koskinenaa

<?php

// E.g. fetch_feed('https://www.example.com/some-feed');

add_action( 'wp_feed_options', 'my_feed_options', 10, 2 );
function my_feed_options( SimplePie $feed, $url ): void {
  $my_feed = 'https://www.example.com/some-feed';

  if ( ! is_string($url) || $my_feed !== $url ) {
  	return;

koskinenaa

public function filter_post_type_by_taxonomy( $post_type, $which ) {

    if ( 'my_post_type' == $post_type ) {
      $taxonomy = get_taxonomy( 'my_taxonomy' );
      if ( $taxonomy ) {
        // Retrieve taxonomy terms
        $terms = get_terms( $taxonomy->name );
        // Display filter HTML
        echo "<select name='{$taxonomy->name}' id='{$taxonomy->name}' class='postform'>";
        echo '<option value="">' . sprintf( esc_html__( 'Show All %s', 'text-domain' ), $taxonomy->labels->name ) . '</option>';

koskinenaa

/**
  * Add taxonomy filtering to custom post types
  *
  * Original example for one post type, https://generatewp.com/filtering-posts-by-taxonomies-in-the-dashboard/ 
  *
  */
function filter_cpt_by_taxonomies( $post_type, $which ) {
  // Affected post types
  $post_types = array(
    'my_post_type',

koskinenaa

<?php
// Custom WP_Query
$args = array();
$my_query = new WP_Query( $args );

if ( $my_query->have_posts() ) :
	// Number of columns
	$col_count = 3;
	// Get post count
	$post_count = $my_query->found_posts;