1237 lines
40 KiB
PHP
1237 lines
40 KiB
PHP
<?php
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/**
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* Breadcrumb Trail - A breadcrumb menu script for WordPress.
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*
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* Breadcrumb Trail is a script for showing a breadcrumb trail for any type of page. It tries to
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* anticipate any type of structure and display the best possible trail that matches your site's
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* permalink structure. While not perfect, it attempts to fill in the gaps left by many other
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* breadcrumb scripts.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
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* General Public License as published by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* @package BreadcrumbTrail
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* @version 1.1.0
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* @author Justin Tadlock <justin@justintadlock.com>
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* @copyright Copyright (c) 2008 - 2017, Justin Tadlock
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* @link https://themehybrid.com/plugins/breadcrumb-trail
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* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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*/
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/**
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* Shows a breadcrumb for all types of pages. This is a wrapper function for the Breadcrumb_Trail class,
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* which should be used in theme templates.
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*
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* @since 0.1.0
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* @access public
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* @param array $args Arguments to pass to Breadcrumb_Trail.
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* @return void
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*/
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function breadcrumb_trail( $args = array() ) {
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$breadcrumb = apply_filters( 'breadcrumb_trail_object', null, $args );
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if ( ! is_object( $breadcrumb ) )
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$breadcrumb = new Breadcrumb_Trail( $args );
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return $breadcrumb->trail();
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}
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/**
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* Creates a breadcrumbs menu for the site based on the current page that's being viewed by the user.
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*
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* @since 0.6.0
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* @access public
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*/
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class Breadcrumb_Trail {
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/**
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* Array of items belonging to the current breadcrumb trail.
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*
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* @since 0.1.0
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* @access public
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* @var array
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*/
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public $items = array();
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/**
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* Arguments used to build the breadcrumb trail.
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*
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* @since 0.1.0
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* @access public
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* @var array
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*/
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public $args = array();
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/**
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* Array of text labels.
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*
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* @since 1.0.0
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* @access public
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* @var array
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*/
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public $labels = array();
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/**
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* Array of post types (key) and taxonomies (value) to use for single post views.
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*
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* @since 1.0.0
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* @access public
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* @var array
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*/
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public $post_taxonomy = array();
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/* ====== Magic Methods ====== */
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/**
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* Magic method to use in case someone tries to output the layout object as a string.
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* We'll just return the trail HTML.
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*
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* @since 1.0.0
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* @access public
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* @return string
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*/
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public function __toString() {
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return $this->trail();
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}
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/**
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* Sets up the breadcrumb trail properties. Calls the `Breadcrumb_Trail::add_items()` method
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* to creat the array of breadcrumb items.
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*
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* @since 0.6.0
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* @access public
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* @param array $args {
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* @type string $container Container HTML element. nav|div
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* @type string $before String to output before breadcrumb menu.
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* @type string $after String to output after breadcrumb menu.
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* @type string $browse_tag The HTML tag to use to wrap the "Browse" header text.
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* @type string $list_tag The HTML tag to use for the list wrapper.
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* @type string $item_tag The HTML tag to use for the item wrapper.
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* @type bool $show_on_front Whether to show when `is_front_page()`.
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* @type bool $network Whether to link to the network main site (multisite only).
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* @type bool $show_title Whether to show the title (last item) in the trail.
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* @type bool $show_browse Whether to show the breadcrumb menu header.
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* @type array $labels Text labels. @see Breadcrumb_Trail::set_labels()
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* @type array $post_taxonomy Taxonomies to use for post types. @see Breadcrumb_Trail::set_post_taxonomy()
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* @type bool $echo Whether to print or return the breadcrumbs.
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* }
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* @return void
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*/
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public function __construct( $args = array() ) {
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$defaults = array(
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'container' => 'nav',
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'before' => '',
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'after' => '',
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'browse_tag' => 'h2',
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'list_tag' => 'ul',
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'item_tag' => 'li',
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'show_on_front' => true,
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'network' => false,
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'show_title' => true,
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'show_browse' => true,
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'labels' => array(),
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'post_taxonomy' => array(),
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'echo' => true
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);
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// Parse the arguments with the deaults.
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$this->args = apply_filters( 'breadcrumb_trail_args', wp_parse_args( $args, $defaults ) );
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// Set the labels and post taxonomy properties.
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$this->set_labels();
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$this->set_post_taxonomy();
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// Let's find some items to add to the trail!
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$this->add_items();
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}
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/* ====== Public Methods ====== */
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/**
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* Formats the HTML output for the breadcrumb trail.
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*
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* @since 0.6.0
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* @access public
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* @return string
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*/
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public function trail() {
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// Set up variables that we'll need.
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$breadcrumb = '';
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$item_count = count( $this->items );
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$item_position = 0;
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// Connect the breadcrumb trail if there are items in the trail.
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if ( 0 < $item_count ) {
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// Add 'browse' label if it should be shown.
