├── README.md
├── calling-function.php
└── functions.php


/README.md:
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 1 | # WP BreadCrumb Function
 2 | Paste the `functions.php` code in your function file and call that function where you want to display breadcrumb.
 3 | 
 4 | #### V 1.1
 5 | 
 6 | This function updated and now supported to `custom taxonomy`, `custom post type` and `parent/child pages`. Also updated `archive (day, month, year) part`
 7 | 
 8 | #### V 1.0
 9 | 
10 | This function is not yet supported to WooCommerce or any other specific plugin. It just based on default WordPress pages like `Single, Archive, Search, 404 or Page`.
11 | 
12 | This function also check the parent and child category and display it like below.
13 | 
14 | `Parent Category > Child Category > SubChild Category ...`
15 | 


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/calling-function.php:
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1 | <?php
2 | // Call the breadcrumb function where you want to display
3 | 
4 | ah_breadcrumb();
5 | 


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/functions.php:
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  1 | <?php
  2 | // Wordpress Breadcrumb Function
  3 | // Add this code into your theme function file.
  4 | 
  5 | function ah_breadcrumb() {
  6 | 
  7 |   // Check if is front/home page, return
  8 |   if ( is_front_page() ) {
  9 |     return;
 10 |   }
 11 | 
 12 |   // Define
 13 |   global $post;
 14 |   $custom_taxonomy  = ''; // If you have custom taxonomy place it here
 15 | 
 16 |   $defaults = array(
 17 |     'seperator'   =>  '&#187;',
 18 |     'id'          =>  'ah-breadcrumb',
 19 |     'classes'     =>  'ah-breadcrumb',
 20 |     'home_title'  =>  esc_html__( 'Home', '' )
 21 |   );
 22 | 
 23 |   $sep  = '<li class="seperator">'. esc_html( $defaults['seperator'] ) .'</li>';
 24 | 
 25 |   // Start the breadcrumb with a link to your homepage
 26 |   echo '<ul id="'. esc_attr( $defaults['id'] ) .'" class="'. esc_attr( $defaults['classes'] ) .'">';
 27 | 
 28 |   // Creating home link
 29 |   echo '<li class="item"><a href="'. get_home_url() .'">'. esc_html( $defaults['home_title'] ) .'</a></li>' . $sep;
 30 | 
 31 |   if ( is_single() ) {
 32 | 
 33 |     // Get posts type
 34 |     $post_type = get_post_type();
 35 | 
 36 |     // If post type is not post
 37 |     if( $post_type != 'post' ) {
 38 | 
 39 |       $post_type_object   = get_post_type_object( $post_type );
 40 |       $post_type_link     = get_post_type_archive_link( $post_type );
 41 | 
 42 |       echo '<li class="item item-cat"><a href="'. $post_type_link .'">'. $post_type_object->labels->name .'</a></li>'. $sep;
 43 | 
 44 |     }
 45 | 
 46 |     // Get categories
 47 |     $category = get_the_category( $post->ID );
 48 | 
 49 |     // If category not empty
 50 |     if( !empty( $category ) ) {
 51 | 
 52 |       // Arrange category parent to child
 53 |       $category_values      = array_values( $category );
 54 |       $get_last_category    = end( $category_values );
 55 |       // $get_last_category    = $category[count($category) - 1];
 56 |       $get_parent_category  = rtrim( get_category_parents( $get_last_category->term_id, true, ',' ), ',' );
 57 |       $cat_parent           = explode( ',', $get_parent_category );
 58 | 
 59 |       // Store category in $display_category
 60 |       $display_category = '';
 61 |       foreach( $cat_parent as $p ) {
 62 |         $display_category .=  '<li class="item item-cat">'. $p .'</li>' . $sep;
 63 |       }
 64 | 
 65 |     }
 66 | 
 67 |     // If it's a custom post type within a custom taxonomy
 68 |     $taxonomy_exists = taxonomy_exists( $custom_taxonomy );
 69 | 
 70 |     if( empty( $get_last_category ) && !empty( $custom_taxonomy ) && $taxonomy_exists ) {
 71 | 
 72 |       $taxonomy_terms = get_the_terms( $post->ID, $custom_taxonomy );
 73 |       $cat_id         = $taxonomy_terms[0]->term_id;
 74 |       $cat_link       = get_term_link($taxonomy_terms[0]->term_id, $custom_taxonomy);
 75 |       $cat_name       = $taxonomy_terms[0]->name;
 76 | 
 77 |     }
 78 | 
 79 |     // Check if the post is in a category
 80 |     if( !empty( $get_last_category ) ) {
 81 | 
 82 |       echo $display_category;
 83 |       echo '<li class="item item-current">'. get_the_title() .'</li>';
 84 | 
 85 |     } else if( !empty( $cat_id ) ) {
 86 | 
 87 |       echo '<li class="item item-cat"><a href="'. $cat_link .'">'. $cat_name .'</a></li>' . $sep;
 88 |       echo '<li class="item-current item">'. get_the_title() .'</li>';
 89 | 
 90 |     } else {
 91 | 
 92 |       echo '<li class="item-current item">'. get_the_title() .'</li>';
 93 | 
 94 |     }
 95 | 
 96 |   } else if( is_archive() ) {
 97 | 
 98 |     if( is_tax() ) {
