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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /var/www/web23/html/wp-content/themes/enfold/framework/php/ |
| Current File : //var/www/web23/html/wp-content/themes/enfold/framework/php/class-breadcrumb-trail.php |
<?php
/**
* Encapsulate breadcrumb functions in class
*
* @since 4.8.2
*/
if( ! defined( 'ABSPATH' ) ) { exit; } // Exit if accessed directly
if( ! class_exists( 'avia_breadcrumb_trail' ) )
{
class avia_breadcrumb_trail
{
/**
*
* @since 4.8.2
* @var avia_breadcrumb_trail
*/
static protected $_instance = null;
/**
* Return the instance of this class
*
* @since 4.8.2
* @return avia_breadcrumb_trail
*/
static public function instance()
{
if( is_null( avia_breadcrumb_trail::$_instance ) )
{
avia_breadcrumb_trail::$_instance = new avia_breadcrumb_trail();
}
return avia_breadcrumb_trail::$_instance;
}
/**
* Custom breadcrumb generator function
* ====================================
* The code below is an inspired/modified version by woothemes breadcrumb function which in turn is inspired by Justin Tadlock's Hybrid Core :)
*
* Arguments Array:
* ================
*
* 'separator' - The character to display between the breadcrumbs.
* 'before' - HTML to display before the breadcrumbs.
* 'after' - HTML to display after the breadcrumbs.
* 'front_page' - Include the front page at the beginning of the breadcrumbs.
* 'show_home' - If $show_home is set and we're not on the front page of the site, link to the home page.
* 'echo' - Specify whether or not to echo the breadcrumbs. Alternative is 'return'.
* 'show_posts_page' - If a static front page is set and there is a posts page, toggle whether or not to display that page's tree.
*
* @param array $args
* @return string
*/
public function get_trail( $args = array() )
{
global $wp_query, $wp_rewrite;
/**
* Allow to shortcut breadcrumb trail. Return anything then false to shortcut.
*
* @since 4.8
* @param boolean $value
* @param array $args
* @return string|false
*/
$breadcrumb_external = apply_filters( 'avf_breadcrumbs_external', false, $args );
if( false !== $breadcrumb_external )
{
return $breadcrumb_external;
}
/* Create an empty variable for the breadcrumb. */
$breadcrumb = '';
/* Create an empty array for the trail. */
$trail = array();
$path = '';
/* Set up the default arguments for the breadcrumb. */
$defaults = array(
'separator' => '»',
'before' => '<span class="breadcrumb-title">' . __( 'You are here:', 'avia_framework' ) . '</span>',
'after' => false,
'front_page' => true,
'show_home' => __( 'Home', 'avia_framework' ),
'echo' => false,
'show_categories' => true,
'show_posts_page' => true,
'truncate' => 70,
'richsnippet' => false
);
/* Allow singular post views to have a taxonomy's terms prefixing the trail. */
if( is_singular() )
{
$defaults[ "singular_{$wp_query->post->post_type}_taxonomy" ] = false;
}
/* Apply filters to the arguments. */
$args = apply_filters( 'avia_breadcrumbs_args', $args );
/* Parse the arguments and extract them for easy variable naming. */
extract( wp_parse_args( $args, $defaults ) );
/* If $show_home is set and we're not on the front page of the site, link to the home page. */
if( ! is_front_page() && $show_home )
{
$trail[] = '<a href="' . home_url() . '" title="' . esc_attr( get_bloginfo( 'name' ) ) . '" rel="home" class="trail-begin">' . $show_home . '</a>';
}
/* If viewing the front page of the site. */
if( is_front_page() )
{
if( ! $front_page )
{
$trail = false;
}
else if( $show_home )
{
$trail['trail_end'] = "{$show_home}";
}
}
/* If viewing the "home"/posts page. */
else if( is_home() )
{
