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shaddam/How to creating WordPress breadcrumbs without any plugin

Last active April 28, 2020 06:57
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How to creating WordPress breadcrumbs without any plugin
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How to creating WordPress breadcrumbs without any plugin
<?php
/**
* This partial is used for displaying the Breadcrumbs
*
* @package draw
*
* Add this to any template file by calling draw_breadcrumbs()
*/
/**
* Breadcrumb
*/
function draw_breadcrumbs() {
$breadcrumbs_separator = '/';
/**
* Settings
*/
$separator = $breadcrumbs_separator;
$breadcrums_id = 'breadcrumbs';
$breadcrums_class = 'breadcrumbs';
$home_title = __('Home', 'draw');
// If you have any custom post types with custom taxonomies, put the taxonomy name below (e.g. product_cat)
$custom_taxonomy = '';
// Get the query & post information
global $post,$wp_query;
// Do not display on the homepage
if ( !is_front_page() ) {
// Build the breadcrums
echo '<ul id="' . $breadcrums_id . '" class="' . $breadcrums_class . '">';
// Home page
echo '<li class="item-home"><a class="bread-link bread-home" href="' . esc_url(get_home_url()) . '" title="' . $home_title . '">' . $home_title . '</a></li>';
echo '<li class="separator separator-home"> ' . esc_html($separator) . ' </li>';
if ( is_archive() && !is_tax() && !is_category() && !is_tag() ) {
echo '<li class="item-current item-archive"><span class="bread-current bread-archive">' . get_the_archive_title( ) . '</span></li>';
} else if ( is_archive() && is_tax() && !is_category() && !is_tag() ) {
// If post is a custom post type
$post_type = get_post_type();
// If it is a custom post type display name and link
if($post_type != 'post') {
$post_type_object = get_post_type_object($post_type);
$post_type_archive = get_post_type_archive_link($post_type);
echo '<li class="item-cat item-custom-post-type-' . $post_type . '"><a class="bread-cat bread-custom-post-type-' . $post_type . '" href="' . esc_url($post_type_archive) . '" title="' . $post_type_object->labels->name . '">' . $post_type_object->labels->name . '</a></li>';
echo '<li class="separator"> ' . esc_html($separator) . ' </li>';
}
$custom_tax_name = get_queried_object()->name;
echo '<li class="item-current item-archive"><span class="bread-current bread-archive">' . esc_html($custom_tax_name) . '</span></li>';
} else if ( is_single() ) {
// If post is a custom post type
$post_type = get_post_type();
// If it is a custom post type display name and link
if($post_type != 'post') {
$post_type_object = get_post_type_object($post_type);
$post_type_archive = get_post_type_archive_link($post_type);
echo '<li class="item-cat item-custom-post-type-' . $post_type . '"><a class="bread-cat bread-custom-post-type-' . $post_type . '" href="' . esc_url($post_type_archive) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . esc_html($post_type_object->labels->name) . '</a></li>';
echo '<li class="separator"> ' . esc_html($separator) . ' </li>';
}
// Get post category info
$category = get_the_category();
if(!empty($category)) {
// Get last category post is in
$last_category = end($category);
// Get parent any categories and create array
$get_cat_parents = rtrim(get_category_parents($last_category->term_id, true, ','),',');
$cat_parents = explode(',',$get_cat_parents);
// Loop through parent categories and store in variable $cat_display
$cat_display = '';
foreach($cat_parents as $parents) {
$cat_display .= '<li class="item-cat">'.$parents.'</li>';
$cat_display .= '<li class="separator"> ' . esc_html($separator) . ' </li>';
}
}
// If it's a custom post type within a custom taxonomy
$taxonomy_exists = taxonomy_exists($custom_taxonomy);
if(empty($last_category) && !empty($custom_taxonomy) && $taxonomy_exists) {
$taxonomy_terms = get_the_terms( $post->ID, $custom_taxonomy );
$cat_id = $taxonomy_terms[0]->term_id;
$cat_nicename = $taxonomy_terms[0]->slug;
$cat_link = get_term_link($taxonomy_terms[0]->term_id, $custom_taxonomy);
$cat_name = $taxonomy_terms[0]->name;
}
// Check if the post is in a category
if(!empty($last_category)) {
echo wp_kses_post($cat_display);
echo '<li class="item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '" title="' . esc_attr(get_the_title()) . '">' . esc_html(get_the_title()) . '</span></li>';
// Else if post is in a custom taxonomy
} else if(!empty($cat_id)) {
echo '<li class="item-cat item-cat-' . $cat_id . ' item-cat-' . $cat_nicename . '"><a class="bread-cat bread-cat-' . $cat_id . ' bread-cat-' . $cat_nicename . '" href="' . esc_url($cat_link) . '" title="' . esc_attr($cat_name) . '">' . esc_html($cat_name) . '</a></li>';
echo '<li class="separator"> ' . esc_html($separator) . ' </li>';
echo '<li class="item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '" title="' . esc_attr( get_the_title() ) . '">' . esc_html( get_the_title() ) . '</span></li>';
} else {
echo '<li class="item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '" title="' . esc_attr( get_the_title() ) . '">' . esc_html( get_the_title() ) . '</span></li>';
