polylang / include / links.php

links.php in Polylang 2.2, at include/links.php

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1	<?php
2
3	/**
4	* Manages links related functions
5	*
6	* @since 1.2
7	*/
8	class PLL_Links {
9	public $links_model, $model, $options;
10
11	/**
12	* Constructor
13	*
14	* @since 1.2
15	*
16	* @param object $polylang
17	*/
18	public function __construct( &$polylang ) {
19	$this->links_model = &$polylang->links_model;
20	$this->model = &$polylang->model;
21	$this->options = &$polylang->options;
22	}
23
24	/**
25	* Returns the home url in the requested language
26	*
27	* @since 1.3
28	*
29	* @param object\|string $language
30	* @param bool $is_search optional wether we need the home url for a search form, defaults to false
31	*/
32	public function get_home_url( $language, $is_search = false ) {
33	$language = is_object( $language ) ? $language : $this->model->get_language( $language );
34	return $is_search ? $language->search_url : $language->home_url;
35	}
36
37	/**
38	* Checks if the current user can read the post
39	*
40	* @since 1.5
41	*
42	* @param int $post_id
43	* @return bool
44	*/
45	public function current_user_can_read( $post_id ) {
46	$post = get_post( $post_id );
47
48	if ( 'inherit' === $post->post_status && $post->post_parent ) {
49	$post = get_post( $post->post_parent );
50	}
51
52	if ( 'inherit' === $post->post_status \|\| in_array( $post->post_status, get_post_stati( array( 'public' => true ) ) ) ) {
53	return true;
54	}
55
56	// Follow WP practices, which shows links to private posts ( when readable ), but not for draft posts ( ex: get_adjacent_post_link() )
57	if ( in_array( $post->post_status, get_post_stati( array( 'private' => true ) ) ) ) {
58	$post_type_object = get_post_type_object( $post->post_type );
59	$user = wp_get_current_user();
60	return is_user_logged_in() && ( current_user_can( $post_type_object->cap->read_private_posts ) \|\| $user->ID == $post->post_author ); // Comparison must not be strict!
61	}
62
63	return false;
64	}
65	}
66