A hack to automatically tick "Remember Me" checkbox at WordPress login to save support headaches

wordpress-tick-remember-me-checkbox-functions.php

<?php
/**
 * Add the following to your child theme's functions.php file to remove
 * automatically tick the "Remember Me" checkbox at WordPress login.
 */
add_action( 'init', function() { 
  add_filter( 'login_footer', function() {
    echo "<script>document.getElementById('rememberme').checked = true;</script>";
  });
});