 99 |       // Get posts type
100 |       $post_type = get_post_type();
101 | 
102 |       // If post type is not post
103 |       if( $post_type != 'post' ) {
104 | 
105 |         $post_type_object   = get_post_type_object( $post_type );
106 |         $post_type_link     = get_post_type_archive_link( $post_type );
107 | 
108 |         echo '<li class="item item-cat item-custom-post-type-' . $post_type . '"><a href="' . $post_type_link . '">' . $post_type_object->labels->name . '</a></li>' . $sep;
109 | 
110 |       }
111 | 
112 |       $custom_tax_name = get_queried_object()->name;
113 |       echo '<li class="item item-current">'. $custom_tax_name .'</li>';
114 | 
115 |     } else if ( is_category() ) {
116 | 
117 |       $parent = get_queried_object()->category_parent;
118 | 
119 |       if ( $parent !== 0 ) {
120 | 
121 |         $parent_category = get_category( $parent );
122 |         $category_link   = get_category_link( $parent );
123 | 
124 |         echo '<li class="item"><a href="'. esc_url( $category_link ) .'">'. $parent_category->name .'</a></li>' . $sep;
125 | 
126 |       }
127 | 
128 |       echo '<li class="item item-current">'. single_cat_title( '', false ) .'</li>';
129 | 
130 |     } else if ( is_tag() ) {
131 | 
132 |       // Get tag information
133 |       $term_id        = get_query_var('tag_id');
134 |       $taxonomy       = 'post_tag';
135 |       $args           = 'include=' . $term_id;
136 |       $terms          = get_terms( $taxonomy, $args );
137 |       $get_term_name  = $terms[0]->name;
138 | 
139 |       // Display the tag name
140 |       echo '<li class="item-current item">'. $get_term_name .'</li>';
141 | 
142 |     } else if( is_day() ) {
143 | 
144 |       // Day archive
145 | 
146 |       // Year link
147 |       echo '<li class="item-year item"><a href="'. get_year_link( get_the_time('Y') ) .'">'. get_the_time('Y') . ' Archives</a></li>' . $sep;
148 | 
149 |       // Month link
150 |       echo '<li class="item-month item"><a href="'. get_month_link( get_the_time('Y'), get_the_time('m') ) .'">'. get_the_time('M') .' Archives</a></li>' . $sep;
151 | 
152 |       // Day display
153 |       echo '<li class="item-current item">'. get_the_time('jS') .' '. get_the_time('M'). ' Archives</li>';
154 | 
155 |     } else if( is_month() ) {
156 | 
157 |       // Month archive
158 | 
159 |       // Year link
160 |       echo '<li class="item-year item"><a href="'. get_year_link( get_the_time('Y') ) .'">'. get_the_time('Y') . ' Archives</a></li>' . $sep;
161 | 
162 |       // Month Display
163 |       echo '<li class="item-month item-current item">'. get_the_time('M') .' Archives</li>';
164 | 
165 |     } else if ( is_year() ) {
166 | 
167 |       // Year Display
168 |       echo '<li class="item-year item-current item">'. get_the_time('Y') .' Archives</li>';
169 | 
170 |     } else if ( is_author() ) {
171 | 
172 |       // Auhor archive
173 | 
174 |       // Get the author information
175 |       global $author;
176 |       $userdata = get_userdata( $author );
177 | 
178 |       // Display author name
179 |       echo '<li class="item-current item">'. 'Author: '. $userdata->display_name . '</li>';
180 | 
181 |     } else {
182 | 
183 |       echo '<li class="item item-current">'. post_type_archive_title() .'</li>';
184 | 
185 |     }
186 | 
187 |   } else if ( is_page() ) {
188 | 
189 |     // Standard page
190 |     if( $post->post_parent ) {
191 | 
192 |       // If child page, get parents
193 |       $anc = get_post_ancestors( $post->ID );
194 | 
195 |       // Get parents in the right order
196 |       $anc = array_reverse( $anc );
197 | 
198 |       // Parent page loop
199 |       if ( !isset( $parents ) ) $parents = null;
200 |       foreach ( $anc as $ancestor ) {
201 | 
202 |         $parents .= '<li class="item-parent item"><a href="'. get_permalink( $ancestor ) .'">'. get_the_title( $ancestor ) .'</a></li>' . $sep;
203 | 
204 |       }
205 | 
206 |       // Display parent pages
207 |       echo $parents;
208 | 
209 |       // Current page
210 |       echo '<li class="item-current item">'. get_the_title() .'</li>';
211 | 
212 |     } else {
213 | 
214 |       // Just display current page if not parents
215 |       echo '<li class="item-current item">'. get_the_title() .'</li>';
216 | 
217 |     }
218 | 
219 |   } else if ( is_search() ) {
220 | 
221 |     // Search results page
222 |     echo '<li class="item-current item">Search results for: '. get_search_query() .'</li>';
223 | 
224 |   } else if ( is_404() ) {
225 | 
226 |     // 404 page
227 |     echo '<li class="item-current item">' . 'Error 404' . '</li>';
228 | 
229 |   }
230 | 
231 |   // End breadcrumb
232 |   echo '</ul>';
233 | 
234 | }
235 | 


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