functions

<?php
define( 'calypso_CSS', get_template_directory_uri().'/css/' );
define( 'calypso_JS', get_template_directory_uri().'/js/' );
define( 'calypso_DIR', get_template_directory() );

/* -------------------------------------------
*               Include TGM Plugins
* -------------------------------------------- */
require_once( calypso_DIR . '/lib/class-tgm-plugin-activation.php');

/* -------------------------------------------
*               Fontawesome Helper
* -------------------------------------------- */

require_once( calypso_DIR . '/lib/fontawesome-helper.php');


/*-------------------------------------------*
 *              Register Navigation
 *------------------------------------------*/
register_nav_menus( array(
    'primary' => esc_html__( 'Primary Menu', 'calypso' ),
    // 'footernav' => esc_html__( 'Footer Menu', 'calypso' ),
) );


/*-------------------------------------------*
 *              navwalker
 *------------------------------------------*/
require_once( calypso_DIR . '/lib/menu/admin-megamenu-walker.php');
require_once( calypso_DIR . '/lib/menu/meagmenu-walker.php');
require_once( calypso_DIR . '/lib/menu/mobile-navwalker.php');
add_filter( 'wp_edit_nav_menu_walker', function( $class, $menu_id ){
    return 'Themeum_Megamenu_Walker';
}, 10, 2 );


/*-------------------------------------------*
*               Startup Register
*------------------------------------------*/
require_once( calypso_DIR . '/lib/main-function/themeum-register.php');


/*-------------------------------------------------------
*               Themeum Core
*-------------------------------------------------------*/
require_once( calypso_DIR . '/lib/main-function/themeum-core.php');
require_once( calypso_DIR . '/woocommerce/jihad.php');

function shipping_zones_shortcode() {

    $delivery_zones = WC_Shipping_Zones::get_zones();

    foreach ( (array) $delivery_zones as $key => $the_zone ) {
        echo ''.$the_zone['zone_name'].', ';
        echo ''.$the_zone['formatted_zone_location'].', ';

        echo ''.$the_zone['zone_locations'].', ';

        echo '<pre>';
        print_r($the_zone['shipping_methods']);
        echo '</pre>';

        // foreach ( $the_zone['shipping_methods'] as $zone ) {
        //     echo '<pre>';
        //     print_r($zone->method_description);
        //     echo '</pre>';
        // }

    }
}

add_shortcode( 'list_shipping_zones', 'shipping_zones_shortcode', 10 );
/*-----------------------------------------------------
 *              Custom Excerpt Length
 *----------------------------------------------------*/
if(!function_exists('calypso_excerpt_max_charlength')):
    function calypso_excerpt_max_charlength($charlength) {
        $excerpt = get_the_excerpt();
        $charlength++;

        if ( mb_strlen( $excerpt ) > $charlength ) {
            $subex = mb_substr( $excerpt, 0, $charlength - 5 );
            $exwords = explode( ' ', $subex );
            $excut = - ( mb_strlen( $exwords[ count( $exwords ) - 1 ] ) );
            if ( $excut < 0 ) {
                return mb_substr( $subex, 0, $excut );
            } else {
                return $subex;
            }
        } else {
            return $excerpt;
        }
    }
endif;

/*-------------------------------------------
 *              Custom Excerpt Length
 *-------------------------------------------*/
if(!function_exists('crowdfunding_excerpt_max_charlength')):
    function crowdfunding_excerpt_max_charlength($str,$charlength) {
        $excerpt = $str;
        $charlength++;
        if ( mb_strlen( $excerpt ) > $charlength ) {
            $subex = mb_substr( $excerpt, 0, $charlength - 5 );
            $exwords = explode( ' ', $subex );
            $excut = - ( mb_strlen( $exwords[ count( $exwords ) - 1 ] ) );
            if ( $excut < 0 ) {
                return mb_substr( $subex, 0, $excut );
            } else {
                return $subex;
            }
        } else {
            return $excerpt;
        }
    }
endif;



/* -------------------------------------------
 *              Custom body class
 * ------------------------------------------- */
add_filter( 'body_class', 'calypso_body_class' );
function calypso_body_class( $classes ) {
    $layout = get_theme_mod( 'boxfull_en', 'fullwidth' );
    $classes[] = $layout.'-bg';
    return $classes;
}

/* -------------------------------------------
 *              Logout Redirect Home
 * ------------------------------------------- */
add_action( 'wp_logout', 'calypso_auto_redirect_external_after_logout');
function calypso_auto_redirect_external_after_logout(){
  wp_redirect( home_url('/') );
  exit();
}


/* -------------------------------------------
 *              Remove API
 * ------------------------------------------- */
function calypso_remove_api() {
    remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );
    remove_action( 'wp_head', 'wp_oembed_add_discovery_links', 10 );
}
add_action( 'after_setup_theme', 'calypso_remove_api' );


/* -------------------------------------------
*               SVG image upload
* ------------------------------------------- */
function calypso_mime_types( $mimes ){
  $mimes['svg'] = 'image/svg+xml';
  $mimes['svgz'] = 'image/svg+xml';
  return $mimes;
}
add_filter('upload_mimes', 'calypso_mime_types');



/* -------------------------------------------
*        WooCommerce Product Column
* ------------------------------------------- */
add_filter('loop_shop_columns', 'loop_columns');
if (!function_exists('loop_columns')) {
    function loop_columns() {
        return 3; # 3 products per row
    }
}