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if ( true === $this->args['show_browse'] ) {
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$breadcrumb .= sprintf(
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'<%1$s class="trail-browse">%2$s</%1$s>',
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tag_escape( $this->args['browse_tag'] ),
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$this->labels['browse']
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);
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}
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// Open the unordered list.
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$breadcrumb .= sprintf(
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'<%s class="trail-items" itemscope itemtype="http://schema.org/BreadcrumbList">',
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tag_escape( $this->args['list_tag'] )
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);
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// Add the number of items and item list order schema.
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$breadcrumb .= sprintf( '<meta name="numberOfItems" content="%d" />', absint( $item_count ) );
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$breadcrumb .= '<meta name="itemListOrder" content="Ascending" />';
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// Loop through the items and add them to the list.
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foreach ( $this->items as $item ) {
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// Iterate the item position.
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++$item_position;
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// Check if the item is linked.
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preg_match( '/(<a.*?>)(.*?)(<\/a>)/i', $item, $matches );
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// Wrap the item text with appropriate itemprop.
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$item = ! empty( $matches ) ? sprintf( '%s<span itemprop="name">%s</span>%s', $matches[1], $matches[2], $matches[3] ) : sprintf( '<span itemprop="name">%s</span>', $item );
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// Wrap the item with its itemprop.
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$item = ! empty( $matches )
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? preg_replace( '/(<a.*?)([\'"])>/i', '$1$2 itemprop=$2item$2>', $item )
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: sprintf( '<span itemprop="name">%s</span>', $item );
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// Add list item classes.
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$item_class = 'trail-item';
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if ( 1 === $item_position && 1 < $item_count )
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$item_class .= ' trail-begin';
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elseif ( $item_count === $item_position )
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$item_class .= ' trail-end';
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// Create list item attributes.
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$attributes = 'itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem" class="' . $item_class . '"';
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// Build the meta position HTML.
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$meta = sprintf( '<meta itemprop="position" content="%s" />', absint( $item_position ) );
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// Build the list item.
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$breadcrumb .= sprintf( '<%1$s %2$s>%3$s%4$s</%1$s>', tag_escape( $this->args['item_tag'] ),$attributes, $item, $meta );
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}
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// Close the unordered list.
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$breadcrumb .= sprintf( '</%s>', tag_escape( $this->args['list_tag'] ) );
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// Wrap the breadcrumb trail.
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$breadcrumb = sprintf(
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'<%1$s role="navigation" aria-label="%2$s" class="breadcrumb-trail breadcrumbs" itemprop="breadcrumb">%3$s%4$s%5$s</%1$s>',
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tag_escape( $this->args['container'] ),
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esc_attr( $this->labels['aria_label'] ),
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$this->args['before'],
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$breadcrumb,
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$this->args['after']
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);
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}
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// Allow developers to filter the breadcrumb trail HTML.
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$breadcrumb = apply_filters( 'breadcrumb_trail', $breadcrumb, $this->args );
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if ( false === $this->args['echo'] )
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return $breadcrumb;
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echo $breadcrumb;
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}
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/* ====== Protected Methods ====== */
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/**
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* Sets the labels property. Parses the inputted labels array with the defaults.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function set_labels() {
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$defaults = array(
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'browse' => esc_html__( 'Browse:', 'sophia-after-dark' ),
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'aria_label' => esc_attr_x( 'Breadcrumbs', 'breadcrumbs aria label', 'sophia-after-dark' ),
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'home' => esc_html__( 'Home', 'sophia-after-dark' ),
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'error_404' => esc_html__( '404 Not Found', 'sophia-after-dark' ),
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'archives' => esc_html__( 'Archives', 'sophia-after-dark' ),
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// Translators: %s is the search query.
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'search' => esc_html__( 'Search results for: %s', 'sophia-after-dark' ),
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// Translators: %s is the page number.
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'paged' => esc_html__( 'Page %s', 'sophia-after-dark' ),
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// Translators: %s is the page number.
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'paged_comments' => esc_html__( 'Comment Page %s', 'sophia-after-dark' ),
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// Translators: Minute archive title. %s is the minute time format.
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'archive_minute' => esc_html__( 'Minute %s', 'sophia-after-dark' ),
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// Translators: Weekly archive title. %s is the week date format.
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'archive_week' => esc_html__( 'Week %s', 'sophia-after-dark' ),
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// "%s" is replaced with the translated date/time format.
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'archive_minute_hour' => '%s',
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'archive_hour' => '%s',
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'archive_day' => '%s',
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'archive_month' => '%s',
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'archive_year' => '%s',
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);
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$this->labels = apply_filters( 'breadcrumb_trail_labels', wp_parse_args( $this->args['labels'], $defaults ) );
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}
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/**
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* Sets the `$post_taxonomy` property. This is an array of post types (key) and taxonomies (value).
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* The taxonomy's terms are shown on the singular post view if set.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function set_post_taxonomy() {
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$defaults = array();
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// If post permalink is set to `%postname%`, use the `category` taxonomy.
