WordPress 自定义文章类型 介绍及实例解说（下）

add_action( 'init', 'create_my_taxonomies', 0 );

function create_my_taxonomies() {
    register_taxonomy(
        'movie_reviews_movie_genre',
        'movie_reviews',
        array(
            'labels' => array(
                'name' => 'Movie Genre',
                'add_new_item' => 'Add New Movie Genre',
                'new_item_name' => "New Movie Type Genre"
            ),
            'show_ui' => true,
            'show_tagcloud' => false,
            'hierarchical' => true
        )
    );
}

                <strong>Genre: </strong>
                <?php  
                the_terms( $post->ID, 'movie_reviews_movie_genre' ,  ' ' );
                 ?>

<?php
 /*Template Name: New Template
 */
get_header(); ?>
<div id="primary">
    <div id="content" role="main">
     <?php $mypost = array( 'post_type' => 'movie_reviews', );
      $loop = new WP_Query( $mypost ); ?>
      <!-- Cycle through all posts -->
      <?php while ( $loop->have_posts() ) : $loop->the_post();?>
          <article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
              <header class="entry-header">
                <!-- Display featured image in top-aligned floating div -->
                 <div style="float: top; margin: 10px">
                    <?php the_post_thumbnail( array( 100, 100 ) ); ?>
                 </div>
                 <!-- Display Title and Author Name -->
                 <strong>Title: </strong><?php the_title(); ?><br />
                 <strong>Director: </strong>
                 <?php echo esc_html( get_post_meta( get_the_ID(), 'movie_director', true ) ); ?>
                 <br />
                <strong>Genre: </strong>
                <?php  
                the_terms( $post->ID, 'movie_reviews_movie_genre' ,  ' ' );
                    ?>
<br />
                 <!-- Display yellow stars based on rating -->
                <strong>Rating: </strong>
                <?php
                $nb_stars = intval( get_post_meta( get_the_ID(), 'movie_rating', true ) );
                for ( $star_counter = 1; $star_counter <= 5; $star_counter++ ) {
                    if ( $star_counter <= $nb_stars ) {
                        echo '<img src="' . plugins_url( 'Movie-Reviews/images/icon.png' ) . '" />';
                    } else {
                        echo '<img src="' . plugins_url( 'Movie-Reviews/images/grey.png' ). '" />';
                    }
                }
                ?>
              </header>
              <!-- Display movie review contents -->
              <div class="entry-content">
                   <?php the_content(); ?>
              </div>
              <hr/>
         </article>
   <?php endwhile;  ?>
   </div>
</div>
<?php wp_reset_query(); ?>
<?php get_footer(); ?>

add_filter( 'manage_edit-movie_reviews_columns', 'my_columns' );

function my_columns( $columns ) {
    $columns['movie_reviews_director'] = 'Director';
    $columns['movie_reviews_rating'] = 'Rating';
    unset( $columns['comments'] );
    return $columns;
}

add_action( 'manage_posts_custom_column', 'populate_columns' );

function populate_columns( $column ) {
    if ( 'movie_reviews_director' == $column ) {
        $movie_director = esc_html( get_post_meta( get_the_ID(), 'movie_director', true ) );
        echo $movie_director;
    }
    elseif ( 'movie_reviews_rating' == $column ) {
        $movie_rating = get_post_meta( get_the_ID(), 'movie_rating', true );
        echo $movie_rating . ' stars';
    }
}

add_filter( 'manage_edit-movie_reviews_sortable_columns', 'sort_me' );

function sort_me( $columns ) {
    $columns['movie_reviews_director'] = 'movie_reviews_director';
    $columns['movie_reviews_rating'] = 'movie_reviews_rating';

    return $columns;
}

add_filter( 'request', 'column_ordering' );

add_filter( 'request', 'column_orderby' );

function column_orderby ( $vars ) {
    if ( !is_admin() )
        return $vars;
    if ( isset( $vars['orderby'] ) && 'movie_reviews_director' == $vars['orderby'] ) {
        $vars = array_merge( $vars, array( 'meta_key' => 'movie_director', 'orderby' => 'meta_value' ) );
    }
    elseif ( isset( $vars['orderby'] ) && 'movie_reviews_rating' == $vars['orderby'] ) {
        $vars = array_merge( $vars, array( 'meta_key' => 'movie_rating', 'orderby' => 'meta_value_num' ) );
    }
    return $vars;
}

