/home/edulekha/acepackagingindustry.com/wp-content/themes/enfold/framework/php/class-breadcrumb.php
<?php
if(!class_exists('avia_breadcrumb'))
{
class avia_breadcrumb
{
var $options;
function __construct($options = ""){
$this->options = array( //change this array if you want another output scheme
'before' => '<span class="arrow"> ',
'after' => ' </span>',
'delimiter' => '»'
);
if(is_array($options))
{
$this->options = array_merge($this->options, $options);
}
$markup = $this->options['before'].$this->options['delimiter'].$this->options['after'];
global $post;
echo '<p class="breadcrumb"><span class="breadcrumb_info">'.__('You are here:','avia_framework').'</span> <a href="'.get_bloginfo('url').'">';
bloginfo('name');
echo "</a>";
if(!is_front_page()){echo $markup;}
$output = $this->simple_breadcrumb_case($post);
echo "<span class='current_crumb'>";
if ( is_page() || is_single()) {
the_title();
}else{
echo $output;
}
echo " </span></p>";
}
function simple_breadcrumb_case($der_post)
{
global $post;
$markup = $this->options['before'].$this->options['delimiter'].$this->options['after'];
if (is_page()){
if($der_post->post_parent) {
$my_query = get_post($der_post->post_parent);
$this->simple_breadcrumb_case($my_query);
$link = '<a href="';
$link .= get_permalink($my_query->ID);
$link .= '">';
$link .= ''. get_the_title($my_query->ID) . '</a>'. $markup;
echo $link;
}
return;
}
if(is_single())
{
$category = get_the_category();
if (is_attachment()){
$my_query = get_post($der_post->post_parent);
$category = get_the_category($my_query->ID);
if(isset($category[0]))
{
$ID = $category[0]->cat_ID;
$parents = get_category_parents($ID, TRUE, $markup, FALSE );
if(!is_object($parents)) echo $parents;
previous_post_link("%link $markup");
}
}else{
$postType = get_post_type();
if($postType == 'post')
{
$ID = $category[0]->cat_ID;
echo get_category_parents($ID, TRUE, $markup, FALSE );
}
else if($postType == 'portfolio')
{
$terms = get_the_term_list( $post->ID, 'portfolio_entries', '', '$$$', '' );
$terms = explode('$$$',$terms);
echo $terms[0].$markup;
}
}
return;
}
if(is_tax()){
$term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
return $term->name;
}
if(is_category()){
$category = get_the_category();
$i = $category[0]->cat_ID;
$parent = $category[0]-> category_parent;
if($parent > 0 && $category[0]->cat_name == single_cat_title("", false)){
echo get_category_parents($parent, TRUE, $markup, FALSE);
}
return single_cat_title('',FALSE);
}
if(is_author()){
$curauth = get_userdatabylogin(get_query_var('author_name'));
return "Author: ".$curauth->nickname;
}
if(is_tag()){ return "Tag: ".single_tag_title('',FALSE); }
if(is_404()){ return __("404 - Page not Found",'avia_framework'); }
if(is_search()){ return __("Search",'avia_framework');}
if(is_year()){ return get_the_time('Y'); }
if(is_month()){
$k_year = get_the_time('Y');
echo "<a href='".get_year_link($k_year)."'>".$k_year."</a>".$markup;
return get_the_time('F'); }
if(is_day() || is_time()){
$k_year = get_the_time('Y');
$k_month = get_the_time('m');
$k_month_display = get_the_time('F');
echo "<a href='".get_year_link($k_year)."'>".$k_year."</a>".$markup;
echo "<a href='".get_month_link($k_year, $k_month)."'>".$k_month_display."</a>".$markup;
return get_the_time('jS (l)'); }
}
}
}
/*-----------------------------------------------------------------------------------*/
/* avia_breadcrumbs() - Custom breadcrumb generator function */
/*
/* Params:
/*
/* 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.