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if ( '%postname%' === trim( get_option( 'permalink_structure' ), '/' ) )
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$defaults['post'] = 'category';
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$this->post_taxonomy = apply_filters( 'breadcrumb_trail_post_taxonomy', wp_parse_args( $this->args['post_taxonomy'], $defaults ) );
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}
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/**
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* Runs through the various WordPress conditional tags to check the current page being viewed. Once
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* a condition is met, a specific method is launched to add items to the `$items` array.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_items() {
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// If viewing the front page.
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if ( is_front_page() ) {
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$this->add_front_page_items();
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}
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// If not viewing the front page.
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else {
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// Add the network and site home links.
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$this->add_network_home_link();
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$this->add_site_home_link();
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// If viewing the home/blog page.
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if ( is_home() ) {
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$this->add_blog_items();
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}
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// If viewing a single post.
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elseif ( is_singular() ) {
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$this->add_singular_items();
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}
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// If viewing an archive page.
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elseif ( is_archive() ) {
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if ( is_post_type_archive() )
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$this->add_post_type_archive_items();
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elseif ( is_category() || is_tag() || is_tax() )
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$this->add_term_archive_items();
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elseif ( is_author() )
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$this->add_user_archive_items();
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elseif ( get_query_var( 'minute' ) && get_query_var( 'hour' ) )
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$this->add_minute_hour_archive_items();
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elseif ( get_query_var( 'minute' ) )
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$this->add_minute_archive_items();
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elseif ( get_query_var( 'hour' ) )
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$this->add_hour_archive_items();
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elseif ( is_day() )
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$this->add_day_archive_items();
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elseif ( get_query_var( 'w' ) )
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$this->add_week_archive_items();
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elseif ( is_month() )
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$this->add_month_archive_items();
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elseif ( is_year() )
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$this->add_year_archive_items();
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else
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$this->add_default_archive_items();
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}
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// If viewing a search results page.
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elseif ( is_search() ) {
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$this->add_search_items();
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}
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// If viewing the 404 page.
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elseif ( is_404() ) {
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$this->add_404_items();
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}
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}
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// Add paged items if they exist.
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$this->add_paged_items();
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// Allow developers to overwrite the items for the breadcrumb trail.
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$this->items = array_unique( apply_filters( 'breadcrumb_trail_items', $this->items, $this->args ) );
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}
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/**
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* Gets front items based on $wp_rewrite->front.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_rewrite_front_items() {
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global $wp_rewrite;
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if ( $wp_rewrite->front )
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$this->add_path_parents( $wp_rewrite->front );
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}
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/**
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* Adds the page/paged number to the items array.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_paged_items() {
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// If viewing a paged singular post.
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if ( is_singular() && 1 < get_query_var( 'page' ) && true === $this->args['show_title'] )
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$this->items[] = sprintf( $this->labels['paged'], number_format_i18n( absint( get_query_var( 'page' ) ) ) );
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// If viewing a singular post with paged comments.
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elseif ( is_singular() && get_option( 'page_comments' ) && 1 < get_query_var( 'cpage' ) )
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$this->items[] = sprintf( $this->labels['paged_comments'], number_format_i18n( absint( get_query_var( 'cpage' ) ) ) );
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// If viewing a paged archive-type page.
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elseif ( is_paged() && true === $this->args['show_title'] )
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$this->items[] = sprintf( $this->labels['paged'], number_format_i18n( absint( get_query_var( 'paged' ) ) ) );
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}
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/**
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* Adds the network (all sites) home page link to the items array.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_network_home_link() {
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if ( is_multisite() && ! is_main_site() && true === $this->args['network'] )
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$this->items[] = sprintf( '<a href="%s" rel="home">%s</a>', esc_url( network_home_url() ), $this->labels['home'] );
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}
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/**
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* Adds the current site's home page link to the items array.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_site_home_link() {
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$network = is_multisite() && ! is_main_site() && true === $this->args['network'];
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$label = $network ? get_bloginfo( 'name' ) : $this->labels['home'];
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$rel = $network ? '' : ' rel="home"';
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$this->items[] = sprintf( '<a href="%s"%s>%s</a>', esc_url( user_trailingslashit( home_url() ) ), $rel, $label );
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}
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/**
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* Adds items for the front page to the items array.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_front_page_items() {
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// Only show front items if the 'show_on_front' argument is set to 'true'.
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if ( true === $this->args['show_on_front'] || is_paged() || ( is_singular() && 1 < get_query_var( 'page' ) ) ) {
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// Add network home link.
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$this->add_network_home_link();
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// If on a paged view, add the site home link.
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if ( is_paged() )
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$this->add_site_home_link();
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// If on the main front page, add the network home title.
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elseif ( true === $this->args['show_title'] )
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$this->items[] = is_multisite() && true === $this->args['network'] ? get_bloginfo( 'name' ) : $this->labels['home'];
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}
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}
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/**
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* Adds items for the posts page (i.e., is_home()) to the items array.
