如何按类别过滤帖子？

我有一个自定义的帖子类型，现在我需要根据项目的类别过滤项目，而不需要直接转到其他页面。我还需要all 将显示所有项目的类别。Link 前往试验现场。如果有任何帮助，我将不胜感激。

投资组合类型。php：

 <?php

 if ( function_exists( \'add_theme_support\' ) ) { 
    add_theme_support( \'post-thumbnails\' );
    set_post_thumbnail_size( 270, 170, true ); // Normal post thumbnails
    add_image_size( \'screen-shot\', 720, 540 ); // Full size screen
 }

 add_action(\'init\', \'portfolio_register\');  

 function portfolio_register() {
 $labels = array(
    \'name\' => _x(\'Portfolio\', \'post type general name\'),
    \'singular_name\' => _x(\'Portfolio Item\', \'post type singular name\'),
    \'add_new\' => _x(\'Add New\', \'portfolio item\'),
    \'add_new_item\' => __(\'Add New Portfolio Item\'),
    \'edit_item\' => __(\'Edit Portfolio Item\'),
    \'new_item\' => __(\'New Portfolio Item\'),
    \'view_item\' => __(\'View Portfolio Item\'),
    \'search_items\' => __(\'Search Portfolio Items\'),
    \'not_found\' =>  __(\'Nothing found\'),
    \'not_found_in_trash\' => __(\'Nothing found in Trash\'),
    \'parent_item_colon\' => \'\'
);
$args = array(
    \'labels\' => $labels,
    \'public\' => true,
    \'publicly_queryable\' => true,
    \'show_ui\' => true,
    \'query_var\' => true,
    \'rewrite\' => true,
    \'capability_type\' => \'post\',
    \'hierarchical\' => false,
    \'menu_position\' => 5,
    \'supports\' => array(\'title\',\'editor\',\'thumbnail\')
); 
register_post_type( \'portfolio\' , $args );
}

function create_portfolio_taxonomies() {
$labels = array(
    \'name\'              => _x( \'Categories\', \'taxonomy general name\' ),
    \'singular_name\'     => _x( \'Category\', \'taxonomy singular name\' ),
    \'search_items\'      => __( \'Search Categories\' ),
    \'all_items\'         => __( \'All Categories\' ),
    \'parent_item\'       => __( \'Parent Category\' ),
    \'parent_item_colon\' => __( \'Parent Category:\' ),
    \'edit_item\'         => __( \'Edit Category\' ),
    \'update_item\'       => __( \'Update Category\' ),
    \'add_new_item\'      => __( \'Add New Category\' ),
    \'new_item_name\'     => __( \'New Category Name\' ),
    \'menu_name\'         => __( \'Categories\' ),
);

$args = array(
    \'hierarchical\'      => true, // Set this to \'false\' for non-hierarchical taxonomy (like tags)
    \'labels\'            => $labels,
    \'show_ui\'           => true,
    \'show_admin_column\' => true,
    \'query_var\'         => true,
    \'rewrite\'           => array( \'slug\' => \'categories\' ),
);

register_taxonomy( \'portfolio_categories\', array( \'portfolio\' ), $args );
}
 add_action( \'init\', \'create_portfolio_taxonomies\', 0 );

?>

索引。php：

        <!-- Start Portfolio Page -->

    <section id="portfolio" class="page">
        <div class="container">
            <div class="row">
                <div class="span12">

                    <div class="title">Portfoolio</div>
                    <hr>
                    <div class="sub-title visible-desktop">Tööd:</div>

                            <!-- Start Filters -->

                      <?php

                      $taxonomy = \'portfolio_categories\';
                      $terms = get_terms($taxonomy); // Get all terms of a taxonomy

                      if ( $terms && !is_wp_error( $terms ) ) :
                      ?>
                          <ul class="option-set" data-option-key="filter">
                            <li class="filter-icon hidden-phone">&#0065;</li>
                              <?php foreach ( $terms as $term ) { ?>
                                  <li><a href="<?php echo get_term_link($term->slug, $taxonomy); ?>" ><?php echo $term->name; ?></a></li>
                              <?php } ?>
                          </ul>
                      <?php endif;?>

                        <!-- End Filters -->            

                        <!-- Start Projects -->

                    <div id="posts" class="row isotope">


                      <?php if (have_posts()) : while (have_posts()) : the_post(); ?>  

                          <?php  
                              $title= str_ireplace(\'"\', \'\', trim(get_the_title()));  
                              $desc= str_ireplace(\'"\', \'\', trim(get_the_content()));  
                          ?>     

