What potential issues can arise when including content from a text file using PHP, especially in terms of formatting and HTML tags?

When including content from a text file using PHP, potential issues can arise with formatting and HTML tags. To ensure that the content is displayed correctly within an HTML page, you can use the `htmlspecialchars()` function to escape special characters and prevent HTML injection attacks. 

<?php
$file_content = file_get_contents('example.txt');
echo htmlspecialchars($file_content);
?>

Keywords

file handling PHP include formatting errors HTML tags injection vulnerabilities

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