← All changes | polylang.php +317 -72 2.8.4 → 1.5 View file →

		@@ -1,72 +1,317 @@
1		-<?php
2		-/**
3		- * Polylang
4		- *
5		- * @package Polylang
6		- * @author WP SYNTEX
7		- * @license GPL-3.0-or-later
8		- *
9		- * @wordpress-plugin
10		- * Plugin Name: Polylang
11		- * Plugin URI: https://polylang.pro
12		- * Description: Adds multilingual capability to WordPress
13		- * Version: 2.8.4
14		- * Requires at least: 4.9
15		- * Requires PHP: 5.6
16		- * Author: WP SYNTEX
17		- * Author URI: https://polylang.pro
18		- * Text Domain: polylang
19		- * Domain Path: /languages
20		- * License: GPL v3 or later
21		- * License URI: https://www.gnu.org/licenses/gpl-3.0.txt
22		- *
23		- * Copyright 2011-2019 Frédéric Demarle
24		- * Copyright 2019-2020 WP SYNTEX
25		- *
26		- * This program is free software: you can redistribute it and/or modify
27		- * it under the terms of the GNU General Public License as published by
28		- * the Free Software Foundation, either version 3 of the License, or
29		- * (at your option) any later version.
30		- *
31		- * This program is distributed in the hope that it will be useful,
32		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
33		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
34		- * GNU General Public License for more details.
35		- *
36		- * You should have received a copy of the GNU General Public License
37		- * along with this program. If not, see <https://www.gnu.org/licenses/>.
38		- */
39		-
40		-if ( ! defined( 'ABSPATH' ) ) {
41		- exit; // Don't access directly.
42		-};
43		-
44		-if ( defined( 'POLYLANG_VERSION' ) ) {
45		- // The user is attempting to activate a second plugin instance, typically Polylang and Polylang Pro.
46		- require_once ABSPATH . 'wp-admin/includes/plugin.php';
47		- require_once ABSPATH . 'wp-includes/pluggable.php';
48		- if ( is_plugin_active( plugin_basename( __FILE__ ) ) ) {
49		- deactivate_plugins( plugin_basename( __FILE__ ) ); // Deactivate this plugin.
50		- // WP does not allow us to send a custom meaningful message, so just tell the plugin has been deactivated.
51		- wp_safe_redirect( add_query_arg( 'deactivate', 'true', remove_query_arg( 'activate' ) ) );
52		- exit;
53		- }
54		-} else {
55		- // Go on loading the plugin
56		- define( 'POLYLANG_VERSION', '2.8.4' );
57		- define( 'PLL_MIN_WP_VERSION', '4.9' );
58		- define( 'PLL_MIN_PHP_VERSION', '5.6' );
59		-
60		- define( 'POLYLANG_FILE', __FILE__ );
61		- define( 'POLYLANG_DIR', __DIR__ );
62		-
63		- if ( ! defined( 'POLYLANG_BASENAME' ) ) {
64		- define( 'POLYLANG_BASENAME', plugin_basename( __FILE__ ) ); // Plugin name as known by WP.
65		- require __DIR__ . '/vendor/autoload.php';
66		- }
67		-
68		- define( 'POLYLANG', ucwords( str_replace( '-', ' ', dirname( POLYLANG_BASENAME ) ) ) );
69		-
70		- require __DIR__ . '/include/class-polylang.php';
71		- new Polylang();
72		-}
	1	+<?php
	2	+/*
	3	+Plugin Name: Polylang
	4	+Plugin URI: http://polylang.wordpress.com/
	5	+Version: 1.5
	6	+Author: Frédéric Demarle
	7	+Description: Adds multilingual capability to WordPress
	8	+Text Domain: polylang
	9	+Domain Path: /languages
	10	+*/
	11	+
	12	+/*
	13	+ * Copyright 2011-2014 Frédéric Demarle
	14	+ *
	15	+ * This program is free software; you can redistribute it and/or modify
	16	+ * it under the terms of the GNU General Public License as published by
	17	+ * the Free Software Foundation; either version 2 of the License, or
	18	+ * (at your option) any later version.
	19	+ *
	20	+ * This program is distributed in the hope that it will be useful,
	21	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	22	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	23	+ * GNU General Public License for more details.
