<?php
function lifeweb_breadcrumbs() {
	$delimiter = '<i class="fa fa-angle-double-right"></i>';
	$before = '<span class="current">';
	$after = '</span>';
 
	if ( !is_home() && !is_front_page() || is_paged() ) 
	{
		global $post;
	
		echo '<div xmlns:v="http://rdf.data-vocabulary.org/#"  id="crumbs">';
		
		$homeLink = home_url();
		echo '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" class="crumbs-home" href="' . $homeLink . '">' . __( '<i class="fa fa-home"></i> Trang chủ' , 'tie' ) . '</a></span> ' . $delimiter . ' ';
		
		if ( is_category() ) {
			global $wp_query;
			$cat_obj = $wp_query->get_queried_object();
			$thisCat = $cat_obj->term_id;
			$thisCat = get_category($thisCat);
			$parentCat = get_category($thisCat->parent);
			if ($thisCat->parent != 0){
			if( !is_wp_error( $cat_code = get_category_parents($parentCat, TRUE, ' ' . $delimiter . ' ') ) ){
				$cat_code = str_replace ('<a','<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title"', $cat_code );
				echo $cat_code = str_replace ('</a>','</a></span>', $cat_code );
			}
			}
			echo $before . '' . single_cat_title('', false) . '' . $after;
		
		} 
		elseif ( is_day() ) 
		{
			echo '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a></span> ' . $delimiter . ' ';
			echo '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a></span> ' . $delimiter . ' ';
			echo $before . get_the_time('d') . $after;
			
		} 
		elseif ( is_month() )
		{
			echo '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a></span> ' . $delimiter . ' ';
			echo $before . get_the_time('F') . $after;
		
		} 
		elseif ( is_year() ) 
		{
			echo $before . get_the_time('Y') . $after;
		
		} 
		elseif ( is_single() && !is_attachment() ) 
		{
			if ( get_post_type() != 'post' ) 
			{
				$post_type = get_post_type_object(get_post_type());
				$slug = $post_type->rewrite;
				echo '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . $homeLink . '/' . $slug['slug'] . '/">' . $post_type->labels->singular_name . '</a></span> ' . $delimiter . ' ';
				echo $before . get_the_title() . $after;
			} 
			else 
			{
				$cat = get_the_category(); $cat = $cat[0];
				if( !empty( $cat ) )
				{
					if( !is_wp_error( $cat_code = get_category_parents($cat, TRUE, ' ' . $delimiter . ' ') ) ){
						$cat_code = str_replace ('<a','<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title"', $cat_code );
						echo $cat_code = str_replace ('</a>','</a></span>', $cat_code );
					}
				}
				echo $before . get_the_title() . $after;
			}
		
		}
		elseif ( (is_page() && !$post->post_parent) || ( function_exists('bp_current_component') && bp_current_component() ) ) 
		{
			echo $before . get_the_title() . $after;
		}
		elseif ( !is_single() && !is_page() && get_post_type() != 'post' ) 
		{
			$post_type = get_post_type_object(get_post_type());
			echo $before . $post_type->labels->singular_name . $after;
		
		} 
		elseif ( is_attachment() ) 
		{
			$parent = get_post($post->post_parent);
			$cat = get_the_category($parent->ID); $cat = $cat[0];
			echo '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . get_permalink($parent) . '">' . $parent->post_title . '</a></span> ' . $delimiter . ' ';
			echo $before . get_the_title() . $after;
		
		} 
		elseif ( is_page() && $post->post_parent ) 
		{
			$parent_id  = $post->post_parent;
			$breadcrumbs = array();
			while ($parent_id) 
			{
				$page = get_page($parent_id);
				$breadcrumbs[] = '<span typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a></span>';
				$parent_id  = $page->post_parent;
			}
			$breadcrumbs = array_reverse($breadcrumbs);
			
			foreach ($breadcrumbs as $crumb) echo $crumb . ' ' . $delimiter . ' ';
			echo $before . get_the_title() . $after;
		
		} 
		elseif ( is_search() ) 
		{
			echo $before ;
			printf( __( 'Search Results for: %s', 'tie' ),  get_search_query() );
			echo  $after;
		
		} elseif ( is_tag() ) {
			echo $before ;
			printf( __( 'Tag Archives: %s', 'tie' ), single_tag_title( '', false ) );
			echo  $after;
		
		} 
		elseif ( is_author() ) 
		{
			global $author;
			$userdata = get_userdata($author);
			echo $before ;
			printf( __( 'Author Archives: %s', 'tie' ),  $userdata->display_name );
			echo  $after;
		
		} 
		elseif ( is_404() ) 
		{
			echo $before;
			_e( 'Not Found', 'tie' );
			echo  $after;
		}
		
		if ( get_query_var('paged') ) 
		{
			if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
				echo __('page ' , 'tie') . ' ' . get_query_var('paged');
			if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
		}
		
		echo '</div>';
	
	}
}

?>