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*
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* @since 1.0.0
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* @access protected
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* @return void
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*/
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protected function add_blog_items() {
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// Get the post ID and post.
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|
$post_id = get_queried_object_id();
|
|
$post = get_post( $post_id );
|
|
|
|
// If the post has parents, add them to the trail.
|
|
if ( 0 < $post->post_parent )
|
|
$this->add_post_parents( $post->post_parent );
|
|
|
|
// Get the page title.
|
|
$title = get_the_title( $post_id );
|
|
|
|
// Add the posts page item.
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_permalink( $post_id ) ), $title );
|
|
|
|
elseif ( $title && true === $this->args['show_title'] )
|
|
$this->items[] = $title;
|
|
}
|
|
|
|
/**
|
|
* Adds singular post items to the items array.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_singular_items() {
|
|
|
|
// Get the queried post.
|
|
$post = get_queried_object();
|
|
$post_id = get_queried_object_id();
|
|
|
|
// If the post has a parent, follow the parent trail.
|
|
if ( 0 < $post->post_parent )
|
|
$this->add_post_parents( $post->post_parent );
|
|
|
|
// If the post doesn't have a parent, get its hierarchy based off the post type.
|
|
else
|
|
$this->add_post_hierarchy( $post_id );
|
|
|
|
// Display terms for specific post type taxonomy if requested.
|
|
if ( ! empty( $this->post_taxonomy[ $post->post_type ] ) )
|
|
$this->add_post_terms( $post_id, $this->post_taxonomy[ $post->post_type ] );
|
|
|
|
// End with the post title.
|
|
if ( $post_title = single_post_title( '', false ) ) {
|
|
|
|
if ( ( 1 < get_query_var( 'page' ) || is_paged() ) || ( get_option( 'page_comments' ) && 1 < absint( get_query_var( 'cpage' ) ) ) )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_permalink( $post_id ) ), $post_title );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = $post_title;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for taxonomy term archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @global object $wp_rewrite
|
|
* @return void
|
|
*/
|
|
protected function add_term_archive_items() {
|
|
global $wp_rewrite;
|
|
|
|
// Get some taxonomy and term variables.
|
|
$term = get_queried_object();
|
|
$taxonomy = get_taxonomy( $term->taxonomy );
|
|
$done_post_type = false;
|
|
|
|
// If there are rewrite rules for the taxonomy.
|
|
if ( false !== $taxonomy->rewrite ) {
|
|
|
|
// If 'with_front' is true, dd $wp_rewrite->front to the trail.
|
|
if ( $taxonomy->rewrite['with_front'] && $wp_rewrite->front )
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Get parent pages by path if they exist.
|
|
$this->add_path_parents( $taxonomy->rewrite['slug'] );
|
|
|
|
// Add post type archive if its 'has_archive' matches the taxonomy rewrite 'slug'.
|
|
if ( $taxonomy->rewrite['slug'] ) {
|
|
|
|
$slug = trim( $taxonomy->rewrite['slug'], '/' );
|
|
|
|
// Deals with the situation if the slug has a '/' between multiple
|
|
// strings. For example, "movies/genres" where "movies" is the post
|
|
// type archive.
|
|
$matches = explode( '/', $slug );
|
|
|
|
// If matches are found for the path.
|
|
if ( isset( $matches ) ) {
|
|
|
|
// Reverse the array of matches to search for posts in the proper order.
|
|
$matches = array_reverse( $matches );
|
|
|
|
// Loop through each of the path matches.
|
|
foreach ( $matches as $match ) {
|
|
|
|
// If a match is found.
|
|
$slug = $match;
|
|
|
|
// Get public post types that match the rewrite slug.
|
|
$post_types = $this->get_post_types_by_slug( $match );
|
|
|
|
if ( ! empty( $post_types ) ) {
|
|
|
|
$post_type_object = $post_types[0];
|
|
|
|
// Add support for a non-standard label of 'archive_title' (special use case).
|
|
$label = ! empty( $post_type_object->labels->archive_title ) ? $post_type_object->labels->archive_title : $post_type_object->labels->name;
|
|
|
|
// Core filter hook.
|
|
$label = apply_filters( 'post_type_archive_title', $label, $post_type_object->name );
|
|
|
|
// Add the post type archive link to the trail.
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_post_type_archive_link( $post_type_object->name ) ), $label );
|
|
|
|
$done_post_type = true;
|
|
|
|
// Break out of the loop.