$home_page = get_post( $wp_query->get_queried_object_id() );
$trail = array_merge( $trail, $this->get_parents( $home_page->post_parent, '' ) );
$trail['trail_end'] = get_the_title( $home_page->ID );
}
/* If viewing a singular post (page, attachment, etc.). */
else if( is_singular() )
{
/* Get singular post variables needed. */
$post = $wp_query->get_queried_object();
$post_id = absint( $wp_query->get_queried_object_id() );
$post_type = $post->post_type;
$parent = $post->post_parent;
/* If a custom post type, check if there are any pages in its hierarchy based on the slug. */
if( 'page' !== $post_type && 'post' !== $post_type )
{
$post_type_object = get_post_type_object( $post_type );
/* If $front has been set, add it to the $path. */
if( 'post' == $post_type || 'attachment' == $post_type || ( is_array( $post_type_object->rewrite ) && isset( $post_type_object->rewrite['with_front'] ) && $post_type_object->rewrite['with_front'] && $wp_rewrite->front ) )
{
$path .= trailingslashit( $wp_rewrite->front );
}
/* If there's a slug, add it to the $path. */
if( ! empty( $post_type_object->rewrite['slug'] ) )
{
$path .= $post_type_object->rewrite['slug'];
}
/* If there's a path, check for parents. */
if( ! empty( $path ) )
{
$trail = array_merge( $trail, $this->get_parents( '', $path ) );
}
/* If there's an archive page, add it to the trail. */
if( ! empty( $post_type_object->has_archive ) && function_exists( 'get_post_type_archive_link' ) )
{
$trail[] = '<a href="' . get_post_type_archive_link( $post_type ) . '" title="' . esc_attr( $post_type_object->labels->name ) . '">' . $post_type_object->labels->name . '</a>';
}
}
/* try to build a generic taxonomy trail no matter the post type and taxonomy and terms
$currentTax = '';
foreach( get_taxonomies() as $tax )
{
$terms = get_the_term_list( $post_id, $tax, '', '$$$', '' );
echo '<pre>';
print_r( $tax.$terms );
echo '</pre>';
}
*/
/* If the post type path returns nothing and there is a parent, get its parents. */
if( empty( $path ) && 0 !== $parent || 'attachment' == $post_type )
{
$trail = array_merge( $trail, $this->get_parents( $parent, '' ) );
}
/* Toggle the display of the posts page on single blog posts. */
if( 'post' == $post_type && $show_posts_page == true && 'page' == get_option( 'show_on_front' ) )
{
$posts_page = get_option( 'page_for_posts' );
if( $posts_page != '' && is_numeric( $posts_page ) )
{
$trail = array_merge( $trail, $this->get_parents( $posts_page, '' ) );
}
}
if( 'post' == $post_type && $show_categories )
{
$category = get_the_category();
foreach( $category as $cat )
{
if( ! empty( $cat->parent ) )
{
$parents = get_category_parents( $cat->cat_ID, true, '$$$', false );
$parents = explode( '$$$', $parents );
foreach( $parents as $parent_item )
{
if( $parent_item )
{
$trail[] = $parent_item;
}
}
break;
}
}
if( isset( $category[0] ) && empty( $parents ) )
{
$trail[] = '<a href="' . get_category_link( $category[0]->term_id ) . '">' . $category[0]->cat_name . '</a>';
}
}
if( $post_type == 'portfolio' )
{
$parents = get_the_term_list( $post_id, 'portfolio_entries', '', '$$$', '' );
$parents = explode( '$$$', $parents );
foreach( $parents as $parent_item )
{
if( $parent_item )
{
$trail[] = $parent_item;
}
}
}
/* Display terms for specific post type taxonomy if requested. */
if( isset( $args["singular_{$post_type}_taxonomy"] ) && $terms = get_the_term_list( $post_id, $args["singular_{$post_type}_taxonomy"], '', ', ', '' ) )
{
$trail[] = $terms;
}
/* End with the post title. */
$post_title = get_the_title( $post_id ); // Force the post_id to make sure we get the correct page title.
