polylang / include / plugins-compat.php

plugins-compat.php in Polylang 1.5.1, at include/plugins-compat.php

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1	<?php
2
3	/*
4	* manages compatibility with 3rd party plugins (and themes)
5	* this class is available as soon as the plugin is loaded
6	*
7	* @since 1.0
8	*/
9	class PLL_Plugins_Compat {
10
11	/*
12	* constructor
13	*
14	* @since 1.0
15	*/
16	public function __construct() {
17	// WordPress Importer
18	add_action('init', array(&$this, 'maybe_wordpress_importer'));
19
20	// YARPP
21	// just makes YARPP aware of the language taxonomy (after Polylang registered it)
22	add_action('init', create_function('',"\$GLOBALS['wp_taxonomies']['language']->yarpp_support = 1;"), 20);
23
24	// WordPress SEO by Yoast
25	add_action('pll_language_defined', array(&$this, 'wpseo_translate_options'));
26	add_filter('get_terms_args', array(&$this, 'wpseo_remove_terms_filter'));
27	add_filter('pll_home_url_white_list', create_function('$arr', "return array_merge(\$arr, array(array('file' => 'wordpress-seo')));"));
28
29	// Custom field template
30	add_action('add_meta_boxes', array(&$this, 'cft_copy'), 10, 2);
31
32	// Aqua Resizer
33	add_filter('pll_home_url_black_list', create_function('$arr', "return array_merge(\$arr, array(array('function' => 'aq_resize')));"));
34
35	// Twenty Fourteen
36	add_filter('transient_featured_content_ids', array(&$this, 'twenty_fourteen_featured_content_ids'));
37
38	if (!PLL_ADMIN)
39	add_filter('option_featured-content', array(&$this, 'twenty_fourteen_option_featured_content'));
40	}
41
42	/*
43	* WordPress Importer
44	* if WordPress Importer is active, replace the wordpress_importer_init function
45	*
46	* @since 1.2
47	*/
48	function maybe_wordpress_importer() {
49	if (class_exists('WP_Import')) {
50	remove_action('admin_init', 'wordpress_importer_init');
51	add_action('admin_init', array(&$this, 'wordpress_importer_init'));
52	}
53	}
54
55	/*
56	* WordPress Importer
57	* loads our child class PLL_WP_Import instead of WP_Import
58	*
59	* @since 1.2
60	*/
61	function wordpress_importer_init() {
62	$class = new ReflectionClass('WP_Import');
63	load_plugin_textdomain( 'wordpress-importer', false, basename(dirname( $class->getFileName() )) . '/languages' );
64
65	$GLOBALS['wp_import'] = new PLL_WP_Import();
66	register_importer( 'wordpress', 'WordPress', __('Import <strong>posts, pages, comments, custom fields, categories, and tags</strong> from a WordPress export file.', 'wordpress-importer'), array( $GLOBALS['wp_import'], 'dispatch' ) );
67	}
68
69	/*
70	* WordPress SEO by Yoast
71	* reloads options once the language has been defined to enable translations
72	* useful only when the language is set from content
73	*
74	* @since 1.2
75	*/
76	public function wpseo_translate_options() {
77	if (defined('WPSEO_VERSION') && !PLL_ADMIN && did_action('wp_loaded')) {
78	global $wpseo_front;
79	$options = version_compare(WPSEO_VERSION, '1.5', '<') ? get_wpseo_options_arr() : WPSEO_Options::get_option_names();
80	foreach ( $options as $opt )
81	$wpseo_front->options = array_merge( $wpseo_front->options, (array) get_option( $opt ) );
82	}
83	}
84
85	/*
86	* WordPress SEO by Yoast
87	* removes the language filter for the taxonomy sitemaps
88	*
89	* @since 1.0.3
90	*
91	* @param array $args get_terms arguments
92	* @return array modified list of arguments
93	*/
94	public function wpseo_remove_terms_filter($args) {
95	if (defined('WPSEO_VERSION') && isset($GLOBALS['wp_query']->query['sitemap']))
96	$args['lang'] = 0;
97	return $args;
98	}
99
100	/*
101	* Custom field template does check $_REQUEST['post'] to populate the custom fields values
102	*
103	* @since 1.0.2
104	*
105	* @param string $post_type unused
106	* @param object $post current post object
107	*/
108	public function cft_copy($post_type, $post) {
109	global $custom_field_template;
110	if (isset($custom_field_template, $_REQUEST['from_post'], $_REQUEST['new_lang']) && !empty($post))
111	$_REQUEST['post'] = $post->ID;
112	}
113
114	/*
115	* rewrites the function Featured_Content::get_featured_post_ids()
116	*
117	* @since 1.4
118	*
119	* @param array $ids featured posts ids
120	* @return array modified featured posts ids (include all languages)
121	*/
122	public function twenty_fourteen_featured_content_ids($featured_ids) {
123	if (false !== $featured_ids)
124	return $featured_ids;
125
126	$settings = Featured_Content::get_setting();
127
128	if (!$term = get_term_by( 'name', $settings['tag-name'], 'post_tag' ))
129	return $featured_ids;
130
131	// get featured tag translations
132	$tags = $GLOBALS['polylang']->model->get_translations('term' ,$term->term_id);
133	$ids = array();
134
135	// Query for featured posts in all languages
136	// one query per language to get the correct number of posts per language
137	foreach ($tags as $tag) {
138	$_ids = get_posts(array(
139	'lang' => 0, // avoid language filters
140	'fields' => 'ids',
141	'numberposts' => Featured_Content::$max_posts,
142	'tax_query' => array(array(
143	'taxonomy' => 'post_tag',
144	'terms' => (int) $tag,
145	)),
146	));
147
148	$ids = array_merge($ids, $_ids);
149	}
150
151	$ids = array_map( 'absint', $ids );
152	set_transient( 'featured_content_ids', $ids );
153
154	return $ids;
155	}
156
157	/*
158	* translates the featured tag id in featured content settings
159	* mainly to allow hiding it when requested in featured content options
160	* acts only on frontend
161	*
162	* @since 1.4
163	*
164	* @param array $settings featured content settings
165	* @return array modified $settings
166	*/
167	public function twenty_fourteen_option_featured_content($settings) {
168	if ($settings['tag-id'] && $tr = pll_get_term($settings['tag-id']))
169	$settings['tag-id'] = $tr;
170
171	return $settings;
172	}
173	}
174