Display all the subcategories from a specific category?

1 Views

I need to show all subcategories using 

$product_category = wp_get_post_terms( $post->ID, 'product_cat' );

actually I use:

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<?php 

global $post;

$terms = get_the_terms( $post->ID, 'product_cat', 'hide_empty=0'  );
foreach ( $terms as $term ){
    $category_id = $term->term_id;
    $category_name = $term->name;
    $category_slug = $term->slug;

    echo '<li><a href="'. get_term_link($term->slug, 'product_cat') .'">'.$category_name.'</a></li>';
}   

?>

It’s ok but it shows only the parent category and only one subcategory…

How to fix that?

Post Views: 1

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2 comments

  1. Try something like this:

    by ID

    function woocommerce_subcats_from_parentcat_by_ID($parent_cat_ID) {
    $args = array(
       'hierarchical' => 1,
       'show_option_none' => '',
       'hide_empty' => 0,
       'parent' => $parent_cat_ID,
       'taxonomy' => 'product_cat'
    );
  $subcats = get_categories($args);
    echo '<ul class="wooc_sclist">';
      foreach ($subcats as $sc) {
        $link = get_term_link( $sc->slug, $sc->taxonomy );
          echo '<li><a href="'. $link .'">'.$sc->name.'</a></li>';
      }
    echo '</ul>';
}

    by NAME

    function woocommerce_subcats_from_parentcat_by_NAME($parent_cat_NAME) {
  $IDbyNAME = get_term_by('name', $parent_cat_NAME, 'product_cat');
  $product_cat_ID = $IDbyNAME->term_id;
    $args = array(
       'hierarchical' => 1,
       'show_option_none' => '',
       'hide_empty' => 0,
       'parent' => $product_cat_ID,
       'taxonomy' => 'product_cat'
    );
  $subcats = get_categories($args);
    echo '<ul class="wooc_sclist">';
      foreach ($subcats as $sc) {
        $link = get_term_link( $sc->slug, $sc->taxonomy );
          echo '<li><a href="'. $link .'">'.$sc->name.'</a></li>';
      }
    echo '</ul>';
}

    Source/inspiration

    Edit:

    Completed the code, tested it, see comments

  2. Here is the code that worked for me in a page template (my parent id was 7):

    <?php $wcatTerms = get_terms('product_cat', array('hide_empty' => 0, 'orderby' => 'ASC', 'parent' => 7, )); 
        foreach($wcatTerms as $wcatTerm) : 
        $wthumbnail_id = get_woocommerce_term_meta( $wcatTerm->term_id, 'thumbnail_id', true );
        $wimage = wp_get_attachment_url( $wthumbnail_id );
    ?>
    <div><a href="<?php echo get_term_link( $wcatTerm->slug, $wcatTerm->taxonomy ); ?>">
    <?php if($wimage!=""):?><img src="<?php echo $wimage?>" class="aligncenter"><?php endif;?></a>
    <h3 class="text-center"><a href="<?php echo get_term_link( $wcatTerm->slug, $wcatTerm->taxonomy ); ?>"><?php echo $wcatTerm->name; ?></a></h3>
    </div>
    <?php endforeach; ?>

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