What are some best practices for handling HTML content in PHP to prevent formatting errors or unexpected output?

When handling HTML content in PHP, it is important to properly escape the content to prevent formatting errors or unexpected output. One common method is to use the htmlspecialchars function to convert special characters to HTML entities. This ensures that the HTML content is displayed correctly and prevents any potential security vulnerabilities. 

$htmlContent = "<h1>Hello, World!</h1>";
$escapedContent = htmlspecialchars($htmlContent, ENT_QUOTES, 'UTF-8');
echo $escapedContent;

Keywords

HTML content PHP htmlentities strip_tags htmlspecialchars

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