What are some strategies for efficiently managing and removing additional search criteria in PHP to improve user experience?

When users are searching for information on a website, they may input additional search criteria that can clutter the search results and make it difficult to find relevant information. To improve user experience, it is important to efficiently manage and remove any unnecessary search criteria. One way to do this is by implementing a function in PHP that parses the search query and removes any additional criteria that are not needed. 

function cleanSearchCriteria($searchQuery) {
    $allowedCriteria = array('keyword', 'category', 'date');
    $cleanedQuery = array();

    parse_str($searchQuery, $criteria);

    foreach ($criteria as $key => $value) {
        if (in_array($key, $allowedCriteria)) {
            $cleanedQuery[$key] = $value;
        }
    }

    return http_build_query($cleanedQuery);
}

// Example of how to use the cleanSearchCriteria function
$searchQuery = "keyword=PHP&category=tutorials&sort=date&filter=recent";
$cleanedQuery = cleanSearchCriteria($searchQuery);

echo $cleanedQuery; // Output: keyword=PHP&category=tutorials

Keywords

PHP search criteria user experience optimization efficiency

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