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If there's a single post type for the taxonomy, use it.
|
|
if ( false === $done_post_type && 1 === count( $taxonomy->object_type ) && post_type_exists( $taxonomy->object_type[0] ) ) {
|
|
|
|
// If the post type is 'post'.
|
|
if ( 'post' === $taxonomy->object_type[0] ) {
|
|
$post_id = get_option( 'page_for_posts' );
|
|
|
|
if ( 'posts' !== get_option( 'show_on_front' ) && 0 < $post_id )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_permalink( $post_id ) ), get_the_title( $post_id ) );
|
|
|
|
// If the post type is not 'post'.
|
|
} else {
|
|
$post_type_object = get_post_type_object( $taxonomy->object_type[0] );
|
|
|
|
$label = ! empty( $post_type_object->labels->archive_title ) ? $post_type_object->labels->archive_title : $post_type_object->labels->name;
|
|
|
|
// Core filter hook.
|
|
$label = apply_filters( 'post_type_archive_title', $label, $post_type_object->name );
|
|
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_post_type_archive_link( $post_type_object->name ) ), $label );
|
|
}
|
|
}
|
|
|
|
// If the taxonomy is hierarchical, list its parent terms.
|
|
if ( is_taxonomy_hierarchical( $term->taxonomy ) && $term->parent )
|
|
$this->add_term_parents( $term->parent, $term->taxonomy );
|
|
|
|
// Add the term name to the trail end.
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_term_link( $term, $term->taxonomy ) ), single_term_title( '', false ) );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = single_term_title( '', false );
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for post type archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_post_type_archive_items() {
|
|
|
|
// Get the post type object.
|
|
$post_type_object = get_post_type_object( get_query_var( 'post_type' ) );
|
|
|
|
if ( false !== $post_type_object->rewrite ) {
|
|
|
|
// If 'with_front' is true, add $wp_rewrite->front to the trail.
|
|
if ( $post_type_object->rewrite['with_front'] )
|
|
$this->add_rewrite_front_items();
|
|
|
|
// If there's a rewrite slug, check for parents.
|
|
if ( ! empty( $post_type_object->rewrite['slug'] ) )
|
|
$this->add_path_parents( $post_type_object->rewrite['slug'] );
|
|
}
|
|
|
|
// Add the post type [plural] name to the trail end.
|
|
if ( is_paged() || is_author() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_post_type_archive_link( $post_type_object->name ) ), post_type_archive_title( '', false ) );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = post_type_archive_title( '', false );
|
|
|
|
// If viewing a post type archive by author.
|
|
if ( is_author() )
|
|
$this->add_user_archive_items();
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for user (author) archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @global object $wp_rewrite
|
|
* @return void
|
|
*/
|
|
protected function add_user_archive_items() {
|
|
global $wp_rewrite;
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Get the user ID.
|
|
$user_id = get_query_var( 'author' );
|
|
|
|
// If $author_base exists, check for parent pages.
|
|
if ( ! empty( $wp_rewrite->author_base ) && ! is_post_type_archive() )
|
|
$this->add_path_parents( $wp_rewrite->author_base );
|
|
|
|
// Add the author's display name to the trail end.
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_author_posts_url( $user_id ) ), get_the_author_meta( 'display_name', $user_id ) );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = get_the_author_meta( 'display_name', $user_id );
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for minute + hour archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_minute_hour_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Add the minute + hour item.
|
|
if ( true === $this->args['show_title'] )
|
|
$this->items[] = sprintf( $this->labels['archive_minute_hour'], get_the_time( esc_html_x( 'g:i a', 'minute and hour archives time format', 'sophia-after-dark' ) ) );
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for minute archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_minute_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Add the minute item.
|
|
if ( true === $this->args['show_title'] )
|
|
$this->items[] = sprintf( $this->labels['archive_minute'], get_the_time( esc_html_x( 'i', 'minute archives time format', 'sophia-after-dark' ) ) );
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for hour archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_hour_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Add the hour item.
|
|
if ( true === $this->args['show_title'] )
|
|
$this->items[] = sprintf( $this->labels['archive_hour'], get_the_time( esc_html_x( 'g a', 'hour archives time format', 'sophia-after-dark' ) ) );
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for day archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_day_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Get year, month, and day.
|
|
$year = sprintf( $this->labels['archive_year'], get_the_time( esc_html_x( 'Y', 'yearly archives date format', 'sophia-after-dark' ) ) );
|
|
$month = sprintf( $this->labels['archive_month'], get_the_time( esc_html_x( 'F', 'monthly archives date format', 'sophia-after-dark' ) ) );
|
|
$day = sprintf( $this->labels['archive_day'], get_the_time( esc_html_x( 'j', 'daily archives date format', 'sophia-after-dark' ) ) );
|
|
|
|
// Add the year and month items.
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_year_link( get_the_time( 'Y' ) ) ), $year );
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) ), $month );
|
|
|
|
// Add the day item.
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_day_link( get_the_time( 'Y' ) ), get_the_time( 'm' ), get_the_time( 'd' ) ), $day );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = $day;
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for week archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_week_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Get the year and week.
|
|
$year = sprintf( $this->labels['archive_year'], get_the_time( esc_html_x( 'Y', 'yearly archives date format', 'sophia-after-dark' ) ) );
|
|
$week = sprintf( $this->labels['archive_week'], get_the_time( esc_html_x( 'W', 'weekly archives date format', 'sophia-after-dark' ) ) );
|
|
|
|
// Add the year item.
