polylang / include / mo.php

mo.php in Polylang 1.7.3, at include/mo.php

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1	<?php
2
3	/*
4	* manages strings translations storage
5	*
6	* @since 1.2
7	*/
8	class PLL_MO extends MO {
9
10	/*
11	* registers the polylang_mo custom post type, only at first object creation
12	*
13	* @since 1.2
14	*/
15	public function __construct() {
16	if (!post_type_exists('polylang_mo'))
17	register_post_type('polylang_mo', array('rewrite' => false, 'query_var' => false, '_pll' => true));
18	}
19
20	/*
21	* writes a PLL_MO object into a custom post
22	*
23	* @since 1.2
24	*
25	* @param object $lang the language in which we want to export strings
26	*/
27	public function export_to_db($lang) {
28	$this->add_entry($this->make_entry('', '')); // empty string translation, just in case
29
30	// would be convenient to store the whole object but it would take a huge space in DB
31	// so let's keep only the strings in an array
32	$strings = array();
33	foreach ($this->entries as $entry)
34	$strings[] = array($entry->singular, $this->translate($entry->singular));
35
36	$post = get_post($lang->mo_id, ARRAY_A); // wp_insert_post wants an array
37
38	if (empty($post))
39	$GLOBALS['polylang']->model->clean_languages_cache(); // to set mo_id
40
41	$post['post_title'] = 'polylang_mo_' . $lang->term_id;
42	// json_encode would take less space but is slower to decode
43	// wp_insert_post expects slashed data
44	$post['post_content'] = addslashes(serialize($strings));
45	$post['post_status'] = 'publish';
46	$post['post_type'] = 'polylang_mo';
47	wp_insert_post($post);
48	}
49
50	/*
51	* reads a PLL_MO object from a custom post
52	*
53	* @since 1.2
54	*
55	* @param object $lang the language in which we want to get strings
56	*/
57	public function import_from_db($lang) {
58	if (!empty($lang->mo_id)) {
59	$post = get_post($lang->mo_id, OBJECT);
60	$strings = unserialize($post->post_content);
61	if (is_array($strings)) {
62	foreach ($strings as $msg)
63	$this->add_entry($this->make_entry($msg[0], $msg[1]));
64	}
65	}
66	}
67
68	/*
69	* returns the post id of the post storing the strings translations
70	*
71	* @since 1.4
72	*
73	* @param object $lang
74	* @return int
75	*/
76	public static function get_id($lang) {
77	global $wpdb;
78	return $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type= %s", 'polylang_mo_' . $lang->term_id, 'polylang_mo'));
79	}
80	}
81