inline_css

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License

Twig documentation is licensed under the new BSD license.

`inline_css`

The inline_css filter inline CSS styles in HTML documents:

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        {% apply inline_css %}
    <html>
        <head>
            <style>
                p { color: red; }
            </style>
        </head>
        <body>
            <p>Hello CSS!</p>
        </body>
    </html>
{% endapply %}
    

You can also add some stylesheets by passing them as arguments to the filter:

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        {% apply inline_css(source("some_styles.css"), source("another.css")) %}
    <html>
        <body>
            <p>Hello CSS!</p>
        </body>
    </html>
{% endapply %}
    

Styles loaded via the filter override the styles defined in the <style> tag of the HTML document.

You can also use the filter on an included file:

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        {{ include('some_template.html.twig')|inline_css }}

{{ include('some_template.html.twig')|inline_css(source("some_styles.css")) }}
    

Note that the CSS inliner works on an entire HTML document, not a fragment.

Note

The inline_css filter is part of the CssInlinerExtension which is not installed by default. Install it first:

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        $ composer require twig/cssinliner-extra
    

Then, on Symfony projects, install the twig/extra-bundle:

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        $ composer require twig/extra-bundle
    

Otherwise, add the extension explicitly on the Twig environment:

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        use Twig\Extra\CssInliner\CssInlinerExtension;

$twig = new \Twig\Environment(...);
$twig->addExtension(new CssInlinerExtension());
    