}
} else if ( is_category() ) {
// Category page
echo '<li class="item-current item-cat"><span class="bread-current bread-cat">' . esc_html( single_cat_title('', false) ) . '</span></li>';
} else if ( is_page() ) {
// Standard page
if( $post->post_parent ){
// If child page, get parents
$anc = get_post_ancestors( $post->ID );
// Get parents in the right order
$anc = array_reverse($anc);
// Parent page loop
foreach ( $anc as $ancestor ) {
$parents = '<li class="item-parent item-parent-' . $ancestor . '"><a class="bread-parent bread-parent-' . $ancestor . '" href="' . get_permalink($ancestor) . '" title="' . get_the_title($ancestor) . '">' . get_the_title($ancestor) . '</a></li>';
$parents .= '<li class="separator separator-' . $ancestor . '"> ' . esc_html($separator) . ' </li>';
}
// Display parent pages
echo wp_kses_post($parents);
// Current page
echo '<li class="item-current item-' . $post->ID . '"><span title="' . esc_attr( get_the_title() ) . '"> ' . esc_html( get_the_title() ) . '</span></li>';
} else {
// Just display current page if not parents
echo '<li class="item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '"> ' . esc_html( get_the_title() ) . '</span></li>';
}
} else if ( is_tag() ) {
// Tag page
// Get tag information
$term_id = get_query_var('tag_id');
$taxonomy = 'post_tag';
$args = 'include=' . $term_id;
$terms = get_terms( $taxonomy, $args );
$get_term_id = $terms[0]->term_id;
$get_term_slug = $terms[0]->slug;
$get_term_name = $terms[0]->name;
// Display the tag name
echo '<li class="item-current item-tag-' . $get_term_id . ' item-tag-' . $get_term_slug . '"><span class="bread-current bread-tag-' . $get_term_id . ' bread-tag-' . $get_term_slug . '">' . $get_term_name . '</span></li>';
} elseif ( is_day() ) {
// Day archive
// Year link
echo '<li class="item-year item-year-' . get_the_time('Y') . '"><a class="bread-year bread-year-' . get_the_time('Y') . '" href="' . get_year_link( get_the_time('Y') ) . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . esc_html__('Archives', 'draw') .'</a></li>';
echo '<li class="separator separator-' . get_the_time('Y') . '"> ' . esc_html($separator) . ' </li>';
// Month link
echo '<li class="item-month item-month-' . get_the_time('m') . '"><a class="bread-month bread-month-' . get_the_time('m') . '" href="' . get_month_link( get_the_time('Y'), get_the_time('m') ) . '" title="' . get_the_time('M') . '">' . get_the_time('M') . esc_html__('Archives', 'draw') .'</a></li>';
echo '<li class="separator separator-' . get_the_time('m') . '"> ' . esc_html($separator) . ' </li>';
// Day display
echo '<li class="item-current item-' . get_the_time('j') . '"><span class="bread-current bread-' . get_the_time('j') . '"> ' . get_the_time('jS') . ' ' . get_the_time('M') . esc_html__('Archives', 'draw') .'</span></li>';
} else if ( is_month() ) {
// Month Archive
// Year link
echo '<li class="item-year item-year-' . get_the_time('Y') . '"><a class="bread-year bread-year-' . get_the_time('Y') . '" href="' . get_year_link( get_the_time('Y') ) . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . esc_html__('Archives', 'draw') .'</a></li>';
echo '<li class="separator separator-' . get_the_time('Y') . '"> ' . esc_html($separator) . ' </li>';
// Month display
echo '<li class="item-month item-month-' . get_the_time('m') . '"><span class="bread-month bread-month-' . get_the_time('m') . '" title="' . get_the_time('M') . '">' . get_the_time('M') . esc_html__('Archives', 'draw') .'</span></li>';
} else if ( is_year() ) {
// Display year archive
echo '<li class="item-current item-current-' . get_the_time('Y') . '"><span class="bread-current bread-current-' . get_the_time('Y') . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . esc_html__('Archives', 'draw') .'</span></li>';
} else if ( is_author() ) {
// Auhor archive
// Get the author information
global $author;
$userdata = get_userdata( $author );
// Display author name
echo '<li class="item-current item-current-' . esc_attr($userdata->user_nicename) . '"><span class="bread-current bread-current-' . esc_attr($userdata->user_nicename) . '" title="' . esc_attr( $userdata->display_name ) . '">' . esc_html__('Author: ', 'draw') . esc_html( $userdata->display_name ) . '</span></li>';
} else if ( get_query_var('paged') ) {
// Paginated archives
echo '<li class="item-current item-current-' . get_query_var('paged') . '"><span class="bread-current bread-current-' . get_query_var('paged') . '" title="Page ' . get_query_var('paged') . '">'.esc_html__('Page', 'draw') . ' ' . get_query_var('paged') . '</span></li>';
} else if ( is_search() ) {
// Search results page
echo '<li class="item-current item-current-' . get_search_query() . '"><span class="bread-current bread-current-' . get_search_query() . '" title="Search results for: ' . get_search_query() . '">' . esc_html__('Search results for: ', 'draw') . get_search_query() . '</span></li>';
} elseif ( is_404() ) {
// 404 page
echo '<li>' . esc_html__('Error 404', 'draw') . '</li>';
}
echo '</ul>';
}
}
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