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_year_link( get_the_time( 'Y' ) ) ), $year );
|
|
|
|
// Add the week item.
|
|
if ( is_paged() )
|
|
$this->items[] = esc_url( get_archives_link( add_query_arg( array( 'm' => get_the_time( 'Y' ), 'w' => get_the_time( 'W' ) ), home_url() ), $week, false ) );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = $week;
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for month archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_month_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Get the year and month.
|
|
$year = sprintf( $this->labels['archive_year'], get_the_time( esc_html_x( 'Y', 'yearly archives date format', 'sophia-after-dark' ) ) );
|
|
$month = sprintf( $this->labels['archive_month'], get_the_time( esc_html_x( 'F', 'monthly archives date format', 'sophia-after-dark' ) ) );
|
|
|
|
// Add the year item.
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_year_link( get_the_time( 'Y' ) ) ), $year );
|
|
|
|
// Add the month item.
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) ), $month );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = $month;
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for year archives.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_year_archive_items() {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Get the year.
|
|
$year = sprintf( $this->labels['archive_year'], get_the_time( esc_html_x( 'Y', 'yearly archives date format', 'sophia-after-dark' ) ) );
|
|
|
|
// Add the year item.
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_year_link( get_the_time( 'Y' ) ) ), $year );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = $year;
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for archives that don't have a more specific method
|
|
* defined in this class.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_default_archive_items() {
|
|
|
|
// If this is a date-/time-based archive, add $wp_rewrite->front to the trail.
|
|
if ( is_date() || is_time() )
|
|
$this->add_rewrite_front_items();
|
|
|
|
if ( true === $this->args['show_title'] )
|
|
$this->items[] = $this->labels['archives'];
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for search results.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_search_items() {
|
|
|
|
if ( is_paged() )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_search_link() ), sprintf( $this->labels['search'], get_search_query() ) );
|
|
|
|
elseif ( true === $this->args['show_title'] )
|
|
$this->items[] = sprintf( $this->labels['search'], get_search_query() );
|
|
}
|
|
|
|
/**
|
|
* Adds the items to the trail items array for 404 pages.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @return void
|
|
*/
|
|
protected function add_404_items() {
|
|
|
|
if ( true === $this->args['show_title'] )
|
|
$this->items[] = $this->labels['error_404'];
|
|
}
|
|
|
|
/**
|
|
* Adds a specific post's parents to the items array.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @param int $post_id
|
|
* @return void
|
|
*/
|
|
protected function add_post_parents( $post_id ) {
|
|
$parents = array();
|
|
|
|
while ( $post_id ) {
|
|
|
|
// Get the post by ID.
|
|
$post = get_post( $post_id );
|
|
|
|
// If we hit a page that's set as the front page, bail.
|
|
if ( 'page' == $post->post_type && 'page' == get_option( 'show_on_front' ) && $post_id == get_option( 'page_on_front' ) )
|
|
break;
|
|
|
|
// Add the formatted post link to the array of parents.
|
|
$parents[] = sprintf( '<a href="%s">%s</a>', esc_url( get_permalink( $post_id ) ), get_the_title( $post_id ) );
|
|
|
|
// If there's no longer a post parent, break out of the loop.
|
|
if ( 0 >= $post->post_parent )
|
|
break;
|
|
|
|
// Change the post ID to the parent post to continue looping.
|
|
$post_id = $post->post_parent;
|
|
}
|
|
|
|
// Get the post hierarchy based off the final parent post.
|
|
$this->add_post_hierarchy( $post_id );
|
|
|
|
// Display terms for specific post type taxonomy if requested.
|
|
if ( ! empty( $this->post_taxonomy[ $post->post_type ] ) )
|
|
$this->add_post_terms( $post_id, $this->post_taxonomy[ $post->post_type ] );
|
|
|
|
// Merge the parent items into the items array.
|
|
$this->items = array_merge( $this->items, array_reverse( $parents ) );
|
|
}
|
|
|
|
/**
|
|
* Adds a specific post's hierarchy to the items array. The hierarchy is determined by post type's
|
|
* rewrite arguments and whether it has an archive page.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @param int $post_id
|
|
* @return void
|
|
*/
|
|
protected function add_post_hierarchy( $post_id ) {
|
|
|
|
// Get the post type.
|
|
$post_type = get_post_type( $post_id );
|
|
$post_type_object = get_post_type_object( $post_type );
|
|
|
|
// If this is the 'post' post type, get the rewrite front items and map the rewrite tags.
|
|
if ( 'post' === $post_type ) {
|
|
|
|
// Add $wp_rewrite->front to the trail.
|
|
$this->add_rewrite_front_items();
|
|
|
|
// Map the rewrite tags.
|
|
$this->map_rewrite_tags( $post_id, get_option( 'permalink_structure' ) );
|
|
}
|
|
|
|
// If the post type has rewrite rules.
