add php code within html in wordpress

Welcome to WPSE.

First you need to sort out, WHERE you want to execude your php code.

Frontend? Backend? Login Page?

After that:

In case it is backend related, add your code via a filter in your functions.php of your theme.

In case it is frontend code, add it

1) either via a filter

2) or to your theme’s template file.

From what I can see of your code, you need to know the “WP_Query” object and some awareness of where to put your code. The WP_Query Object is an internal WordPress function, which makes it easier to query the database and get the results.

To add some PHP code to your backend via a filter you can do:

<?php

     function wpse_filterFunction($args){
         //
         // Do something with the $args/whatever is being passed in here.
         // some of your code..
         return $args
     }
     add_filter('NAME_OF_THE_FILTER','wpse_filterFunction');

NAME_OF_THE_FILTER references to the place/where you might want to add your code. Please google for WordPress filters to learn more.

In case you want to output your code on the frontend, just copy a template file like “page.php” rename to “page-mycustomwhatevername.php” and add the code to that file, select it in the backend for that page. That way it will be output on the frontend.

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