if( ! empty( $post_title ) )
{
$trail['trail_end'] = $post_title;
}
}
/* If we're viewing any type of archive. */
else if( is_archive() )
{
/* If viewing a taxonomy term archive. */
if( is_tax() || is_category() || is_tag() )
{
/* Get some taxonomy and term variables. */
$term = $wp_query->get_queried_object();
$taxonomy = get_taxonomy( $term->taxonomy );
/* Get the path to the term archive. Use this to determine if a page is present with it. */
if( is_category() )
{
$path = get_option( 'category_base' );
}
else if( is_tag() )
{
$path = get_option( 'tag_base' );
}
else
{
if( $taxonomy->rewrite['with_front'] && $wp_rewrite->front )
{
$path = trailingslashit( $wp_rewrite->front );
}
$path .= $taxonomy->rewrite['slug'];
}
/* Get parent pages by path if they exist. */
if( $path )
{
$trail = array_merge( $trail, $this->get_parents( '', $path ) );
}
/* If the taxonomy is hierarchical, list its parent terms. */
if( is_taxonomy_hierarchical( $term->taxonomy ) && $term->parent )
{
$trail = array_merge( $trail, $this->get_term_parents( $term->parent, $term->taxonomy ) );
}
/* Add the term name to the trail end. */
$trail['trail_end'] = $term->name;
}
/* If viewing a post type archive. */
else if( function_exists( 'is_post_type_archive' ) && is_post_type_archive() )
{
/* Get the post type object. */
$post_type_object = get_post_type_object( get_query_var( 'post_type' ) );
/* If $front has been set, add it to the $path. */
if( $post_type_object->rewrite['with_front'] && $wp_rewrite->front )
{
$path .= trailingslashit( $wp_rewrite->front );
}
/* If there's a slug, add it to the $path. */
if( !empty( $post_type_object->rewrite['archive'] ) )
{
$path .= $post_type_object->rewrite['archive'];
}
/* If there's a path, check for parents. */
if( !empty( $path ) )
{
$trail = array_merge( $trail, $this->get_parents( '', $path ) );
}
/* Add the post type [plural] name to the trail end. */
$trail['trail_end'] = $post_type_object->labels->name;
}
/* If viewing an author archive. */
else if( is_author() )
{
/* If $front has been set, add it to $path. */
if( ! empty( $wp_rewrite->front ) )
{
$path .= trailingslashit( $wp_rewrite->front );
}
/* If an $author_base exists, add it to $path. */
if( ! empty( $wp_rewrite->author_base ) )
{
$path .= $wp_rewrite->author_base;
}
/* If $path exists, check for parent pages. */
if( ! empty( $path ) )
{
$trail = array_merge( $trail, $this->get_parents( '', $path ) );
}
/* Add the author's display name to the trail end. */
$trail['trail_end'] = apply_filters( 'avf_author_name', get_the_author_meta( 'display_name', get_query_var('author') ), get_query_var('author') );
}
/* If viewing a time-based archive. */
else if( is_time() )
{
if( get_query_var( 'minute' ) && get_query_var( 'hour' ) )
{
$trail['trail_end'] = get_the_time( __( 'g:i a', 'avia_framework' ) );
}
elseif( get_query_var( 'minute' ) )
{
$trail['trail_end'] = sprintf( __( 'Minute %1$s', 'avia_framework' ), get_the_time( __( 'i', 'avia_framework' ) ) );
}
elseif( get_query_var( 'hour' ) )
{
$trail['trail_end'] = get_the_time( __( 'g a', 'avia_framework' ) );
}
}
/* If viewing a date-based archive. */
else if( is_date() )
{
/* If $front has been set, check for parent pages. */
if( $wp_rewrite->front )
{
$trail = array_merge( $trail, $this->get_parents( '', $wp_rewrite->front ) );
}
if( is_day() )
{
$trail[] = '<a href="' . get_year_link( get_the_time( 'Y' ) ) . '" title="' . get_the_time( esc_attr__( 'Y', 'avia_framework' ) ) . '">' . get_the_time( __( 'Y', 'avia_framework' ) ) . '</a>';
$trail[] = '<a href="' . get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) . '" title="' . get_the_time( esc_attr__( 'F', 'avia_framework' ) ) . '">' . get_the_time( __( 'F', 'avia_framework' ) ) . '</a>';
$trail['trail_end'] = get_the_time( __( 'j', 'avia_framework' ) );
}
else if( get_query_var( 'w' ) )
{
$trail[] = '<a href="' . get_year_link( get_the_time( 'Y' ) ) . '" title="' . get_the_time( esc_attr__( 'Y', 'avia_framework' ) ) . '">' . get_the_time( __( 'Y', 'avia_framework' ) ) . '</a>';