|
|
elseif ( false !== $post_type_object->rewrite ) {
|
|
|
|
// If 'with_front' is true, add $wp_rewrite->front to the trail.
|
|
if ( $post_type_object->rewrite['with_front'] )
|
|
$this->add_rewrite_front_items();
|
|
|
|
// If there's a path, check for parents.
|
|
if ( ! empty( $post_type_object->rewrite['slug'] ) )
|
|
$this->add_path_parents( $post_type_object->rewrite['slug'] );
|
|
}
|
|
|
|
// If there's an archive page, add it to the trail.
|
|
if ( $post_type_object->has_archive ) {
|
|
|
|
// Add support for a non-standard label of 'archive_title' (special use case).
|
|
$label = ! empty( $post_type_object->labels->archive_title ) ? $post_type_object->labels->archive_title : $post_type_object->labels->name;
|
|
|
|
// Core filter hook.
|
|
$label = apply_filters( 'post_type_archive_title', $label, $post_type_object->name );
|
|
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_post_type_archive_link( $post_type ) ), $label );
|
|
}
|
|
|
|
// Map the rewrite tags if there's a `%` in the slug.
|
|
if ( 'post' !== $post_type && ! empty( $post_type_object->rewrite['slug'] ) && false !== strpos( $post_type_object->rewrite['slug'], '%' ) )
|
|
$this->map_rewrite_tags( $post_id, $post_type_object->rewrite['slug'] );
|
|
}
|
|
|
|
/**
|
|
* Gets post types by slug. This is needed because the get_post_types() function doesn't exactly
|
|
* match the 'has_archive' argument when it's set as a string instead of a boolean.
|
|
*
|
|
* @since 0.6.0
|
|
* @access protected
|
|
* @param int $slug The post type archive slug to search for.
|
|
* @return void
|
|
*/
|
|
protected function get_post_types_by_slug( $slug ) {
|
|
|
|
$return = array();
|
|
|
|
$post_types = get_post_types( array(), 'objects' );
|
|
|
|
foreach ( $post_types as $type ) {
|
|
|
|
if ( $slug === $type->has_archive || ( true === $type->has_archive && $slug === $type->rewrite['slug'] ) )
|
|
$return[] = $type;
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Adds a post's terms from a specific taxonomy to the items array.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @param int $post_id The ID of the post to get the terms for.
|
|
* @param string $taxonomy The taxonomy to get the terms from.
|
|
* @return void
|
|
*/
|
|
protected function add_post_terms( $post_id, $taxonomy ) {
|
|
|
|
// Get the post type.
|
|
$post_type = get_post_type( $post_id );
|
|
|
|
// Get the post categories.
|
|
$terms = get_the_terms( $post_id, $taxonomy );
|
|
|
|
// Check that categories were returned.
|
|
if ( $terms && ! is_wp_error( $terms ) ) {
|
|
|
|
// Sort the terms by ID and get the first category.
|
|
if ( function_exists( 'wp_list_sort' ) )
|
|
$terms = wp_list_sort( $terms, 'term_id' );
|
|
|
|
else
|
|
usort( $terms, '_usort_terms_by_ID' );
|
|
|
|
$term = get_term( $terms[0], $taxonomy );
|
|
|
|
// If the category has a parent, add the hierarchy to the trail.
|
|
if ( 0 < $term->parent )
|
|
$this->add_term_parents( $term->parent, $taxonomy );
|
|
|
|
// Add the category archive link to the trail.
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_term_link( $term, $taxonomy ) ), $term->name );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get parent posts by path. Currently, this method only supports getting parents of the 'page'
|
|
* post type. The goal of this function is to create a clear path back to home given what would
|
|
* normally be a "ghost" directory. If any page matches the given path, it'll be added.
|
|
*
|
|
* @since 1.0.0
|
|
* @access protected
|
|
* @param string $path The path (slug) to search for posts by.
|
|
* @return void
|
|
*/
|
|
function add_path_parents( $path ) {
|
|
|
|
// Trim '/' off $path in case we just got a simple '/' instead of a real path.
|
|
$path = trim( $path, '/' );
|
|
|
|
// If there's no path, return.
|
|
if ( empty( $path ) )
|
|
return;
|
|
|
|
// Get parent post by the path.
|
|
$post = get_page_by_path( $path );
|
|
|
|
if ( ! empty( $post ) ) {
|
|
$this->add_post_parents( $post->ID );
|
|
}
|
|
|
|
elseif ( is_null( $post ) ) {
|
|
|
|
// Separate post names into separate paths by '/'.
|
|
$path = trim( $path, '/' );
|
|
preg_match_all( "/\/.*?\z/", $path, $matches );
|
|
|
|
// If matches are found for the path.
|
|
if ( isset( $matches ) ) {
|
|
|
|
// Reverse the array of matches to search for posts in the proper order.
|
|
$matches = array_reverse( $matches );
|
|
|
|
// Loop through each of the path matches.
|
|
foreach ( $matches as $match ) {
|
|
|
|
// If a match is found.
