How can PHP developers ensure that the HTML generated by their code is valid and error-free?

PHP developers can ensure that the HTML generated by their code is valid and error-free by using PHP libraries such as DOMDocument or SimpleXMLElement to create and manipulate HTML elements programmatically. These libraries provide methods for generating well-formed HTML code, handling special characters, and ensuring proper nesting of tags. Additionally, developers can use online HTML validation tools or browser extensions to check the generated HTML for errors. 

// Example using DOMDocument to generate valid HTML
$doc = new DOMDocument();
$doc->appendChild($doc->createElement('html'));
$doc->saveHTML();

Keywords

HTML validation error handling PHP functions DOMDocument HTMLPurifier

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