$trail['trail_end'] = sprintf( __( 'Week %1$s', 'avia_framework' ), get_the_time( esc_attr__( 'W', 'avia_framework' ) ) );
}
else if( is_month() )
{
$trail[] = '<a href="' . get_year_link( get_the_time( 'Y' ) ) . '" title="' . get_the_time( esc_attr__( 'Y', 'avia_framework' ) ) . '">' . get_the_time( __( 'Y', 'avia_framework' ) ) . '</a>';
$trail['trail_end'] = get_the_time( __( 'F', 'avia_framework' ) );
}
else if( is_year() )
{
$trail['trail_end'] = get_the_time( __( 'Y', 'avia_framework' ) );
}
}
}
/* If viewing search results. */
else if( is_search() )
{
$trail['trail_end'] = sprintf( __( 'Search results for "%1$s"', 'avia_framework' ), esc_attr( get_search_query() ) );
}
/* If viewing a 404 error page. */
else if( is_404() )
{
$trail['trail_end'] = __( '404 Not Found', 'avia_framework' );
}
/* Allow child themes/plugins to filter the trail array. */
$trail = apply_filters( 'avia_breadcrumbs_trail', $trail, $args );
/**
* Allow to filter trail to return unique links only (href and text)
*
* @since 4.3.2
* @param boolean
* @param mixed|array $trail
* @return mixed|true
*/
if( true === apply_filters( 'avf_breadcrumb_trail_unique', true, $trail ) )
{
$trail = $this->make_unique_breadcrumbs( $trail );
}
/* Connect the breadcrumb trail if there are items in the trail. */
if( is_array( $trail ) )
{
$el_tag = 'span';
$markup_list = ' itemscope="itemscope" itemtype="https://schema.org/BreadcrumbList" ';
$markup_item = ' itemscope="itemscope" itemtype="https://schema.org/ListItem" itemprop="itemListElement" ';
$vocabulary = ''; // can be removed ( - see below )
//google rich snippets
if( $richsnippet === true )
{
// removed 4.7.2.1 as google will deprecate data-vocabulary
// https://meetanshi.com/blog/fix-data-vocabulary-org-schema-deprecated-error/
// https://github.com/KriesiMedia/wp-themes/issues/2650
//
// if( is_ssl() )
// {
// $vocabulary = 'xmlns:v="https://rdf.data-vocabulary.org/#"';
// }
// else
// {
// $vocabulary = 'xmlns:v="http://rdf.data-vocabulary.org/#"';
// }
}
/* Open the breadcrumb trail containers. */
$breadcrumb = '<div class="breadcrumb breadcrumbs avia-breadcrumbs"><div class="breadcrumb-trail" ' . $vocabulary . '>';
/* If $before was set, wrap it in a container. */
if( ! empty( $before ) )
{
$breadcrumb .= '<' . $el_tag . ' class="trail-before">' . $before . '</' . $el_tag . '> ';
}
/* Wrap the $trail['trail_end'] value in a container. */
if( ! empty( $trail['trail_end'] ) )
{
if( ! is_search() )
{
$trail['trail_end'] = avia_backend_truncate( $trail['trail_end'], $truncate, ' ', $pad = '...', false, '<strong><em><span>', true );
}
$trail['trail_end'] = '<' . $el_tag . ' class="trail-end">' . $trail['trail_end'] . '</' . $el_tag . '>';
}
if( $richsnippet === true )
{
$position = 0;
foreach( $trail as $key => &$link )
{
if( 'trail_end' === $key )
{
continue;
}
// $link = preg_replace( '!rel=".+?"|rel=\'.+?\'|!', '', $link );
// $link = str_replace( '<a ', '<a rel="v:url" property="v:title" ', $link ); // removed 4.7.2.1
// $link = '<span typeof="v:Breadcrumb">'.$link.'</span>'; //removed due to data testing error
$position ++;
$matches = array();
preg_match( "/<a ?.*>(.*)<\/a>/", $link, $matches );
$link_text = ! empty( $matches[1] ) ? $matches[1] : '';
$anchor = str_replace( $link_text . '</a>', '', $link );
$anchor = str_replace( '<a ', '<a itemprop="url" ', $anchor );
$new_link = '<span ' . $markup_list . '>';
$new_link .= '<span ' . $markup_item . '>';
$new_link .= $anchor;
$new_link .= '<span itemprop="name">' . $link_text . '</span>';
$new_link .= '</a>';
$new_link .= '<span itemprop="position" class="hidden">' . $position . '</span>';
$new_link .= '</span>';
$new_link .= '</span>';
$link = $new_link;
}
}
/* Format the separator. */
if( ! empty( $separator ) )
{
$separator = '<span class="sep">' . $separator . '</span>';
}
/* Join the individual trail items into a single string. */
$breadcrumb .= join( " {$separator} ", $trail );
/* If $after was set, wrap it in a container. */
