How to debug Wordpress From https://magicpress.net/2017/03/22/how-to-debug-a-wordpress-theme/
if( current_user_can( 'administrator' ) ) {
function show_template() {
global $template;
echo '<div style="position: fixed; bottom: 10px; left: 10px; background-color: rgba(0,0,0,0.5); padding: 10px; z-index: 99999999; color: #fff;">';
print_r($template);
echo '</div>';
echo '<pre><ol>';
$files = get_included_files();
foreach ($files as $key => $path) {
if(strstr($path, ABSPATH.'wp-content/themes/')){
echo '<li>'.str_replace(ABSPATH.'wp-content/themes/','', $path).'</pre>';
}
}
echo '</ol></pre>';
echo '</div>';
}
add_action('wp_head', 'show_template');
}