	24	+ *
	25	+ * You should have received a copy of the GNU General Public License
	26	+ * along with this program; if not, write to the Free Software
	27	+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
	28	+ * MA 02110-1301, USA.
	29	+ *
	30	+ */
	31	+
	32	+// don't access directly
	33	+if (!function_exists('add_action'))
	34	+ exit();
	35	+
	36	+define('POLYLANG_VERSION', '1.5');
	37	+define('PLL_MIN_WP_VERSION', '3.5');
	38	+
	39	+define('POLYLANG_BASENAME', plugin_basename(__FILE__)); // plugin name as known by WP
	40	+
	41	+define('POLYLANG_DIR', dirname(__FILE__)); // our directory
	42	+define('PLL_INC', POLYLANG_DIR . '/include');
	43	+define('PLL_FRONT_INC', POLYLANG_DIR . '/frontend');
	44	+define('PLL_ADMIN_INC', POLYLANG_DIR . '/admin');
	45	+
	46	+// default directory to store user data such as custom flags
	47	+if (!defined('PLL_LOCAL_DIR'))
	48	+ define('PLL_LOCAL_DIR', WP_CONTENT_DIR . '/polylang');
	49	+
	50	+// includes local config file if exists
	51	+if (file_exists(PLL_LOCAL_DIR . '/pll-config.php'))
	52	+ include_once(PLL_LOCAL_DIR . '/pll-config.php');
	53	+
	54	+// our url. Don't use WP_PLUGIN_URL http://wordpress.org/support/topic/ssl-doesnt-work-properly
	55	+define('POLYLANG_URL', plugins_url('/' . basename(POLYLANG_DIR)));
	56	+
	57	+// default url to access user data such as custom flags
	58	+if (!defined('PLL_LOCAL_URL'))
	59	+ define('PLL_LOCAL_URL', content_url('/polylang'));
	60	+
	61	+// cookie name. no cookie will be used if set to false
	62	+if (!defined('PLL_COOKIE'))
	63	+ define('PLL_COOKIE', 'pll_language');
	64	+
	65	+// backward compatibility WP < 3.6
	66	+// the search form js is no more needed in WP 3.6+ except if the search form is hardcoded elsewhere than in searchform.php
	67	+if (!defined('PLL_SEARCH_FORM_JS') && !version_compare($GLOBALS['wp_version'], '3.6', '<'))
	68	+ define('PLL_SEARCH_FORM_JS', false);
	69	+
	70	+/*
	71	+ * controls the plugin, as well as activation, and deactivation
	72	+ *
	73	+ * @since 0.1
	74	+ */
	75	+class Polylang {
	76	+
	77	+ /*
	78	+ * constructor
	79	+ *
	80	+ * @since 0.1
	81	+ */
	82	+ public function __construct() {
	83	+ // manages plugin activation and deactivation
	84	+ register_activation_hook( __FILE__, array(&$this, 'activate'));
	85	+ register_deactivation_hook( __FILE__, array(&$this, 'deactivate'));
	86	+
	87	+ // stopping here if we are going to deactivate the plugin (avoids breaking rewrite rules)
	88	+ if (isset($_GET['action'], $_GET['plugin']) && 'deactivate' == $_GET['action'] && plugin_basename(__FILE__) == $_GET['plugin'])
	89	+ return;
	90	+
	91	+ // avoid loading polylang admin for frontend ajax requests
	92	+ // special test for plupload which does not use jquery ajax and thus does not pass our ajax prefilter
	93	+ if (!defined('PLL_AJAX_ON_FRONT'))
	94	+ define('PLL_AJAX_ON_FRONT', defined('DOING_AJAX') && DOING_AJAX && empty($_REQUEST['pll_ajax_backend']) && !(isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action']));
	95	+
	96	+ if (!defined('PLL_ADMIN'))
	97	+ define('PLL_ADMIN', defined('DOING_CRON') || (is_admin() && !PLL_AJAX_ON_FRONT));
	98	+
	99	+ if (!defined('PLL_SETTINGS'))
	100	+ define('PLL_SETTINGS', is_admin() && isset($_GET['page']) && $_GET['page'] == 'mlang');
	101	+
	102	+ // blog creation on multisite
	103	+ add_action('wpmu_new_blog', array(&$this, 'wpmu_new_blog'));
	104	+
	105	+ // FIXME maybe not available on every installations but widely used by WP plugins
