How can PHP be used to fetch information from a database and modify the head() information for link redirection in WordPress?

To fetch information from a database in WordPress and modify the head() information for link redirection, you can use PHP code to query the database, retrieve the necessary data, and then update the head information using WordPress functions like wp_redirect(). 

<?php
// Get the information from the database
global $wpdb;
$result = $wpdb->get_results("SELECT * FROM your_table WHERE condition = 'value'");

// Check if there is a result
if($result) {
    // Modify the head information for link redirection
    foreach($result as $row) {
        wp_redirect($row->redirect_url);
        exit;
    }
}
?>

Keywords

PHP database fetch head() link redirection

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