[Pagcerto] Rota customizada Wordpress Rest API para mostrar as 3 primeiras postagens do blog (título, link e imagem destacada)

functions.php

<?php 

// API Posts

function get_post_items() {
  $args = array (
    'post_status' => 'publish',
    'posts_per_page' => 3,
  );
 
  $items = array();
 
  if ( $posts = get_posts( $args ) ) {
    foreach ( $posts as $post ) {
      $items[] = array(
        'id' => $post->ID,
        'link' => get_permalink($post->ID),
        'title' => $post->post_title,
        'image' => wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), "medium"),
        'teaser' => $post->post_excerpt
      );
    }
  }
  return $items;
}
 
function register_api_endpoints() {
  register_rest_route( 'api/v1', '/posts', array(
    'methods' => 'GET',
    'callback' => 'get_post_items',
  ) );
}
add_action( 'rest_api_init', 'register_api_endpoints' );