	106	+ spl_autoload_register(array(&$this, 'autoload')); // autoload classes
	107	+
	108	+ // override load text domain waiting for the language to be defined
	109	+ // here for plugins which load text domain as soon as loaded :(
	110	+ if (!defined('PLL_OLT') || PLL_OLT)
	111	+ new PLL_OLT_Manager();
	112	+
	113	+ // plugin initialization
	114	+ // take no action before all plugins are loaded
	115	+ add_action('plugins_loaded', array(&$this, 'init'), 1);
	116	+
	117	+ // loads the API
	118	+ require_once(PLL_INC.'/api.php');
	119	+
	120	+ // WPML API
	121	+ if (!defined('PLL_WPML_COMPAT') || PLL_WPML_COMPAT)
	122	+ require_once (PLL_INC.'/wpml-compat.php');
	123	+
	124	+ // extra code for compatibility with some plugins
	125	+ if (!defined('PLL_PLUGINS_COMPAT') || PLL_PLUGINS_COMPAT)
	126	+ new PLL_Plugins_Compat();
	127	+ }
	128	+
	129	+ /*
	130	+ * activation or deactivation for all blogs
	131	+ *
	132	+ * @since 1.2
	133	+ *
	134	+ * @param string $what either 'activate' or 'deactivate'
	135	+ */
	136	+ protected function do_for_all_blogs($what) {
	137	+ // network
	138	+ if (is_multisite() && isset($_GET['networkwide']) && ($_GET['networkwide'] == 1)) {
	139	+ global $wpdb;
	140	+
	141	+ foreach ($wpdb->get_col("SELECT blog_id FROM $wpdb->blogs") as $blog_id) {
	142	+ switch_to_blog($blog_id);
	143	+ $what == 'activate' ? $this->_activate() : $this->_deactivate();
	144	+ }
	145	+ restore_current_blog();
	146	+ }
	147	+
	148	+ // single blog
	149	+ else
	150	+ $what == 'activate' ? $this->_activate() : $this->_deactivate();
	151	+ }
	152	+
	153	+ /*
	154	+ * plugin activation for multisite
	155	+ *
	156	+ * @since 0.1
	157	+ */
	158	+ public function activate() {
	159	+ global $wp_version;
	160	+ load_plugin_textdomain('polylang', false, basename(POLYLANG_DIR).'/languages'); // plugin i18n
	161	+
	162	+ if (version_compare($wp_version, PLL_MIN_WP_VERSION , '<'))
	163	+ die (sprintf('<p style = "font-family: sans-serif; font-size: 12px; color: #333; margin: -5px">%s</p>',
	164	+ sprintf(__('You are using WordPress %s. Polylang requires at least WordPress %s.', 'polylang'),
	165	+ esc_html($wp_version),
	166	+ PLL_MIN_WP_VERSION
	167	+ )
	168	+ ));
	169	+
	170	+ $this->do_for_all_blogs('activate');
	171	+ }
	172	+
	173	+ /*
	174	+ * plugin activation
	175	+ *
	176	+ * @since 0.5
	177	+ */
	178	+ protected function _activate() {
	179	+ global $polylang;
	180	+
	181	+ if ($options = get_option('polylang')) {
	182	+ // plugin upgrade
	183	+ if (version_compare($options['version'], POLYLANG_VERSION, '<')) {
	184	+ $upgrade = new PLL_Upgrade($options);
	185	+ $upgrade->upgrade_at_activation();
	186	+ }
	187	+ }
	188	+ // defines default values for options in case this is the first installation
	189	+ else {
	190	+ $options = array(
	191	+ 'browser' => 1, // default language for the front page is set by browser preference
	192	+ 'rewrite' => 1, // remove /language/ in permalinks (was the opposite before 0.7.2)
	193	+ 'hide_default' => 0, // do not remove URL language information for default language
	194	+ 'force_lang' => 0, // do not add URL language information when useless
	195	+ 'redirect_lang' => 0, // do not redirect the language page to the homepage
	196	+ 'media_support' => 1, // support languages and translation for media by default
	197	+ 'sync' => array(), // synchronisation is disabled by default (was the opposite before 1.2)
	198	+ 'post_types' => array_values(get_post_types(array('_builtin' => false, 'show_ui => true'))),
