### Install CssToInlineStyles via Composer

Source: https://github.com/tijsverkoyen/csstoinlinestyles/blob/master/README.md

This command installs the CssToInlineStyles library using Composer, the dependency manager for PHP. Ensure Composer is installed on your system.

```bash
$ composer require tijsverkoyen/css-to-inline-styles
```

--------------------------------

### Convert HTML with CSS to Inline Styles

Source: https://github.com/tijsverkoyen/csstoinlinestyles/blob/master/README.md

This PHP code demonstrates how to use the CssToInlineStyles class. It reads an HTML file and a CSS file, then converts the HTML to have inline styles based on the provided CSS. The output is the processed HTML.

```php
use TijsVerkoyen\CssToInlineStyles\CssToInlineStyles;

// create instance
$cssToInlineStyles = new CssToInlineStyles();

$html = file_get_contents(__DIR__ . '/examples/sumo/index.htm');
$css = file_get_contents(__DIR__ . '/examples/sumo/style.css');

// output
echo $cssToInlineStyles->convert(
    $html,
    $css
);
```

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