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options = $options; $this->purge = $purge; } /** * {@inheritdoc} */ public static function get_subscribed_events() { return [ 'init' => 'schedule_event', 'rocket_deactivation' => 'unschedule_event', static::EVENT_NAME => 'purge_expired_files', 'cron_schedules' => 'custom_cron_schedule', 'update_option_' . WP_ROCKET_SLUG => [ 'clean_expired_cache_scheduled_event', 10, 2 ], ]; } /** * Clean expired cache scheduled event when Lifespan is changed to minutes. * * @since 3.4.3 * @author Soponar Cristina * * @param array $old_value An array of previous values for the settings. * @param array $value An array of submitted values for the settings. */ public function clean_expired_cache_scheduled_event( $old_value, $value ) { if ( empty( $value['purge_cron_unit'] ) ) { return; } $old_value['purge_cron_unit'] = isset( $old_value['purge_cron_unit'] ) ? $old_value['purge_cron_unit'] : ''; $unit_list = [ 'HOUR_IN_SECONDS', 'DAY_IN_SECONDS' ]; // Bail out if the cron unit is changed from hours to days. // Allow clean scheduled event when is changed from Minutes to Hours or Days, or the other way around. $allow_clear_event = false; if ( in_array( $old_value['purge_cron_unit'], $unit_list, true ) && 'MINUTE_IN_SECONDS' === $value['purge_cron_unit'] ) { $allow_clear_event = true; } if ( in_array( $value['purge_cron_unit'], $unit_list, true ) && 'MINUTE_IN_SECONDS' === $old_value['purge_cron_unit'] ) { $allow_clear_event = true; } // Allow if interval is changed when unit is set to minutes. if ( 'MINUTE_IN_SECONDS' === $old_value['purge_cron_unit'] && 'MINUTE_IN_SECONDS' === $value['purge_cron_unit'] && $old_value['purge_cron_interval'] !== $value['purge_cron_interval'] ) { $allow_clear_event = true; } // Bail out if the cron unit is not changed from minutes to hours / days or other way around. if ( ! $allow_clear_event ) { return; } $this->unschedule_event(); } /** * Adds a custom cron schedule based on purge lifespan interval. * * @since 3.4.3 * @access public * @author Soponar Cristina * * @param array $schedules An array of non-default cron schedules. */ public function custom_cron_schedule( $schedules ) { $schedules['rocket_expired_cache_cron_interval'] = [ 'interval' => $this->get_interval(), 'display' => __( 'WP Rocket Expired Cache Interval', 'rocket' ), ]; return $schedules; } /** ----------------------------------------------------------------------------------------- */ /** HOOK CALLBACKS ========================================================================== */ /** ----------------------------------------------------------------------------------------- */ /** * Scheduling the cron event. * If the task is not programmed, it is automatically added. * * @since 3.4 * @access public * @author Grégory Viguier */ public function schedule_event() { if ( $this->get_cache_lifespan() && ! wp_next_scheduled( static::EVENT_NAME ) ) { $interval = $this->get_interval(); wp_schedule_event( time() + $interval, 'rocket_expired_cache_cron_interval', static::EVENT_NAME ); } } /** * Gets the interval when the scheduled clean cache purge needs to run. * If Minutes option is selected, then the interval will be set to minutes. * If Hours / Days options are selected, then it will be set to 1 hour. * * @since 3.4.3 * @access private * @author Soponar Cristina * * @return int $interval Interval time in seconds. */ private function get_interval() { $unit = $this->options->get( 'purge_cron_unit' ); $lifespan = $this->options->get( 'purge_cron_interval', 10 ); $interval = HOUR_IN_SECONDS; if ( ! $unit || ! defined( $unit ) ) { $unit = 'HOUR_IN_SECONDS'; } if ( 'MINUTE_IN_SECONDS' === $unit ) { $interval = $lifespan * MINUTE_IN_SECONDS; } return $interval; } /** * Unschedule the event. * * @since 3.4 * @access public * @author Grégory Viguier */ public function unschedule_event() { wp_clear_scheduled_hook( static::EVENT_NAME ); } /** * Perform the event action. * * @since 3.4 * @access public * @author Grégory Viguier */ public function purge_expired_files() { $this->purge->purge_expired_files( $this->get_cache_lifespan() ); } /** * Get the cache lifespan in seconds. * If no value is filled in the settings, return 0. It means the purge is disabled. * If the value from the settings is filled but invalid, fallback to the initial value (10 hours). * * @since 3.4 * @access public * @author Grégory Viguier * * @return int The cache lifespan in seconds. */ public function get_cache_lifespan() { $lifespan = $this->options->get( 'purge_cron_interval' ); if ( ! $lifespan ) { return 0; } $unit = $this->options->get( 'purge_cron_unit' ); if ( $lifespan < 0 || ! $unit || ! defined( $unit ) ) { return 10 * HOUR_IN_SECONDS; } return $lifespan * constant( $unit ); } }