	199	+ 'taxonomies' => array_values(get_taxonomies(array('_builtin' => false, 'show_ui => true'))),
	200	+ 'domains' => array(),
	201	+ 'version' => POLYLANG_VERSION,
	202	+ );
	203	+
	204	+ update_option('polylang', $options);
	205	+ }
	206	+
	207	+ // always provide a global $polylang object and add our rewrite rules if needed
	208	+ $polylang = new StdClass();
	209	+ $polylang->options = &$options;
	210	+ $polylang->model = new PLL_Admin_Model($options);
	211	+ $polylang->links_model = $this->get_links_model($polylang->model, $options);
	212	+ flush_rewrite_rules();
	213	+ }
	214	+
	215	+ /*
	216	+ * plugin deactivation for multisite
	217	+ *
	218	+ * @since 0.1
	219	+ */
	220	+ public function deactivate() {
	221	+ $this->do_for_all_blogs('deactivate');
	222	+ }
	223	+
	224	+ /*
	225	+ * plugin deactivation
	226	+ *
	227	+ * @since 0.5
	228	+ */
	229	+ protected function _deactivate() {
	230	+ flush_rewrite_rules();
	231	+ }
	232	+
	233	+ /*
	234	+ * blog creation on multisite (to set default options)
	235	+ *
	236	+ * @since 0.9.4
	237	+ *
	238	+ * @param int $blog_id
	239	+ */
	240	+ public function wpmu_new_blog($blog_id) {
	241	+ switch_to_blog($blog_id);
	242	+ $this->_activate();
	243	+ restore_current_blog();
	244	+ }
	245	+
	246	+ /*
	247	+ * autoload classes
	248	+ *
	249	+ * @since 1.2
	250	+ *
	251	+ * @param string $class
	252	+ */
	253	+ public function autoload($class) {
	254	+ $class = str_replace('_', '-', strtolower(substr($class, 4)));
	255	+ foreach (array(PLL_INC, PLL_FRONT_INC, PLL_ADMIN_INC) as $path) {
	256	+ if (file_exists($file = "$path/$class.php")) {
	257	+ require_once($file);
	258	+ break;
	259	+ }
	260	+ }
	261	+ }
	262	+
	263	+ /*
	264	+ * Polylang initialization
	265	+ * setups models and separate admin and frontend
	266	+ *
	267	+ * @since 1.2
	268	+ */
	269	+ public function init() {
	270	+ global $polylang;
	271	+
	272	+ $options = get_option('polylang');
	273	+
	274	+ // plugin upgrade
	275	+ if ($options && version_compare($options['version'], POLYLANG_VERSION, '<')) {
	276	+ $upgrade = new PLL_Upgrade($options);
	277	+ if (!$upgrade->upgrade()) // if the version is too old
	278	+ return;
	279	+ }
	280	+
	281	+ $class = apply_filters('pll_model', PLL_SETTINGS ? 'PLL_Admin_Model' : 'PLL_Model');
	282	+ $model = new $class($options);
	283	+ $links_model = $this->get_links_model($model);
	284	+
	285	+ if (PLL_ADMIN) {
	286	+ $polylang = new PLL_Admin($links_model);
	287	+ $polylang->init();
	288	+ }
	289	+ // do nothing on frontend if no language is defined
	290	+ elseif ($model->get_languages_list()) {
	291	+ $polylang = new PLL_Frontend($links_model);
	292	+ $polylang->init();
	293	+ }
	294	+ else
	295	+ do_action('pll_no_language_defined'); // to load overriden textdomains
	296	+
	297	+ // load wpml-config.xml
	298	+ if (!defined('PLL_WPML_COMPAT') || PLL_WPML_COMPAT)
	299	+ new PLL_WPML_Config;
	300	+ }
	301	+
	302	+ /*
	303	+ * setup the links model based on options
	304	+ *
	305	+ * @since 1.2
	306	+ *
	307	+ * @param object $model instance of PLL_Model
	308	+ * @return object implementing "links_model interface"
	309	+ */
	310	+ protected function get_links_model(&$model) {
	311	+ $c = array('Directory', 'Directory', 'Subdomain', 'Domain');
	312	+ $class = get_option('permalink_structure') ? 'PLL_Links_' .$c[$model->options['force_lang']] : 'PLL_Links_Default';
	313	+ return new $class($model);
	314	+ }
	315	+}
	316	+
	317	+new Polylang();