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326 lines
9.2 KiB
PHTML
326 lines
9.2 KiB
PHTML
8 months ago
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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 https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
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* @since 1.1.6
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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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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* @var FS_Cache_Manager[]
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*/
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private static $_MANAGERS = array();
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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_' . $id, WP_FS__DEBUG_SDK, WP_FS__ECHO_DEBUG_SDK );
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$this->_logger->entrance();
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$this->_logger->log( 'id = ' . $id );
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$this->_options = FS_Option_Manager::get_manager( $id, true, true, false );
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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( $id );
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if ( ! isset( self::$_MANAGERS[ $id ] ) ) {
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self::$_MANAGERS[ $id ] = new FS_Cache_Manager( $id );
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}
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return self::$_MANAGERS[ $id ];
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}
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/**
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* @author Vova Feldman (@svovaf)
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* @since 1.1.6
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*
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* @return bool
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*/
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function is_empty() {
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$this->_logger->entrance();
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return $this->_options->is_empty();
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}
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/**
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* @author Vova Feldman (@svovaf)
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* @since 1.1.6
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*/
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function clear() {
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$this->_logger->entrance();
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$this->_options->clear( true );
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}
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/**
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* Delete cache manager from DB.
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*
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* @author Vova Feldman (@svovaf)
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* @since 1.0.9
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*/
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function delete() {
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$this->_options->delete();
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}
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/**
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* 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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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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* 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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* @param null|int $expiration Since 1.2.2.7
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*
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* @return bool
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*/
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function has_valid( $key, $expiration = null ) {
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$cache_entry = $this->_options->get_option( $key, false );
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$is_valid = ( 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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if ( $is_valid &&
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is_numeric( $expiration ) &&
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isset( $cache_entry->created ) &&
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is_numeric( $cache_entry->created ) &&
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$cache_entry->created + $expiration < WP_FS__SCRIPT_START_TIME
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) {
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/**
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* Even if the cache is still valid, since we are checking for validity
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* with an explicit expiration period, if the period has past, return
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* `false` as if the cache is invalid.
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*
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* @since 1.2.2.7
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*/
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$is_valid = false;
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}
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return $is_valid;
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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 = ' . $key );
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$cache_entry = $this->_options->get_option( $key, false );
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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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return is_object( $default ) ? clone $default : $default;
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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 = ' . $key );
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$cache_entry = $this->_options->get_option( $key, false );
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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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return is_object( $default ) ? clone $default : $default;
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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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* @param int $created Since 2.0.0 Cache creation date.
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*/
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function set( $key, $value, $expiration = WP_FS__TIME_24_HOURS_IN_SEC, $created = WP_FS__SCRIPT_START_TIME ) {
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$this->_logger->entrance( 'key = ' . $key );
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$cache_entry = new stdClass();
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$cache_entry->result = $value;
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$cache_entry->created = $created;
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$cache_entry->timestamp = $created + $expiration;
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$this->_options->set_option( $key, $cache_entry, true );
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}
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/**
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* 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 = ' . $key );
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$cache_entry = $this->_options->get_option( $key, false );
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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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return false;
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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 = ' . $key );
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$this->_options->unset_option( $key, true );
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}
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/**
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* Extend cached item caching period.
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*
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* @author Vova Feldman (@svovaf)
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* @since 2.0.0
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*
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* @param string $key
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* @param int $expiration
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*
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* @return bool
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*/
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function update_expiration( $key, $expiration = WP_FS__TIME_24_HOURS_IN_SEC ) {
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$this->_logger->entrance( 'key = ' . $key );
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$cache_entry = $this->_options->get_option( $key, false );
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if ( ! is_object( $cache_entry ) ||
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! isset( $cache_entry->timestamp ) ||
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! is_numeric( $cache_entry->timestamp )
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) {
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return false;
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}
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$this->set( $key, $cache_entry->result, $expiration, $cache_entry->created );
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return true;
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}
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/**
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* Set cached item as expired.
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*
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* @author Vova Feldman (@svovaf)
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* @since 1.2.2.7
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*
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* @param string $key
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*/
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function expire( $key ) {
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$this->_logger->entrance( 'key = ' . $key );
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$cache_entry = $this->_options->get_option( $key, false );
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if ( is_object( $cache_entry ) &&
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isset( $cache_entry->timestamp ) &&
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is_numeric( $cache_entry->timestamp )
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) {
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// Set to expired.
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$cache_entry->timestamp = WP_FS__SCRIPT_START_TIME;
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$this->_options->set_option( $key, $cache_entry, true );
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}
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}
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#--------------------------------------------------------------------------------
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#region Migration
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#--------------------------------------------------------------------------------
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/**
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* Migrate options from site level.
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*
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* @author Vova Feldman (@svovaf)
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* @since 2.0.0
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*/
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function migrate_to_network() {
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$this->_options->migrate_to_network();
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}
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#endregion
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}
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