if( ! empty( $after ) )
{
$breadcrumb .= ' <span class="trail-after">' . $after . '</span>';
}
/* Close the breadcrumb trail containers. */
$breadcrumb .= '</div></div>';
}
/* Allow developers to filter the breadcrumb trail HTML. */
$breadcrumb = apply_filters( 'avia_breadcrumbs', $breadcrumb );
/* Output the breadcrumb. */
if( $echo )
{
echo $breadcrumb;
}
else
{
return $breadcrumb;
}
} // End avia_breadcrumbs()
/**
* Gets parent pages of any post type or taxonomy by the ID or Path. 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. But, it's also just a way to check for a hierarchy with hierarchical post types.
*
* @since 3.7.0 (deprecated 4.8.2 avia_breadcrumbs_get_parents() )
* @param int $post_id ID of the post whose parents we want.
* @param string $path Path of a potential parent page.
* @return array $trail Array of parent page links.
*/
public function get_parents( $post_id = '', $path = '' )
{
/* Set up an empty trail array. */
$trail = array();
/* If neither a post ID nor path set, return an empty array. */
if( empty( $post_id ) && empty( $path ) )
{
return $trail;
}
/* If the post ID is empty, use the path to get the ID. */
if( empty( $post_id ) )
{
/* Get parent post by the path. */
$parent_page = get_page_by_path( $path );
/* ********************************************************************
Modification: The above line won't get the parent page if
the post type slug or parent page path is not the full path as required
by get_page_by_path. By using get_page_with_title, the full parent
trail can be obtained. This may still be buggy for page names that use
characters or long concatenated names.
Author: Byron Rode
Date: 06 June 2011
******************************************************************* */
if( empty( $parent_page ) )
{
// search on page name (single word)
$parent_page = get_page_by_title ( $path );
}
if( empty( $parent_page ) )
{
// search on page title (multiple words)
$parent_page = get_page_by_title ( str_replace( array('-', '_'), ' ', $path ) );
}
/* End Modification */
/* If a parent post is found, set the $post_id variable to it. */
if( ! empty( $parent_page ) )
{
$post_id = $parent_page->ID;
}
}
/* If a post ID and path is set, search for a post by the given path. */
if( $post_id == 0 && !empty( $path ) )
{
/* Separate post names into separate paths by '/'. */
$path = trim( $path, '/' );
$matches = array();
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 );
$parent_page = get_page_by_path( trim( $path, '/' ) );
/* If a parent post is found, set the $post_id and break out of the loop. */
if( ! empty( $parent_page ) && $parent_page->ID > 0 )
{
$post_id = $parent_page->ID;
break;
}
}
}
}
}
$parents = array();
/* While there's a post ID, add the post link to the $parents array. */
while( $post_id )
{
/* Get the post by ID. */
$page = get_post( $post_id );
/**
* Allow to translate breadcrumb trail - fixes a problem with parent page for portfolio
* https://kriesi.at/support/topic/parent-page-link-works-correct-but-translation-doesnt/
*
* @used_by config-wpml\config.php 10
* @since 4.5.1
* @param int $post_id
* @return int
*/
$translated_id = apply_filters( 'avf_breadcrumbs_get_parents', $post_id );
/* Add the formatted post link to the array of parents. */
$parents[] = '<a href="' . get_permalink( $translated_id ) . '" title="' . esc_attr( get_the_title( $translated_id ) ) . '">' . get_the_title( $translated_id ) . '</a>';
/* Set the parent post's parent to the post ID. */
if( is_object( $page ) )
{
$post_id = $page->post_parent;
}
else
{
$post_id = '';
}
}
/* If we have parent posts, reverse the array to put them in the proper order for the trail. */
if( ! empty( $parents ) )
{
$trail = array_reverse( $parents );
}
/* Return the trail of parent posts. */
return $trail;
}
/**
* 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 3.7.0 (deprecated 4.8.2: avia_breadcrumbs_get_term_parents )
* @since 4.8.2
* @param int $parent_id The ID of the first parent.
