What tools or methods can be used to troubleshoot issues with HTML code output in PHP?

When troubleshooting HTML code output in PHP, one common issue is improper escaping of special characters, which can result in unexpected rendering of the HTML content. To solve this, you can use the htmlspecialchars() function in PHP to encode special characters like <, >, ", ', and &. 

&lt;?php
// Example HTML output with special characters
$html_content = &quot;&lt;h1&gt;Welcome to my website!&lt;/h1&gt;&quot;;

// Escaping special characters using htmlspecialchars()
echo htmlspecialchars($html_content);
?&gt;

Keywords

Xdebug PHP error reporting browser developer tools HTML validation PHP linting

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