File Content: class-upgrade-history.php <?php /** * WPSEO plugin file. * * @package WPSEO\Internal */ /** * This class handles storing the current options for future reference. * * This should only be used during an upgrade routine. */ class WPSEO_Upgrade_History { /** * Option to use to store/retrieve data from. * * @var string */ protected $option_name = 'wpseo_upgrade_history'; /** * WPSEO_Upgrade_History constructor. * * @param string|null $option_name Optional. Custom option to use to store/retrieve history from. */ public function __construct( $option_name = null ) { if ( $option_name !== null ) { $this->option_name = $option_name; } } /** * Retrieves the content of the history items currently stored. * * @return array The contents of the history option. */ public function get() { $data = get_option( $this->get_option_name(), [] ); if ( ! is_array( $data ) ) { return []; } return $data; } /** * Adds a new history entry in the storage. * * @param string $old_version The version we are upgrading from. * @param string $new_version The version we are upgrading to. * @param array $option_names The options that need to be stored. */ public function add( $old_version, $new_version, array $option_names ) { $option_data = []; if ( $option_names !== [] ) { $option_data = $this->get_options_data( $option_names ); } // Retrieve current history. $data = $this->get(); // Add new entry. $data[ time() ] = [ 'options' => $option_data, 'old_version' => $old_version, 'new_version' => $new_version, ]; // Store the data. $this->set( $data ); } /** * Retrieves the data for the specified option names from the database. * * @param array $option_names The option names to retrieve. * * @return array */ protected function get_options_data( array $option_names ) { $wpdb = $this->get_wpdb(); $sql = $wpdb->prepare( ' SELECT option_value, option_name FROM ' . $wpdb->options . ' WHERE option_name IN ( ' . implode( ',', array_fill( 0, count( $option_names ), '%s' ) ) . ' ) ', $option_names ); $results = $wpdb->get_results( $sql, ARRAY_A ); $data = []; foreach ( $results as $result ) { $data[ $result['option_name'] ] = maybe_unserialize( $result['option_value'] ); } return $data; } /** * Stores the new history state. * * @param array $data The data to store. * * @return void */ protected function set( array $data ) { // This should not be autoloaded! update_option( $this->get_option_name(), $data, false ); } /** * Retrieves the WPDB object. * * @return wpdb The WPDB object to use. */ protected function get_wpdb() { global $wpdb; return $wpdb; } /** * Retrieves the option name to store the history in. * * @return string The option name to store the history in. */ protected function get_option_name() { return $this->option_name; } } Submit