Wordpress looping through posts in custom php page

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PHP

WordPress

I am trying to loop through posts in a custom php page but no matter what I do, no posts are found here is the code I wrote in my-custom-page.php

What I have tried:

<?php 
require_once("/wp-load.php");
get_header();
if(have_posts()) : 
 while(have_posts()) : the_post(); 
        $count_posts = wp_count_posts();
       echo $count_posts;
 endwhile;
endif; 
get_footer();?>