add_action( 'restrict_manage_posts', 'my_filter_list' );

function my_filter_list() {
    $screen = get_current_screen();
    global $wp_query;
    if ( $screen->post_type == 'movie_reviews' ) {
        wp_dropdown_categories( array(
            'show_option_all' => 'Show All Movie Genres',
            'taxonomy' => 'movie_reviews_movie_genre',
            'name' => 'movie_reviews_movie_genre',
            'orderby' => 'name',
            'selected' => ( isset( $wp_query->query['movie_reviews_movie_genre'] ) ? $wp_query->query['movie_reviews_movie_genre'] : '' ),
            'hierarchical' => false,
            'depth' => 3,
            'show_count' => false,
            'hide_empty' => true,
        ) );
    }
}

add_filter( 'parse_query','perform_filtering' );

function perform_filtering( $query ) {
    $qv = &$query->query_vars;
    if ( ( $qv['movie_reviews_movie_genre'] ) && is_numeric( $qv['movie_reviews_movie_genre'] ) ) {
        $term = get_term_by( 'id', $qv['movie_reviews_movie_genre'], 'movie_reviews_movie_genre' );
        $qv['movie_reviews_movie_genre'] = $term->slug;
    }
}

        elseif ( is_archive() ) {
            if ( $theme_file = locate_template( array ( 'archive-movie_reviews.php' ) ) ) {
                $template_path = $theme_file;
            } else { $template_path = plugin_dir_path( __FILE__ ) . '/archive-movie_reviews.php';

            }

function include_template_function( $template_path ) {
    if ( get_post_type() == 'movie_reviews' ) {
        if ( is_single() ) {
            // checks if the file exists in the theme first,
            // otherwise serve the file from the plugin
            if ( $theme_file = locate_template( array ( 'single-movie_reviews.php' ) ) ) {
                $template_path = $theme_file;
            } else {
                $template_path = plugin_dir_path( __FILE__ ) . '/single-movie_reviews.php';
            }
        }
        elseif ( is_archive() ) {
            if ( $theme_file = locate_template( array ( 'archive-movie_reviews.php' ) ) ) {
                $template_path = $theme_file;
            } else { $template_path = plugin_dir_path( __FILE__ ) . '/archive-movie_reviews.php';

            }
        }
    }
    return $template_path;
}

<?php get_header(); ?>
<section id="primary">
    <div id="content" role="main" style="width: 70%">
    <?php if ( have_posts() ) : ?>
        <header class="page-header">
            <h1 class="page-title">Movie Reviews</h1>
        </header>
        <table>
            <!-- Display table headers -->
            <tr>
                <th style="width: 200px"><strong>Title</strong></th>
                <th><strong>Director</strong></th>
            </tr>
            <!-- Start the Loop -->
            <?php while ( have_posts() ) : the_post(); ?>
                <!-- Display review title and author -->
                <tr>
                    <td><a rel="nofollow noopener noreferrer" href="<?php the_permalink(); ?>">
                    <?php the_title(); ?></a></td>
                    <td><?php echo esc_html( get_post_meta( get_the_ID(), 'movie_director', true ) ); ?></td>
                </tr>
            <?php endwhile; ?>

            <!-- Display page navigation -->

        </table>
        <?php global $wp_query;
        if ( isset( $wp_query->max_num_pages ) && $wp_query->max_num_pages > 1 ) { ?>
            <nav id="<?php echo $nav_id; ?>">
                <div class="nav-previous"><?php next_posts_link( '<span class="meta-nav">←</span> Older reviews'); ?></div>
                <div class="nav-next"><?php previous_posts_link( 'Newer reviews <span class= "meta-nav">→</span>' ); ?></div>
            </nav>
        <?php };
    endif; ?>
    </div>
</section>
<br /><br />
<?php get_footer(); ?>