wordpress-seo / src / values / robots / user-agent-list.php

user-agent-list.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 28.3, at src/values/robots/user-agent-list.php

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1	<?php
2
3	namespace Yoast\WP\SEO\Values\Robots;
4
5	/**
6	* Class User_Agent_List
7	*/
8	class User_Agent_List {
9
10	/**
11	* The list of user agents.
12	*
13	* @var array
14	*/
15	private $user_agent_list;
16
17	/**
18	* User Agent list constructor.
19	*/
20	public function __construct() {
21	$this->user_agent_list = [];
22	}
23
24	/**
25	* Checks if given user_agent is already registered.
26	*
27	* @param string $user_agent The user agent identifier.
28	*
29	* @return bool
30	*/
31	public function has_user_agent( $user_agent ) {
32	return \array_key_exists( $user_agent, $this->user_agent_list );
33	}
34
35	/**
36	* Gets the user agent object. If it is not yet registered it creates it.
37	*
38	* @param string $user_agent The user agent identifier.
39	*
40	* @return User_Agent
41	*/
42	public function get_user_agent( $user_agent ) {
43	if ( $this->has_user_agent( $user_agent ) ) {
44	return $this->user_agent_list[ $user_agent ];
45	}
46
47	$this->user_agent_list[ $user_agent ] = new User_Agent( $user_agent );
48
49	return $this->user_agent_list[ $user_agent ];
50	}
51
52	/**
53	* Gets the list of user agents.
54	*
55	* @return array
56	*/
57	public function get_user_agents() {
58	return $this->user_agent_list;
59	}
60
61	/**
62	* Gets a list of all disallow directives by user agent.
63	*
64	* @return array
65	*/
66	public function get_disallow_directives() {
67	$directives = [];
68	foreach ( $this->user_agent_list as $user_agent ) {
69	$directives[ $user_agent->get_user_agent() ] = $user_agent->get_disallow_paths();
70	}
71
72	return $directives;
73	}
74
75	/**
76	* Gets a list of all sallow directives by user agent.
77	*
78	* @return array
79	*/
80	public function get_allow_directives() {
81	$directives = [];
82	foreach ( $this->user_agent_list as $user_agent ) {
83	$directives[ $user_agent->get_user_agent() ] = $user_agent->get_allow_paths();
84	}
85
86	return $directives;
87	}
88	}
89