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/** |
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* Output breadcrumbs |
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* |
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* A lot of options for formatting, but this just uses the <nav> element, plus the |
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* 'breadcrumb' class as per @link http://microformats.org/wiki/blog-post-formats |
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* |
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* @uses $post |
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* @uses is_404() |
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* @uses apply_filters() |
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* @uses pilau_breadcrumb_link() |
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* @uses is_single() |
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* @uses get_post_type() |
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* @uses get_option() |
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* @param string $prefix |
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* @param string $sep |
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* @return void |
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*/ |
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function pilau_breadcrumbs( $prefix = 'You are here: ', $sep = ' <span class="sep">/</span> ' ) { |
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global $post; |
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$output = ''; |
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// Where are we now? |
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if ( is_404() ) { |
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// 404 not found |
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$output = $sep . __( 'Page not found' ); |
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} else { |
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/* |
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* Work backwards from unlinked current title |
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* Need to use get_queried_object because get_the_title() on post listing pages returns |
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* the title of the last post in the loop. |
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*/ |
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$output = $sep . apply_filters( 'the_title', get_queried_object()->post_title ); |
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if ( $post->ancestors ) { |
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// For pages and anything else ancestors |
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foreach ( $post->ancestors as $ancestor_id ) { |
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$output = $sep . pilau_breadcrumb_link( $ancestor_id ) . $output; |
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} |
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} else if ( is_single() ) { |
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// Single post |
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if ( get_post_type() == 'post' ) { |
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// Standard post |
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$output = $sep . pilau_breadcrumb_link( get_option( 'page_for_posts' ) ) . $output; |
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} else if ( $cpt_structure_settings = get_option( 'sc_cpt_sh_permalinks' ) ) { |
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// Custom post type, get settings for CPT Structure |
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if ( in_array( get_post_type(), array_keys( $cpt_structure_settings ) ) ) |
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$output = $sep . pilau_breadcrumb_link( $cpt_structure_settings[ get_post_type() ] ) . $output; |
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} |
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} |
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} |
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// Add home page - it's assumed breadcrumb will never be on home page |
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$output = '<a href="/">' . __( 'Home' ) . '</a>' . $output; |
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// Prefix? |
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if ( $prefix ) |
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$output = '<span class="prefix">' . $prefix . '</span>' . $output; |
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// Output |
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echo '<nav class="breadcrumb"><p>' . $output . '</p></nav>'; |
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} |
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/** |
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* Generate breadcrumb link |
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* |
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* @uses get_permalink() |
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* @uses get_the_title() |
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* @param int $id |
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* @return string |
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*/ |
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function pilau_breadcrumb_link( $id ) { |
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return '<a href="' . get_permalink( $id ) . '">' . get_the_title( $id ) . '</a>'; |
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} |
