What potential issues can arise when using htmlpurifier with PHP, specifically in formatting elements like links and paragraphs?

When using HTMLPurifier with PHP, potential issues can arise with formatting elements like links and paragraphs being stripped out due to the default configuration settings of HTMLPurifier. To solve this, you can customize the configuration settings to allow certain HTML elements and attributes to be preserved. 

// Include HTMLPurifier library
require_once '/path/to/htmlpurifier/library/HTMLPurifier.auto.php';

// Set up configuration settings to allow certain HTML elements and attributes
$config = HTMLPurifier_Config::createDefault();
$config->set('HTML.AllowedElements', 'a,p');
$config->set('HTML.AllowedAttributes', 'a.href');

// Create HTMLPurifier instance with custom configuration
$purifier = new HTMLPurifier($config);

// Cleanse the input HTML content
$clean_html = $purifier->purify($input_html);

Keywords

htmlpurifier PHP formatting links paragraphs

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