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<?php |
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if (!defined('ABSPATH')) { |
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die('No direct access allowed'); |
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} |
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|
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/** |
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* Adds compatibility for Polylang plugin. |
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*/ |
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class WPO_Polylang_Compatibility { |
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|
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/** |
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* Instance of this class |
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* |
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* @var WPO_Polylang_Compatibility|null |
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*/ |
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protected static $instance = null; |
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|
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/** |
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* Constructor. |
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*/ |
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private function __construct() { |
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// Check if polylang is active |
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if (!class_exists('Polylang')) { |
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return; |
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} |
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|
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// Add action hooks to delete cache for all languages |
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add_action('wpo_single_post_cache_deleted', array($this, 'polylang_delete_post_cache_for_all_languages')); |
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add_action('wpo_single_post_feed_cache_deleted', array($this, 'polylang_delete_post_feed_cache_for_all_languages')); |
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} |
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|
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/** |
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* Returns singleton instance. |
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* |
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* @return WPO_Polylang_Compatibility |
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*/ |
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public static function instance() { |
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if (null == self::$instance) { |
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self::$instance = new self; |
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} |
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|
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return self::$instance; |
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} |
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|
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/** |
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* Deletes cache files for all connected languages for a post. |
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* |
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* @param int $deleted_post_id Post id whose cache file is already deleted. |
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*/ |
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public function polylang_delete_post_cache_for_all_languages($deleted_post_id) { |
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|
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// Check if polylang translation function is available |
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if (!function_exists('pll_get_post_translations')) { |
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return; |
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} |
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|
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$translated_post_ids = pll_get_post_translations($deleted_post_id); |
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|
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// Delete cache for each translated post |
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foreach ($translated_post_ids as $post_id) { |
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if ($deleted_post_id !== $post_id) { |
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WPO_Page_Cache::really_delete_single_post_cache($post_id); |
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} |
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} |
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} |
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|
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/** |
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* Deletes cache files for all connected languages for a post feed. |
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* |
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* @param int $deleted_post_id Post id whose cache file for feed is already deleted. |
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*/ |
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public function polylang_delete_post_feed_cache_for_all_languages($deleted_post_id) { |
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|
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// Check if polylang translation function is available |
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if (!function_exists('pll_get_post_translations')) { |
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return; |
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} |
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|
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$translated_post_ids = pll_get_post_translations($deleted_post_id); |
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|
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// Delete cache for each translated post |
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foreach ($translated_post_ids as $post_id) { |
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if ($deleted_post_id !== $post_id) { |
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WPO_Page_Cache::really_delete_post_feed_cache($post_id); |
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} |
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} |
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} |
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} |
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|
