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<?php |
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/* |
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Plugin Name: Polylang |
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Plugin URI: http://polylang.wordpress.com/ |
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Version: 1.7.4 |
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Author: Frédéric Demarle |
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Description: Adds multilingual capability to WordPress |
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Text Domain: polylang |
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Domain Path: /languages |
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*/ |
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|
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/* |
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* Copyright 2011-2015 Frédéric Demarle |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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|
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// don't access directly |
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if (!function_exists('add_action')) |
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exit(); |
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|
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define('POLYLANG_VERSION', '1.7.4'); |
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define('PLL_MIN_WP_VERSION', '3.8'); |
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|
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define('POLYLANG_BASENAME', plugin_basename(__FILE__)); // plugin name as known by WP |
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|
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define('POLYLANG_DIR', dirname(__FILE__)); // our directory |
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define('PLL_INC', POLYLANG_DIR . '/include'); |
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define('PLL_FRONT_INC', POLYLANG_DIR . '/frontend'); |
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define('PLL_ADMIN_INC', POLYLANG_DIR . '/admin'); |
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define('PLL_INSTALL_INC', POLYLANG_DIR . '/install'); |
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|
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// default directory to store user data such as custom flags |
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if (!defined('PLL_LOCAL_DIR')) |
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define('PLL_LOCAL_DIR', WP_CONTENT_DIR . '/polylang'); |
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|
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// includes local config file if exists |
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if (file_exists(PLL_LOCAL_DIR . '/pll-config.php')) |
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include_once(PLL_LOCAL_DIR . '/pll-config.php'); |
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|
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/* |
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* controls the plugin, as well as activation, and deactivation |
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* |
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* @since 0.1 |
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*/ |
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class Polylang { |
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|
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/* |
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* constructor |
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* |
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* @since 0.1 |
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*/ |
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public function __construct() { |
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// FIXME maybe not available on every installations but widely used by WP plugins |
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spl_autoload_register(array(&$this, 'autoload')); // autoload classes |
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|
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$install = new PLL_Install(POLYLANG_BASENAME); |
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|
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// stopping here if we are going to deactivate the plugin (avoids breaking rewrite rules) |
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if ($install->is_deactivation()) |
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return; |
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|
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// plugin initialization |
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// take no action before all plugins are loaded |
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add_action('plugins_loaded', array(&$this, 'init'), 1); |
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|
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// override load text domain waiting for the language to be defined |
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// here for plugins which load text domain as soon as loaded :( |
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if (!defined('PLL_OLT') || PLL_OLT) |
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PLL_OLT_Manager::instance(); |
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|
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// loads the API |
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require_once(PLL_INC.'/api.php'); |
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|
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// WPML API |
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if (!defined('PLL_WPML_COMPAT') || PLL_WPML_COMPAT) |
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PLL_WPML_Compat::instance(); |
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|
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// extra code for compatibility with some plugins |
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if (!defined('PLL_PLUGINS_COMPAT') || PLL_PLUGINS_COMPAT) |
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PLL_Plugins_Compat::instance(); |
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} |
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|
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/* |
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* autoload classes |
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* |
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* @since 1.2 |
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* |
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* @param string $class |
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*/ |
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public function autoload($class) { |
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// not a Polylang class |
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if (0 !== strncmp('PLL_', $class, 4)) |
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return; |
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|
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$class = str_replace('_', '-', strtolower(substr($class, 4))); |
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|
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if ((0 === strpos($class, 'choose') || 0 === strpos($class, 'frontend')) && file_exists($file = PLL_FRONT_INC . "/$class.php")) |
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require_once($file); |
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|
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elseif ((0 === strpos($class, 'install') || 'upgrade' === $class) && file_exists($file = PLL_INSTALL_INC . "/$class.php")) |
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require_once($file); |
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|
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elseif ((0 === strpos($class, 'admin') || 0 === strpos($class, 'table') || 'settings' === $class || 'wp-import' === $class) && file_exists($file = PLL_ADMIN_INC . "/$class.php")) |
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require_once($file); |
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|
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elseif (file_exists($file = PLL_INC . "/$class.php")) |
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require_once($file); |
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} |
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|
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/* |
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* defines constants |
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* may be overriden by a plugin if set before plugins_loaded, 1 |
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* |
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* @since 1.6 |
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*/ |
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static public function define_constants() { |
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// our url. Don't use WP_PLUGIN_URL http://wordpress.org/support/topic/ssl-doesnt-work-properly |
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if (!defined('POLYLANG_URL')) |
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define('POLYLANG_URL', plugins_url('', __FILE__)); |
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|
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// default url to access user data such as custom flags |
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if (!defined('PLL_LOCAL_URL')) |
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define('PLL_LOCAL_URL', content_url('/polylang')); |
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|
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// cookie name. no cookie will be used if set to false |
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if (!defined('PLL_COOKIE')) |
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define('PLL_COOKIE', 'pll_language'); |
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|
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// avoid loading polylang admin for frontend ajax requests |
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// special test for plupload which does not use jquery ajax and thus does not pass our ajax prefilter |
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// special test for customize_save done in frontend but for which we want to load the admin |
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if (!defined('PLL_AJAX_ON_FRONT')) { |
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$in = isset($_REQUEST['action']) && in_array($_REQUEST['action'], array('upload-attachment', 'customize_save')); |
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define('PLL_AJAX_ON_FRONT', defined('DOING_AJAX') && DOING_AJAX && empty($_REQUEST['pll_ajax_backend']) && !$in); |
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} |
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|
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// admin |
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if (!defined('PLL_ADMIN')) |
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define('PLL_ADMIN', defined('DOING_CRON') || (is_admin() && !PLL_AJAX_ON_FRONT)); |
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|
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// settings page whatever the tab |
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if (!defined('PLL_SETTINGS')) |
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define('PLL_SETTINGS', is_admin() && isset($_GET['page']) && $_GET['page'] == 'mlang'); |
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} |
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|
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/* |
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* Polylang initialization |
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* setups models and separate admin and frontend |
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* |
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* @since 1.2 |
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*/ |
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public function init() { |
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global $polylang; |
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|
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self::define_constants(); |
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$options = get_option('polylang'); |
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|
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// plugin upgrade |
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if ($options && version_compare($options['version'], POLYLANG_VERSION, '<')) { |
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$upgrade = new PLL_Upgrade($options); |
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if (!$upgrade->upgrade()) // if the version is too old |
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return; |
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} |
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|
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$class = apply_filters('pll_model', PLL_SETTINGS ? 'PLL_Admin_Model' : 'PLL_Model'); |
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$model = new $class($options); |
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$links_model = $model->get_links_model(); |
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|
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if (PLL_ADMIN) { |
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$polylang = new PLL_Admin($links_model); |
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$polylang->init(); |
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} |
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// do nothing on frontend if no language is defined |
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elseif ($model->get_languages_list()) { |
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$polylang = new PLL_Frontend($links_model); |
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$polylang->init(); |
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} |
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|
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if (!$model->get_languages_list()) |
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do_action('pll_no_language_defined'); // to load overriden textdomains |
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|
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// load wpml-config.xml |
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if (!defined('PLL_WPML_COMPAT') || PLL_WPML_COMPAT) |
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PLL_WPML_Config::instance(); |
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|
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do_action('pll_init'); |
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} |
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} |
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|
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new Polylang(); |
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|
