File Content: class-wpseo-primary-term.php <?php /** * WPSEO plugin file. * * @package WPSEO */ /** * Represents a post's primary term. */ class WPSEO_Primary_Term { /** * Taxonomy name for the term. * * @var string */ protected $taxonomy_name; /** * Post ID for the term. * * @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 ); if ( ! $primary_term ) { return false; } $terms = $this->get_terms(); if ( ! in_array( (int) $primary_term, wp_list_pluck( $terms, 'term_id' ), true ) ) { $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. * * @return void */ 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 = []; } return $terms; } } Submit