What is the best practice for formatting dropdown lists in PHP to display certain options in bold?

When creating dropdown lists in PHP, you can use HTML <option> tags to format certain options in bold. To display certain options in bold, you can add a CSS class to those options and define the styling in your CSS file. By applying the bold styling to specific options, you can make them stand out in the dropdown list. 

&lt;select&gt;
  &lt;option value=&quot;1&quot;&gt;Normal Option&lt;/option&gt;
  &lt;option value=&quot;2&quot; class=&quot;bold&quot;&gt;Bold Option&lt;/option&gt;
&lt;/select&gt;
```

CSS:
```css
.bold {
  font-weight: bold;
}

Keywords

PHP dropdown lists formatting bold options

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