Laravel controller.

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Step 3: Embed the Chart in Your Blade View

After passing the Base64 image URL to your Blade view, you can easily embed it in your PDF. Here’s how you can structure your view:

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Step 4: Generate the PDF Document

Finally, use DomPDF to generate your PDF document with the embedded chart:

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Conclusion

By following these steps, you can successfully embed Google Charts into your PDF reports using DomPDF in Laravel 8. No JavaScript execution is needed, and the Base64 images are rendered beautifully in the final PDF. This method not only maintains the visual appeal of your reports but is also straightforward to implement.

If you have any additional questions or run into issues, feel free to delve deeper into the Laravel or Google Charts documentation for more advanced functionalities.