What tools or methods can be used to validate the HTML output generated by PHP code to ensure proper rendering in the browser?

To validate the HTML output generated by PHP code, you can use online HTML validators like W3C Markup Validation Service or browser developer tools such as Chrome DevTools. These tools can help identify any syntax errors or issues in the HTML code that may affect the rendering in the browser. 

<?php
// PHP code generating HTML output
$html = "<html><head><title>Example</title></head><body><h1>Hello World!</h1></body></html>";

// Output the HTML
echo $html;
?>

Keywords

HTML validation PHP code browser rendering tools methods

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