wordpress-seo / inc / class-wpseo-primary-term.php

class-wpseo-primary-term.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 18.5, at inc/class-wpseo-primary-term.php

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1	<?php
2	/**
3	* WPSEO plugin file.
4	*
5	* @package WPSEO
6	*/
7
8	/**
9	* Represents a post's primary term.
10	*/
11	class WPSEO_Primary_Term {
12
13	/**
14	* Taxonomy name for the term.
15	*
16	* @var string
17	*/
18	protected $taxonomy_name;
19
20	/**
21	* Post ID for the term.
22	*
23	* @var int
24	*/
25	protected $post_ID;
26
27	/**
28	* The taxonomy this term is part of.
29	*
30	* @param string $taxonomy_name Taxonomy name for the term.
31	* @param int $post_id Post ID for the term.
32	*/
33	public function __construct( $taxonomy_name, $post_id ) {
34	$this->taxonomy_name = $taxonomy_name;
35	$this->post_ID = $post_id;
36	}
37
38	/**
39	* Returns the primary term ID.
40	*
41	* @return int\|bool
42	*/
43	public function get_primary_term() {
44	$primary_term = get_post_meta( $this->post_ID, WPSEO_Meta::$meta_prefix . 'primary_' . $this->taxonomy_name, true );
45
46	$terms = $this->get_terms();
47
48	if ( ! in_array( (int) $primary_term, wp_list_pluck( $terms, 'term_id' ), true ) ) {
49	$primary_term = false;
50	}
51
52	$primary_term = (int) $primary_term;
53	return ( $primary_term ) ? ( $primary_term ) : false;
54	}
55
56	/**
57	* Sets the new primary term ID.
58	*
59	* @param int $new_primary_term New primary term ID.
60	*/
61	public function set_primary_term( $new_primary_term ) {
62	update_post_meta( $this->post_ID, WPSEO_Meta::$meta_prefix . 'primary_' . $this->taxonomy_name, $new_primary_term );
63	}
64
65	/**
66	* Get the terms for the current post ID.
67	* When $terms is not an array, set $terms to an array.
68	*
69	* @return array
70	*/
71	protected function get_terms() {
72	$terms = get_the_terms( $this->post_ID, $this->taxonomy_name );
73
74	if ( ! is_array( $terms ) ) {
75	$terms = [];
76	}
77
78	return $terms;
79	}
80	}
81