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<?php |
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/** |
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* @package Freemius |
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* @copyright Copyright (c) 2015, Freemius, Inc. |
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* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License |
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* @since 1.1.6 |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class FS_Cache_Manager { |
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/** |
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* @var FS_Option_Manager |
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*/ |
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private $_options; |
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/** |
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* @var FS_Logger |
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*/ |
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private $_logger; |
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|
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/** |
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* @var FS_Cache_Manager[] |
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*/ |
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private static $_MANAGERS = array(); |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.3 |
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* |
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* @param string $id |
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*/ |
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private function __construct( $id ) { |
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$this->_logger = FS_Logger::get_logger( WP_FS__SLUG . '_cach_mngr_' . $id, WP_FS__DEBUG_SDK, WP_FS__ECHO_DEBUG_SDK ); |
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|
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$this->_logger->entrance(); |
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$this->_logger->log( 'id = ' . $id ); |
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|
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$this->_options = FS_Option_Manager::get_manager( $id, true ); |
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} |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param $id |
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* |
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* @return FS_Cache_Manager |
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*/ |
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static function get_manager( $id ) { |
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$id = strtolower( $id ); |
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|
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if ( ! isset( self::$_MANAGERS[ $id ] ) ) { |
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self::$_MANAGERS[ $id ] = new FS_Cache_Manager( $id ); |
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} |
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|
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return self::$_MANAGERS[ $id ]; |
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} |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @return bool |
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*/ |
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function is_empty() { |
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$this->_logger->entrance(); |
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|
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return $this->_options->is_empty(); |
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} |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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*/ |
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function clear() { |
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$this->_logger->entrance(); |
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|
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$this->_options->clear( true ); |
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} |
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|
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/** |
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* Delete cache manager from DB. |
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* |
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* @author Vova Feldman (@svovaf) |
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* @since 1.0.9 |
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*/ |
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function delete() { |
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$this->_options->delete(); |
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} |
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|
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/** |
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* Check if there's a cached item. |
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* |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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function has( $key ) { |
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$cache_entry = $this->_options->get_option( $key, false ); |
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|
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return ( is_object( $cache_entry ) && |
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isset( $cache_entry->timestamp ) && |
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is_numeric( $cache_entry->timestamp ) |
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); |
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} |
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|
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/** |
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* Check if there's a valid cached item. |
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* |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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function has_valid( $key ) { |
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$cache_entry = $this->_options->get_option( $key, false ); |
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|
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return ( is_object( $cache_entry ) && |
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isset( $cache_entry->timestamp ) && |
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is_numeric( $cache_entry->timestamp ) && |
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$cache_entry->timestamp > WP_FS__SCRIPT_START_TIME |
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); |
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} |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param string $key |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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function get( $key, $default = null ) { |
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$this->_logger->entrance( 'key = ' . $key ); |
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|
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$cache_entry = $this->_options->get_option( $key, false ); |
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|
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if ( is_object( $cache_entry ) && |
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isset( $cache_entry->timestamp ) && |
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is_numeric( $cache_entry->timestamp ) |
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) { |
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return $cache_entry->result; |
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} |
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|
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return $default; |
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} |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param string $key |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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function get_valid( $key, $default = null ) { |
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$this->_logger->entrance( 'key = ' . $key ); |
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|
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$cache_entry = $this->_options->get_option( $key, false ); |
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|
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if ( is_object( $cache_entry ) && |
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isset( $cache_entry->timestamp ) && |
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is_numeric( $cache_entry->timestamp ) && |
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$cache_entry->timestamp > WP_FS__SCRIPT_START_TIME |
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) { |
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return $cache_entry->result; |
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} |
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|
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return $default; |
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} |
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|
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/** |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param string $key |
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* @param mixed $value |
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* @param int $expiration |
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*/ |
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function set( $key, $value, $expiration = WP_FS__TIME_24_HOURS_IN_SEC ) { |
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$this->_logger->entrance( 'key = ' . $key ); |
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|
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$cache_entry = new stdClass(); |
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$cache_entry->result = $value; |
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$cache_entry->timestamp = WP_FS__SCRIPT_START_TIME + $expiration; |
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$this->_options->set_option( $key, $cache_entry, true ); |
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} |
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|
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/** |
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* Get cached record expiration, or false if not cached or expired. |
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* |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.7.3 |
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* |
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* @param string $key |
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* |
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* @return bool|int |
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*/ |
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function get_record_expiration( $key ) { |
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$this->_logger->entrance( 'key = ' . $key ); |
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|
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$cache_entry = $this->_options->get_option( $key, false ); |
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|
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if ( is_object( $cache_entry ) && |
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isset( $cache_entry->timestamp ) && |
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is_numeric( $cache_entry->timestamp ) && |
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$cache_entry->timestamp > WP_FS__SCRIPT_START_TIME |
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) { |
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return $cache_entry->timestamp; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Purge cached item. |
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* |
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* @author Vova Feldman (@svovaf) |
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* @since 1.1.6 |
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* |
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* @param string $key |
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*/ |
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function purge( $key ) { |
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$this->_logger->entrance( 'key = ' . $key ); |
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|
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$this->_options->unset_option( $key, true ); |
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} |
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} |