[PHP] Using sprintf and LIKE in SQL Queries in WordPress

00-get-user-by-last-name.php

<?php
/**
 * Queries a third-party API using sprintf and a LIKE clause to retrieve the users 
 * with a last name like the specified argument.
 * 
 * @param string $lastName An unsanitized version of the user's last name.
 */
public function getUserByLastName(string $lastName)
{
    // Sanitize the argument as you see fit here.

    $query = sprintf("
        SELECT FIRST_NAME, LAST_NAME
        FROM USERINFO
        WHERE LAST_NAME LIKE '%%%s%%'
    ", $lastName);
    
    // Make a query to the third-party API here.
}