115. How to create custom post type in wordpress?

 // Our custom post type function

function create_posttype() {

 

    register_post_type( 'movies',

    // CPT Options

        array(

            'labels' => array(

                'name' => __( 'Movies' ),

                'singular_name' => __( 'Movie' )

            ),

            'public' => true,

            'has_archive' => true,

            'rewrite' => array('slug' => 'movies'),

            'show_in_rest' => true,

 

        )

    );

}

// Hooking up our function to theme setup

add_action( 'init', 'create_posttype' );

114.How to Display wordpress category name with the related posts?

<?php
$categories = get_terms( array( 'taxonomy' => 'category' ) );
foreach( $categories as $cat ) :
    $posts = new WP_Query( array(
        'post_type'     => 'dt_portfolio',
        'showposts'     => -1,
        'tax_query'     => array(
                               array(
                                   'taxonomy' => 'category',
                                   'terms'    => array( $cat->term_id ),
                                   'field'   => 'term_id'
                               )

                          )
    ) ); ?>

    <h3><?php echo $cat->name; ?></h3>

    <ul>
        <?php while( $posts->have_posts() ) : $posts->the_post(); ?>
            <li><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></li>
        <?php endwhile; wp_reset_postdata(); ?>
    </ul>
 

<?php endforeach; ?>  

113.how to create custom post type and meta field in wordpress?

  function create_posttype() {

    register_post_type( 'about',

    // CPT Options

    array(

      'labels' => array(

       'name' => __( 'About' ),

       'singular_name' => __( 'About' )

       

      ),

     // 'supports' => array('title', 'editor', 'thumbnail'),

      'public' => true,

      'has_archive' => false,

      'rewrite' => array('slug' => 'about'),

     )

    );

   

    }

    // Hooking up our function to theme setup

    add_action( 'init', 'create_posttype' );

    add_theme_support('post-thumbnails');

    add_post_type_support( 'about', 'thumbnail' );

    function add_description_meta_boxes() {

      add_meta_box("about_description_meta", "Description", "add_description_meta_box", "about", "normal", "low");

    }

    

    function add_description_meta_box()

    {

      global $post;

      $custom = get_post_custom( $post->ID );

     

      ?>

      <style>.width99 {width:99%;}</style>

      <p>

        <label>Description:</label><br />

        <textarea rows="5" name="description" class="width99"><?= @$custom["description"][0] ?></textarea>

      </p>

    

      <?php

    }

    

    function save_description_custom_fields(){

      global $post;

     

      if ( $post )

      {

        update_post_meta($post->ID, "description", @$_POST["description"]);

      }

    }

    add_action( 'admin_init', 'add_description_meta_boxes' );

    add_action( 'save_post', 'save_description_custom_fields' );