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@gerrgg
Last active May 21, 2020 16:03
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Gets a product's category, sort terms by category hierarchy and add term description to product content.
<?php
function msp_maybe_category_description( $content ){
/**
* Gets current product category, sorts terms in hierarchy order
*
* @param string $content
* @return string $content
*/
if( is_product() ){
global $product;
$terms = get_terms( array(
'object_ids' => $product->get_id(),
'taxonomy' => 'product_cat',
));
// sort into Hierarchys
$sorted_terms = msp_sort_terms_to_hierarchy( $terms );
foreach( $sorted_terms as $terms ){
// do children
if( isset( $terms->children ) ){
foreach( $terms->children as $term ){
$content .= msp_get_term_description( $term );
}
}
// do parent;
$content .= msp_get_term_description( $terms );
}
}
// must always return content (leave outside if ^^)
return $content;
}
function msp_get_term_description( $term ){
/**
* Extracts term description if there is one and returns html
* @param WP_Term $term
* @return string $html
*/
$html = '';
if( ! is_wp_error( $term ) && ! empty( $term->description ) ){
$html .= sprintf( "<h5>%s</h5>%s", $term->name, $term->description );
}
return $html;
}
function msp_sort_terms_to_hierarchy($terms){
/**
* Sorts taxonomies into set hierarchy
* @param array $terms
* @return array $terms
*/
if( empty( $terms ) ) return false;
foreach($terms as $key => $term){
if($term->parent != 0){
$terms[$term->parent]->children[] = $term;
unset($terms[$key]);
}
}
return array_reverse( $terms );
}
/**
* Allow HTML in term (category, tag) descriptions
*/
foreach ( array( 'pre_term_description' ) as $filter ) {
remove_filter( $filter, 'wp_filter_kses' );
if ( ! current_user_can( 'unfiltered_html' ) ) {
add_filter( $filter, 'wp_filter_post_kses' );
}
}
foreach ( array( 'term_description' ) as $filter ) {
remove_filter( $filter, 'wp_kses_data' );
}
/**
* ===================================================
*/
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