Ceekay0

<?php
        /** SHOW RELATED POSTS BY TAG, TAG IS INDICATED BY CUSTOM PROPERTY keyword => tag **/
            
            /** check for custom property **/
            $key = 'keyword'; 
            $keyword = get_post_meta($post->ID, $key, true);
                if ($keyword != '') {
                    /** set max number of posts **/
                    $num_posts = '4';
                    /** setup the query array **/

Ceekay0

<?php

add_action( 'after_setup_theme', 'bootstrap_setup' );

if ( ! function_exists( 'bootstrap_setup' ) ):

	function bootstrap_setup(){

		add_action( 'init', 'register_menu' );