<?php /** * @package WPSEO */ /** * Represents a post's primary term */ class WPSEO_Primary_Term { /** * @var string */ protected $taxonomy_name; /** * @var int */ protected $post_ID; /** * The taxonomy this term is part of * * @param string $taxonomy_name Taxonomy name for the term. * @param int $post_id Post ID for the term. */ public function __construct( $taxonomy_name, $post_id ) { $this->taxonomy_name = $taxonomy_name; $this->post_ID = $post_id; } /** * Returns the primary term ID * * @return int|bool */ public function get_primary_term() { $primary_term = get_post_meta( $this->post_ID, WPSEO_Meta::$meta_prefix . 'primary_' . $this->taxonomy_name, true ); $terms = $this->get_terms(); if ( ! in_array( $primary_term, wp_list_pluck( $terms, 'term_id' ) ) ) { $primary_term = false; } $primary_term = (int) $primary_term; return ( $primary_term ) ? ( $primary_term ) : false; } /** * Sets the new primary term ID * * @param int $new_primary_term New primary term ID. */ public function set_primary_term( $new_primary_term ) { update_post_meta( $this->post_ID, WPSEO_Meta::$meta_prefix . 'primary_' . $this->taxonomy_name, $new_primary_term ); } /** * Get the terms for the current post ID. * When $terms is not an array, set $terms to an array. * * @return array */ protected function get_terms() { $terms = get_the_terms( $this->post_ID, $this->taxonomy_name ); if ( ! is_array( $terms ) ) { $terms = array(); } return $terms; } }