Add info link based on product category [WooCommerce]

functions.php

<?php 

add_action( 'woocommerce_single_product_summary', 'my_add_read_more_about_category', 25);

function my_add_read_more_about_category()
{
    global $product;

    $cat_post_map = array(
        // category id => array(<page id to link to>, <category plural label (optional)>)
        173 => array( 449, 'cyklar' ),
        222 => array( 449, 'bilar' )
    );

    $category_ids = array_keys(get_the_terms( $product->id, 'product_cat' ));

    foreach( $cat_post_map AS $cat_id => $data )
    {
        if( in_array( $cat_id, $category_ids ) )
        {
            $post_id = $data[0];
            
            // Get category label
            if( isset( $data[1] ) )
            {
                $cat_name = $data[1];
            }
            else
            {
                $cat = get_term( $cat_id, 'product_cat' );
                $cat_name = $cat->name;
            }

            echo '<a class="button" href="'.get_permalink( $post_id ).'">'.sprintf( __('Läs mer om %s'), $cat_name ).'</a>';
        }
    }
}