* @param object|string $taxonomy The taxonomy of the term whose parents we want.
* @return array $trail Array of links to parent terms.
*/
public function get_term_parents( $parent_id = '', $taxonomy = '' )
{
/* Set up some default arrays. */
$trail = array();
$parents = array();
/* If no term parent ID or taxonomy is given, return an empty array. */
if( empty( $parent_id ) || empty( $taxonomy ) )
{
return $trail;
}
/* While there is a parent ID, add the parent term link to the $parents array. */
while ( $parent_id )
{
/* Get the parent term. */
$parent = get_term( $parent_id, $taxonomy );
/* Add the formatted term link to the array of parent terms. */
$parents[] = '<a href="' . get_term_link( $parent, $taxonomy ) . '" title="' . esc_attr( $parent->name ) . '">' . $parent->name . '</a>';
/* Set the parent term's parent as the parent ID. */
$parent_id = $parent->parent;
}
/* If we have parent terms, reverse the array to put them in the proper order for the trail. */
if( ! empty( $parents ) )
{
$trail = array_reverse( $parents );
}
/* Return the trail of parent terms. */
return $trail;
}
/**
* Filters the trail and removes the first entries that have the same href's and link text
* Trail must be an array
*
* @since 4.3.2 ( deprecated 4.8.2: avia_make_unique_breadcrumbs )
* @since 4.8.2
* @param mixed|array $trail
* @return mixed|array
*/
protected function make_unique_breadcrumbs( $trail )
{
if( ! is_array( $trail ) || empty( $trail ) )
{
return $trail;
}
$splitted = array();
foreach( $trail as $key => $link )
{
$url = array();
$text = array();
preg_match( '/href=["\']?([^"\'>]+)["\']?/', $link, $url );
preg_match( '/<\s*a[^>]*>([^<]*)<\s*\/\s*a\s*>/', $link, $text );
$splitted[] = array(
'url' => isset( $url[1] ) ? untrailingslashit( $url[1] ) : '',
'text' => isset( $text[1] ) ? $text[1] : $link
);
}
$last_index = count( $trail );
foreach( $splitted as $key => $current )
{
for( $i = $key + 1; $i < $last_index; $i++ )
{
$check = $splitted[ $i ];
// entry without url we do not remove - normally the last entry
if( empty( $check['url'] ) )
{
continue;
}
if( ( strcasecmp( $current['url'], $check['url'] ) == 0 ) && ( strcasecmp( $current['text'], $check['text'] ) == 0 ) )
{
$splitted[ $key ]['delete'] = true;
break;
}
}
}
$deleted = false;
foreach( $splitted as $key => $current )
{
if( ! empty( $current['delete'] ) && ( true === $current['delete'] ) )
{
unset( $trail[ $key ] );
$deleted = true;
}
}
if( $deleted )
{
$trail = array_merge( $trail );
}
return $trail;
}
}
/**
* @since 4.8.2
* @return avia_breadcrumb_trail
*/
function Avia_Breadcrumb_Trail()
{
return avia_breadcrumb_trail::instance();
}
}
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