                          <div class="item post item span4 isotope-item">

                            <a class="project-wrp fancybox" title="<?=$title?>" rel="lightbox[work]" href="<?php print portfolio_thumbnail_url($post->ID) ?>"><div class="profile-photo"><div class="profile-icon">&#0102;</div><?php the_post_thumbnail(array(\'230\',\'170\'),array(\'alt\' => \'\')); ?> </div>  
                            <div class="project-name"><?php echo $title; ?></div>
                            <div class="project-client"><?php echo $desc; ?></div>
                            </a>
                          </div>  
                      <?php endwhile; endif; ?>  

                    </div>

                </div>                    
            </div>
        </div>

    </section>

    <!-- End Portfolio Page -->

<ul id="filters"> <li><a href="#" data-filter="*">show all</a></li> <li><a href="#" data-filter=".metal">metal</a></li> <li><a href="#" data-filter=".transition">transition</a></li> <li><a href="#" data-filter=".alkali, .alkaline-earth">alkali and alkaline-earth</a></li> <li><a href="#" data-filter=":not(.transition)">not transition</a></li> <li><a href="#" data-filter=".metal:not(.transition)">metal but not transition</a></li> </ul> <div id="container"> <div class="element transition metal">...</div> <div class="element post-transition metal">...</div> <div class="element alkali metal">...</div> <div class="element transition metal">...</div> <div class="element lanthanoid metal inner-transition">...</div> <div class="element halogen nonmetal">...</div> <div class="element alkaline-earth metal">...</div> ... </div>

// cache container var $container = $(\'#container\'); // initialize isotope $container.isotope({ // options... }); // filter items when filter link is clicked $(\'#filters a\').click(function(){ var selector = $(this).attr(\'data-filter\'); $container.isotope({ filter: selector }); return false; });

<?php $taxonomy = \'portfolio_categories\'; $terms = get_terms($taxonomy); // Get all terms of a taxonomy if ( $terms && !is_wp_error( $terms ) ) : ?> <ul class="option-set" data-option-key="filter"> <li class="filter-icon hidden-phone">A</li> <li><a href="#" data-option-value="*">All</a></li> <?php foreach ( $terms as $term ) { ?> <li><a data-option-value=".<?php echo $term->slug; ?>" href="#" ><?php echo $term->name; ?></a></li> <?php } ?> </ul> <?php endif;?>   <?php if (have_posts()) : while (have_posts()) : the_post(); ?> <?php $title= str_ireplace(\'"\', \'\', trim(get_the_title())); $desc= str_ireplace(\'"\', \'\', trim(get_the_content())); /* * Note: get_the_terms() function, retrieves all the terms of a taxonomy, that belong to the post. * Return: (array|false|wp_error) * 1. array of terms object * 2. false if no terms in taxonomy * 3. wp_error object if the given taxonomy is an invalid one */ $termsObj = get_the_terms( $post->ID, \'portfolio_categories\' ); if ( $termsObj && !is_wp_error( $termsObj ) ) : //We need only the slug of this/these term(s) so looping through the result to grab only the slug value and store it in a new array $terms = array(); foreach( $termsObj as $obj ){ $terms[] = $obj->slug; } //Join or implode the new array to a string and then put it in the class attribute of the portoflio item $termsString = join( \' \', $terms); endif; ?> <div class="item post item span4 isotope-item <?php echo $termsString; ?>"> <a class="project-wrp fancybox" title="<?=$title?>" rel="lightbox[work]" href="<?php print portfolio_thumbnail_url($post->ID) ?>"> <div class="profile-photo"><div class="profile-icon">f</div><?php the_post_thumbnail(array(\'230\',\'170\'),array(\'alt\' => \'\')); ?> </div> <div class="project-name"><?php echo $title; ?></div> <div class="project-client"><?php echo $desc; ?></div> </a> </div> <?php endwhile; endif; ?>

Extracting post categories

我正在帮助一位同事重新配置Wordpress数据库，以便在其他平台上使用。数据库基本上是关于所有帖子和附带元数据等的详细信息。我一直坚持的一件事是确定如何将每个帖子与其Wordpress类别关联起来。基本上，我希望能够将每个帖子及其对应的类别提取到电子表格中，要做到这一点，我显然需要知道它们在表格中的关系。有人能给我指出正确的方向吗？如有任何帮助，我们将不胜感激。非常感谢。

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