How to show Related Products by Product Categories only in Woocommerce
In the abstract-wc-product.php file in the woocommerce/includes/abstracts/ folder remove the following line
// Get tags
$terms = wp_get_post_terms( $this->id, 'product_tag' );
foreach ( $terms as $term ) {
$tags_array[] = $term->term_id;
}
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// Get tags
$terms = wp_get_post_terms( $this->id, 'product_tag' );
foreach ( $terms as $term ) {
$tags_array[] = $term->term_id;
}
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