create wordpress custom post type permalink structure

WordPress tutorial for, How to create wordpress custom post type permalink structure. Here we creating the Product post type with permalink.  we given code.

How to create wordpress custom post type permalink structure

Please open the functions.php file and put following code in that file.

/*
 * product custom post type added with new permalink
 */
function productposttype_with_custom_permalinks() {
register_post_type('product', array(
'label' => __('My product'),
 'singular_label' => __('product'),
 'show_ui' => true,
 'capability_type' => 'post',
 'hierarchical' => false,
 "supports" => array("title", "editor", "thumbnail", "author", "comments"),
 'taxonomies' => array('category', 'post_tag'), // this is IMPORTANT
'rewrite' => array('slug' => 'product'),
 'public' => true
    ));

//register_taxonomy( 'product-category', 'product', array ('hierarchical' => true, 'label' => __('product Categories'), 'rewrite' => array( 'slug' => 'product-category', 'with_front' => false ),));  // portfolio categories

add_rewrite_tag('%product%', '([^/]+)');
$extra_post_types = get_post_types(array('_builtin' => false, 'publicly_queryable' => true));
if (empty($extra_post_types))
return;
add_rewrite_tag('%post_type%', '(' . implode('|', $extra_post_types) . ')');
add_permastruct('product', '/%post_type%/%year%/%monthnum%/%day%/%product%/', true, 1);
}

/*
 * Funcation onload added the product custom post type
 */
add_action( 'init', 'productposttype_with_custom_permalinks' );

/*
 * product custom post added the permalink hook for enable the custom permalink
 * product custom post type
 */
function productposttype_with_product_permalink( $link, $post, $leavename, $sample ){
  if( 'product' != $post->post_type )
    return $link;
  $rewritecode = array(
    '%year%',
    '%monthnum%',
    '%day%',
    '%hour%',
    '%minute%',
    '%second%',
    $leavename? '' : '%postname%',
    '%post_id%',
    '%post_type%',
    $leavename? '' : '%pagename%',
    $leavename? '' : '%product%',
  );
  $unixtime = strtotime($post->post_date);
  $date = explode(' ', date('Y m d H i s', $unixtime));
  $replace_array = array(
    $date[0],
    $date[1],
    $date[2],
    $date[3],
    $date[4],
    $date[5],
    $post->post_name,
    $post->ID,
    $post->post_type,
    $post->post_name,
    $post->post_name,
  );
  $path = str_replace($rewritecode, $replace_array, $link);
  return $path;
}

add_action( 'post_type_link', 'productposttype_with_product_permalink', 10, 4 );

If you have any issues or problem with permalink then please write to me.