What are the potential pitfalls to avoid when implementing code snippet sections for different programming languages on a website?

One potential pitfall to avoid when implementing code snippet sections for different programming languages on a website is failing to properly escape special characters in the code snippets. This can lead to code injection vulnerabilities or syntax errors when displaying the code on the website. To prevent this, always use a function like htmlentities() to escape special characters before displaying the code snippets. 

// Escape special characters in the code snippet before displaying it on the website
$codeSnippet = htmlentities($codeSnippet);
echo "<pre><code>$codeSnippet</code></pre>";

Keywords

cross-site scripting code injection security vulnerabilities syntax highlighting code execution input validation

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