Find the below best way to Fetch wordpress post and by category id and name

Fetch post by cat id

$posts = new WP_Query(array(
     'post_type' => 'post',
     'cat' => 11,
     'posts_per_page' => 10, // Adjust the number of posts to display
 ));
 
 while ($posts->have_posts()) {
     $news_posts->the_post();
     
     }

For custom post

'post_type' => 'latest-blog',
       'tax_query' => array(
           array(
               'taxonomy' => 'blog_showcase_cat',
               'field'    => 'slug',
               'terms'    => 'our-blog',
           ),
       ),

list of posts based on various parameters.

$args = array(
        'post_type' => 'post', // Change 'post' to the desired post type
        'posts_per_page' => -1, // Number of posts to retrieve (-1 for all)
        );

        $posts = get_posts($args);

        foreach ($posts as $post) {
        setup_postdata($post);
        // Display post data here
        the_title();
        the_content();
        // You can fetch and display other post data as needed
        }
        wp_reset_postdata();

by category name

<?php
foreach((get_the_category()) as $category) {
  $postcategory= $category->cat_ID;
  $categoryname =$category->cat_name;
  echo $postcategory;
  echo $categoryname;
}
?>

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