PHP code example of tyxla / carbon-breadcrumbs

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

tyxla / carbon-breadcrumbs example snippets

 Carbon_Breadcrumb_Trail::output(); 

	Carbon_Breadcrumb_Trail::output(array(
		'glue' => ' > ', // glue between breadcrumb items
		'link_before' => '',
		'link_after' => '',
		'wrapper_before' => '',
		'wrapper_after' => '',
		'title_before' => '',
		'title_after' => '',
		'min_items' => 2,
		'last_item_link' => true,
		'display_home_item' => true,
		'home_item_title' => __('Home', 'carbon_breadcrumbs'),
		'renderer' => 'Carbon_Breadcrumb_Trail_Renderer',
	));
	

	$trail = new Carbon_Breadcrumb_Trail(array(
		'glue' => ' > ',
		'link_before' => '',
		'link_after' => '',
		'wrapper_before' => '',
		'wrapper_after' => '',
		'title_before' => '',
		'title_after' => '',
		'min_items' => 2,
		'last_item_link' => true,
		'display_home_item' => true,
		'home_item_title' => __('Home', 'carbon_breadcrumbs'),
		'renderer' => 'Carbon_Breadcrumb_Trail_Renderer',
	));
	$trail->setup(); // setup the trail by generating necessary breadcrumb items
	$trail->render(); // display the breadcrumb trail
	

	# A custom breadcrumb trail renderer class
	class Crb_Carbon_Breadcrumb_Trail_Renderer extends Carbon_Breadcrumb_Trail_Renderer {
		// your custom renderer methods & overrides here
	}

	# Modify the default breadcrumb trail renderer class
	function crb_carbon_breadcrumbs_renderer_class($renderer_class) {
		return 'Crb_Carbon_Breadcrumb_Trail_Renderer';
	}

	# Prepend "Blog Post: " to the title of the post items
	add_filter('carbon_breadcrumbs_item_title', 'crb_carbon_breadcrumbs_item_title_post', 10, 2);
	function crb_carbon_breadcrumbs_item_title_post($item_title, $item) {
		if ( is_a($item, 'Carbon_Breadcrumb_Item_Post') && $item->get_subtype() == 'post' ) {
			$item_title = 'Blog Post: ' . $item_title;
		}
		return $item_title;
	}

	# Append "?test=1" to the link of the post items
	add_filter('carbon_breadcrumbs_item_link', 'crb_carbon_breadcrumbs_item_link_post', 10, 2);
	function crb_carbon_breadcrumbs_item_link_post($item_link, $item) {
		if ( is_a($item, 'Carbon_Breadcrumb_Item_Post') && $item->get_subtype() == 'post' ) {
			$item_link = add_query_arg('test', 1, $item_link);
		}
		return $item_link;
	}

	# Add a new custom item by specifying title, link and priority
	add_action('carbon_breadcrumbs_after_setup_trail', 'crb_add_custom_item');
	function crb_add_custom_item($trail) {
		$trail->add_custom_item('Link Title', 'http://example.com/custom/link/', 500);
	}

	# Add a new page item and its ancestry
	add_action('carbon_breadcrumbs_after_setup_trail', 'crb_add_test_page_item');
	function crb_add_test_page_item($trail) {
		$locator = Carbon_Breadcrumb_Locator::factory('post', 'page');
		$priority = 500;
		$page_id = 123;
		$items = $locator->get_items($priority, $page_id);
		if ($items) {
			$trail->add_item($items);
		}
	}

	# Remove the "Electronics" category item
	add_action('carbon_breadcrumbs_after_setup_trail', 'crb_remove_electronics_category_item', 500);
	function crb_remove_electronics_category_item($trail) {
		$trail->remove_item('Electronics', 'http://example.com/category/electronics/');
	}

	# Remove all items with priority 999
	add_action('carbon_breadcrumbs_after_setup_trail', 'crb_remove_items_priority_999', 500);
	function crb_remove_items_priority_999($trail) {
		$trail->remove_item_by_priority(999);
	}

	# Initialize the trail as bulleted list
	$trail = new Carbon_Breadcrumb_Trail(array(
		'glue' => '',
		'link_before' => '<li>',
		'link_after' => '</li>',
		'wrapper_before' => '<ul>',
		'wrapper_after' => '</ul>',
		'title_before' => '',
		'title_after' => '',
		'min_items' => 1,
		'last_item_link' => true,
		'display_home_item' => true,
		'home_item_title' => __('Home', 'carbon_breadcrumbs'),
		'renderer' => 'Carbon_Breadcrumb_Trail_Renderer',
	));

	# Setup the trail by generating necessary breadcrumb items
	$trail->setup();

	# Display the breadcrumb trail
	$trail->render();