What potential issues can arise when sorting articles by relevance in WordPress using PHP?

When sorting articles by relevance in WordPress using PHP, potential issues can arise if the relevance algorithm is not well-defined or if the sorting logic is not properly implemented. To solve this, make sure to define a clear relevance metric based on factors such as keyword matching, post views, or user ratings, and implement the sorting algorithm accordingly. 

// Define a custom query to sort articles by relevance
$args = array(
    'post_type' => 'post',
    'posts_per_page' => -1,
    'orderby' => 'relevance', // Custom orderby parameter for relevance sorting
    'order' => 'DESC',
    'meta_query' => array(
        // Add your custom relevance metric here
    )
);

$relevance_query = new WP_Query($args);

// Loop through the query results and display the articles
if($relevance_query->have_posts()) {
    while($relevance_query->have_posts()) {
        $relevance_query->the_post();
        // Display article content here
    }
}

Keywords

WordPress PHP sorting relevance articles

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