|
|
if ( isset( $match[0] ) ) {
|
|
|
|
// Get the parent post by the given path.
|
|
$path = str_replace( $match[0], '', $path );
|
|
$post = get_page_by_path( trim( $path, '/' ) );
|
|
|
|
// If a parent post is found, set the $post_id and break out of the loop.
|
|
if ( ! empty( $post ) && 0 < $post->ID ) {
|
|
$this->add_post_parents( $post->ID );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Searches for term parents of hierarchical taxonomies. This function is similar to the WordPress
|
|
* function get_category_parents() but handles any type of taxonomy.
|
|
*
|
|
* @since 1.0.0
|
|
* @param int $term_id ID of the term to get the parents of.
|
|
* @param string $taxonomy Name of the taxonomy for the given term.
|
|
* @return void
|
|
*/
|
|
function add_term_parents( $term_id, $taxonomy ) {
|
|
|
|
// Set up some default arrays.
|
|
$parents = array();
|
|
|
|
// While there is a parent ID, add the parent term link to the $parents array.
|
|
while ( $term_id ) {
|
|
|
|
// Get the parent term.
|
|
$term = get_term( $term_id, $taxonomy );
|
|
|
|
// Add the formatted term link to the array of parent terms.
|
|
$parents[] = sprintf( '<a href="%s">%s</a>', esc_url( get_term_link( $term, $taxonomy ) ), $term->name );
|
|
|
|
// Set the parent term's parent as the parent ID.
|
|
$term_id = $term->parent;
|
|
}
|
|
|
|
// If we have parent terms, reverse the array to put them in the proper order for the trail.
|
|
if ( ! empty( $parents ) )
|
|
$this->items = array_merge( $this->items, array_reverse( $parents ) );
|
|
}
|
|
|
|
/**
|
|
* Turns %tag% from permalink structures into usable links for the breadcrumb trail. This feels kind of
|
|
* hackish for now because we're checking for specific %tag% examples and only doing it for the 'post'
|
|
* post type. In the future, maybe it'll handle a wider variety of possibilities, especially for custom post
|
|
* types.
|
|
*
|
|
* @since 0.6.0
|
|
* @access protected
|
|
* @param int $post_id ID of the post whose parents we want.
|
|
* @param string $path Path of a potential parent page.
|
|
* @param array $args Mixed arguments for the menu.
|
|
* @return array
|
|
*/
|
|
protected function map_rewrite_tags( $post_id, $path ) {
|
|
|
|
$post = get_post( $post_id );
|
|
|
|
// Trim '/' from both sides of the $path.
|
|
$path = trim( $path, '/' );
|
|
|
|
// Split the $path into an array of strings.
|
|
$matches = explode( '/', $path );
|
|
|
|
// If matches are found for the path.
|
|
if ( is_array( $matches ) ) {
|
|
|
|
// Loop through each of the matches, adding each to the $trail array.
|
|
foreach ( $matches as $match ) {
|
|
|
|
// Trim any '/' from the $match.
|
|
$tag = trim( $match, '/' );
|
|
|
|
// If using the %year% tag, add a link to the yearly archive.
|
|
if ( '%year%' == $tag )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_year_link( get_the_time( 'Y', $post_id ) ) ), sprintf( $this->labels['archive_year'], get_the_time( esc_html_x( 'Y', 'yearly archives date format', 'sophia-after-dark' ) ) ) );
|
|
|
|
// If using the %monthnum% tag, add a link to the monthly archive.
|
|
elseif ( '%monthnum%' == $tag )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_month_link( get_the_time( 'Y', $post_id ), get_the_time( 'm', $post_id ) ) ), sprintf( $this->labels['archive_month'], get_the_time( esc_html_x( 'F', 'monthly archives date format', 'sophia-after-dark' ) ) ) );
|
|
|
|
// If using the %day% tag, add a link to the daily archive.
|
|
elseif ( '%day%' == $tag )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_day_link( get_the_time( 'Y', $post_id ), get_the_time( 'm', $post_id ), get_the_time( 'd', $post_id ) ) ), sprintf( $this->labels['archive_day'], get_the_time( esc_html_x( 'j', 'daily archives date format', 'sophia-after-dark' ) ) ) );
|
|
|
|
// If using the %author% tag, add a link to the post author archive.
|
|
elseif ( '%author%' == $tag )
|
|
$this->items[] = sprintf( '<a href="%s">%s</a>', esc_url( get_author_posts_url( $post->post_author ) ), get_the_author_meta( 'display_name', $post->post_author ) );
|
|
|
|
// If using the %category% tag, add a link to the first category archive to match permalinks.
|
|
elseif ( taxonomy_exists( trim( $tag, '%' ) ) ) {
|
|
|
|
// Force override terms in this post type.
|
|
$this->post_taxonomy[ $post->post_type ] = false;
|
|
|
|
// Add the post categories.
|
|
$this->add_post_terms( $post_id, trim( $tag, '%' ) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} |