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File Content: `primarycategory.php`

<?php
/*
* SITESEO
* https://siteseo.io
* (c) SiteSEO Team
*/

namespace SiteSEO;

if(!defined('ABSPATH')){
	die('HACKING ATTEMPT!');
}

class PrimaryCategory{
	
	static function wc_primary_category($none_terms, $terms, $post){
		$primary_cat = null;

		if(!empty($post)){
			$wc_primary_cat = get_post_meta($post->ID, '_siteseo_robots_primary_cat', true);
			if(isset($wc_primary_cat) && '' != $wc_primary_cat && 'none' != $wc_primary_cat){
				
				if(null != $post->post_type && 'product' == $post->post_type){
					$primary_cat = get_term($wc_primary_cat, 'product_cat');
				}
				
				if(!is_wp_error($primary_cat) && null != $primary_cat){
					return $primary_cat;
				}
			} else{
				return $none_terms;
			}
		} else{
			return $none_terms;
		}
	}

	static function add_primary_category($none_cate, $cats, $post){
		$primary_cat = null;

		if(!empty($post)){
			$robots_primary_cat = get_post_meta($post->ID, '_siteseo_robots_primary_cat', true);
			if(isset($robots_primary_cat) && '' != $robots_primary_cat && 'none' != $robots_primary_cat){
				
				if(null != $post->post_type && 'post' == $post->post_type){
					$primary_cat = get_category($robots_primary_cat);
				}
				
				if(!is_wp_error($primary_cat) && null != $primary_cat){
					return $primary_cat;
				}
			} else{
				return $none_cate;
			}
		} else{
			return $none_cate;
		}
	}
	
	static function replace_breadcrumb_categories($crumbs, $breadcrumb){
		if(!is_product()){
			return $crumbs;
		}

		global $post;
		$primary_cat_id = get_post_meta($post->ID, '_siteseo_robots_primary_cat', true);
		
		if(!empty($primary_cat_id) && $primary_cat_id !== 'none'){
			$primary_cat = get_term($primary_cat_id, 'product_cat');
			
			if(!empty($primary_cat) && !is_wp_error($primary_cat)){
				
				$new_crumbs = [];
				foreach($crumbs as $key => $crumb){
					
					if($key === 0 || (isset($crumb[1]) && strpos($crumb[1], '?post_type=product') !== false)){
						$new_crumbs[] = $crumb;
					}
				}
				
				$ancestors = get_ancestors($primary_cat->term_id, 'product_cat');
				$ancestors = array_reverse($ancestors);
				
				foreach($ancestors as $ancestor_id){
					$ancestor = get_term($ancestor_id, 'product_cat');
					if(!empty($ancestor) && !is_wp_error($ancestor)){
						$new_crumbs[] = [
							$ancestor->name,
							get_term_link($ancestor)
						];
					}
				}
				
				if(!empty($primary_cat) && !is_wp_error($primary_cat)){
					$new_crumbs[] = [
						$primary_cat->name,
						get_term_link($primary_cat)
					];
				}
				
				if(count($crumbs) > 0){
					$new_crumbs[] = $crumbs[count($crumbs) - 1];
				}
				
				return $new_crumbs;
			}
		}

		return $crumbs;
	}
}

Name	Size	Permission
metaboxes	---	0755
settings	---	0755
admin.php	23622 bytes	0644
advanced.php	7020 bytes	0644
ajax.php	22145 bytes	0644
columns.php	5617 bytes	0644
generatesitemap.php	25537 bytes	0644
googleanalytics.php	26618 bytes	0644
imageseo.php	3132 bytes	0644
import.php	38829 bytes	0644
install.php	5823 bytes	0644
instantindexing.php	9068 bytes	0644
primarycategory.php	2665 bytes	0644
socialmetas.php	29213 bytes	0644
tableofcontent.php	5383 bytes	0644
titlesmetas.php	33280 bytes	0644

File Content: primarycategory.php

File Content: `primarycategory.php`