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