<?php
  add_theme_support('post-thumbnails');

  register_nav_menus(
      array(
            'menu_principal' => 'Menú Principal',
            'menu_categorias' => 'Categorias Productos'
          )
    );

  add_action( 'after_setup_theme', 'woocommerce_support' );
  function woocommerce_support() {
    add_theme_support( 'woocommerce' );
    add_theme_support( 'wc-product-gallery-zoom' );
    add_theme_support( 'wc-product-gallery-lightbox' );
    add_theme_support( 'wc-product-gallery-slider' );
  }

  add_filter( 'woocommerce_output_related_products_args', 'jk_related_products_args' );
  function jk_related_products_args( $args ) {
    $args['posts_per_page'] = 3; // 4 related products
    $args['columns'] = 3; // arranged in 2 columns
    return $args;
  }

  if ( function_exists('register_sidebar') ){
    register_sidebar();
  }


  function get_excerpt($count){
    $permalink = get_permalink($post->ID);
    $excerpt = get_the_content();
    $excerpt = strip_tags($excerpt);
    $excerpt = substr($excerpt, 0, $count);
    $excerpt = $excerpt.'...'; //<a href="'.$permalink.'">more</a>
    return $excerpt;
  };