/*
/*-----------------------------------------------------------------------------------*/
/**
* The code below is an inspired/modified version by woothemes breadcrumb function which in turn is inspired by Justin Tadlock's Hybrid Core :)
*/
function avia_breadcrumbs( $args = array() ) {
global $wp_query, $wp_rewrite;
/* 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;
elseif ( $show_home )
$trail['trail_end'] = "{$show_home}";
}
/* If viewing the "home"/posts page. */
elseif ( is_home() ) {
$home_page = get_page( $wp_query->get_queried_object_id() );
$trail = array_merge( $trail, avia_breadcrumbs_get_parents( $home_page->post_parent, '' ) );
$trail['trail_end'] = get_the_title( $home_page->ID );
}
/* If viewing a singular post (page, attachment, etc.). */
elseif ( 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 || ( $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, avia_breadcrumbs_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, '', '$$$', '' );
echo"<pre>";
print_r($tax.$terms);
echo"</pre>";
}
*/
/* If the post type path returns nothing and there is a parent, get its parents. */
if ( empty( $path ) && 0 !== $parent || 'attachment' == $post_type )
$trail = array_merge( $trail, avia_breadcrumbs_get_parents( $parent, '' ) );
/* Toggle the display of the posts page on single blog posts. */
if ( 'post' == $post_type && $show_posts_page == true && 'page' == get_option( 'show_on_front' ) ) {
$posts_page = get_option( 'page_for_posts' );
if ( $posts_page != '' && is_numeric( $posts_page ) ) {
$trail = array_merge( $trail, avia_breadcrumbs_get_parents( $posts_page, '' ) );
}
}
if('post' == $post_type && $show_categories)
{
$category = get_the_category();
foreach($category as $cat)
{
if(!empty($cat->parent))
{
$parents = get_category_parents($cat->cat_ID, TRUE, '$$$', 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. */
elseif ( 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' );
elseif ( 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, avia_breadcrumbs_get_parents( '', $path ) );
/* If the taxonomy is hierarchical, list its parent terms. */
if ( is_taxonomy_hierarchical( $term->taxonomy ) && $term->parent )
$trail = array_merge( $trail, avia_breadcrumbs_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. */
elseif ( 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, avia_breadcrumbs_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. */
elseif ( 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, avia_breadcrumbs_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. */
elseif ( 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. */
elseif ( is_date() ) {
/* If $front has been set, check for parent pages. */
if ( $wp_rewrite->front )
$trail = array_merge( $trail, avia_breadcrumbs_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' ) );
}
elseif ( 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' ) ) );
}
elseif ( 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' ) );
}
elseif ( is_year() ) {
$trail['trail_end'] = get_the_time( __( 'Y', 'avia_framework' ) );
}
}
}
/* If viewing search results. */
elseif ( is_search() )
$trail['trail_end'] = sprintf( __( 'Search results for "%1$s"', 'avia_framework' ), esc_attr( get_search_query() ) );
/* If viewing a 404 error page. */
elseif ( 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 );
/* Connect the breadcrumb trail if there are items in the trail. */
if ( is_array( $trail ) ) {
$el_tag = "span";
$vocabulary = "";
//google rich snippets
if($richsnippet === true)
{
$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($richsnippet === true)
{
foreach($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);
$link = '<span typeof="v:Breadcrumb">'.$link.'</span>';
}
}
/* 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()
/*-----------------------------------------------------------------------------------*/
/* avia_breadcrumbs_get_parents() - Retrieve the parents of the current page/post */
/*-----------------------------------------------------------------------------------*/
/**
* 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
* @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.
*/
function avia_breadcrumbs_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, '/' );
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;
}
}
}
}
}
/* While there's a post ID, add the post link to the $parents array. */
while ( $post_id ) {
/* Get the post by ID. */
$page = get_page( $post_id );
/* Add the formatted post link to the array of parents. */
$parents[] = '<a href="' . get_permalink( $post_id ) . '" title="' . esc_attr( get_the_title( $post_id ) ) . '">' . get_the_title( $post_id ) . '</a>';
/* Set the parent post's parent to the post ID. */
if(is_object($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 ( isset( $parents ) )
$trail = array_reverse( $parents );
/* Return the trail of parent posts. */
return $trail;
} // End avia_breadcrumbs_get_parents()
/*-----------------------------------------------------------------------------------*/
/* avia_breadcrumbs_get_term_parents() - Retrieve the parents of the current term */
/*-----------------------------------------------------------------------------------*/
/**
* 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
* @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.
*/
function avia_breadcrumbs_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;
} // End avia_breadcrumbs_get_term_parents()