polylang / include / base.php

base.php in Polylang 1.2.2, at include/base.php

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1	<?php
2
3	/*
4	* base class for both admin and frontend
5	*
6	* @since 1.2
7	*/
8	abstract class PLL_Base {
9	public $links_model, $model, $options;
10
11	/*
12	* constructor
13	*
14	* @since 1.2
15	*
16	* @param object $links_model
17	*/
18	public function __construct(&$links_model) {
19	$this->links_model = &$links_model;
20	$this->model = &$links_model->model;
21	$this->options = &$this->model->options;
22
23	add_action('widgets_init', array(&$this, 'widgets_init'));
24
25	// user defined strings translations
26	add_action('pll_language_defined', array(&$this, 'load_strings_translations'), 5);
27	}
28
29	/*
30	* registers our widgets
31	*
32	* @since 0.1
33	*/
34	public function widgets_init() {
35	register_widget('PLL_Widget_Languages');
36
37	// overwrites the calendar widget to filter posts by language
38	if (!defined('PLL_WIDGET_CALENDAR') \|\| PLL_WIDGET_CALENDAR) {
39	unregister_widget('WP_Widget_Calendar');
40	register_widget('PLL_Widget_Calendar');
41	}
42	}
43
44	/*
45	* loads user defined strings translations
46	*
47	* @since 1.2
48	*/
49	public function load_strings_translations() {
50	$mo = new PLL_MO();
51	$mo->import_from_db($this->model->get_language(get_locale()));
52	$GLOBALS['l10n']['pll_string'] = &$mo;
53	}
54
55	/*
56	* some backward compatibility with Polylang < 1.2
57	* allows for example to call $polylang->get_languages_list() instead of $polylang->model->get_languages_list()
58	* this works but should be slower than the direct call, thus an error is triggered in debug mode
59	*
60	* @since 1.2
61	*
62	* @param string $func function name
63	* @param array $args function arguments
64	*/
65	public function __call($func, $args) {
66	foreach ($this as $prop => &$obj)
67	if (is_object($obj) && method_exists($obj, $func)) {
68	if (WP_DEBUG) {
69	$debug = debug_backtrace();
70	trigger_error(sprintf(
71	'%1$s was called incorrectly in %3$s on line %4$s: the call to $polylang->%1$s() has been deprecated in Polylang 1.2, use $polylang->%2$s->%1$s() instead.' . "\nError handler",
72	$func, $prop, $debug[1]['file'], $debug[1]['line']
73	));
74	}
75	return call_user_func_array(array($obj, $func), $args);
76	}
77
78	$debug = debug_backtrace();
79	trigger_error(sprintf('Call to undefined function $polylang->%1$s() in %2$s on line %3$s' . "\nError handler", $func, $debug[0]['file'], $debug[0]['line']), E_USER_ERROR);
80	}
81	}
82
83	/*
84	* helpers functions
85	*/
86
87
88	/*
89	* returns all page ids not in language defined by $lang_id
90	* works for all translated hierarchical post types
91	*
92	* @since 1.2
93	*
94	* @param object $lang language object
95	* @return array list of page ids to exclude
96	*/
97	function pll_exclude_pages($lang) {
98	global $polylang;
99
100	$args = array(
101	'lang' => 0, // so this query is not filtered by our pre_get_post filter in PLL_Frontend_Filters
102	'numberposts' => -1,
103	'nopaging' => true,
104	'post_type' => array_intersect(get_post_types(array('hierarchical' => 1)), $polylang->model->post_types),
105	'fields' => 'ids',
106	'tax_query' => array(array(
107	'taxonomy' => 'language',
108	'field' => 'term_taxonomy_id', // since WP 3.5
109	'terms' => $lang->term_taxonomy_id,
110	'operator' => 'NOT IN'
111	))
112	);
113
114	// backward compatibility WP < 3.5
115	if (version_compare($GLOBALS['wp_version'], '3.5' , '<')) {
116	unset($args['tax_query']['field']);
117	$args['tax_query']['terms'] = $lang->term_id;
118	}
119
120	return get_posts($args);
121	}
122