402 lines
8.7 KiB
PHP
402 lines
8.7 KiB
PHP
<?php
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namespace WPMailSMTP;
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use WPMailSMTP\Tasks\Meta;
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/**
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* Class Migration helps migrate plugin options, DB tables and more.
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*
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* @since 1.0.0 Migrate all plugin options saved from separate WP options into one.
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* @since 2.1.0 Major overhaul of this class to use DB migrations (or any other migrations per version).
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*/
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class Migration {
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/**
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* Version of the latest migration.
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*
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* @since 2.1.0
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*/
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const VERSION = 2;
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/**
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* Option key where we save the current migration version.
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*
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* @since 2.1.0
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*/
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const OPTION_NAME = 'wp_mail_smtp_migration_version';
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/**
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* Current migration version, received from self::OPTION_NAME WP option
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*
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* @since 2.1.0
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*
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* @var int
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*/
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protected $cur_ver;
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/**
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* All old values for pre 1.0 version of a plugin.
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*
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* @since 1.0.0
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*
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* @var array
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*/
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protected $old_keys = array(
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'pepipost_ssl',
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'pepipost_port',
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'pepipost_pass',
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'pepipost_user',
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'smtp_pass',
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'smtp_user',
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'smtp_auth',
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'smtp_ssl',
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'smtp_port',
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'smtp_host',
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'mail_set_return_path',
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'mailer',
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'mail_from_name',
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'mail_from',
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'wp_mail_smtp_am_notifications_hidden',
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);
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/**
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* Old values, taken from $old_keys options.
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*
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* @since 1.0.0
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*
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* @var array
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*/
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protected $old_values = array();
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/**
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* Converted array of data from previous option values.
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*
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* @since 1.0.0
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*
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* @var array
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*/
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protected $new_values = array();
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/**
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* Migration constructor.
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*
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* @since 1.0.0
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* @since 2.1.0 Redefined constructor - major overhaul.
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*/
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public function __construct() {
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$this->cur_ver = self::get_cur_version();
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$this->maybe_migrate();
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}
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/**
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* Static on purpose, to get current migration version without __construct() and validation.
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*
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* @since 2.1.0
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*
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* @return int
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*/
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public static function get_cur_version() {
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return (int) get_option( self::OPTION_NAME, 0 );
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}
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/**
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* Run the migration if needed.
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*
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* @since 2.1.0
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*/
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protected function maybe_migrate() {
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if ( ! is_admin() ) {
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return;
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}
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if ( version_compare( $this->cur_ver, self::VERSION, '<' ) ) {
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$this->run( self::VERSION );
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}
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}
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/**
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* Actual migration launcher.
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*
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* @since 2.1.0
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*
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* @param int $version The version of migration to run.
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*/
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protected function run( $version ) {
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$function_version = (int) $version;
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if ( method_exists( $this, 'migrate_to_' . $function_version ) ) {
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$this->{'migrate_to_' . $function_version}();
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} else {
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$message = sprintf( /* translators: %1$s - WP Mail SMTP, %2$s - error message. */
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esc_html__( 'There was an error while upgrading the database. Please contact %1$s support with this information: %2$s.', 'wp-mail-smtp' ),
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'<strong>WP Mail SMTP</strong>',
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'<code>migration from v' . self::get_cur_version() . ' to v' . self::VERSION . ' failed. Plugin version: v' . WPMS_PLUGIN_VER . '</code>'
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);
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WP::add_admin_notice( $message, WP::ADMIN_NOTICE_ERROR );
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}
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}
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/**
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* Update migration version in options table.
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*
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* @since 2.1.0
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*
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* @param int $version Migration version.
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*/
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protected function update_db_ver( $version ) {
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if ( empty( $version ) ) {
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$version = self::VERSION;
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}
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// Autoload it, because this value is checked all the time
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// and no need to request it separately from all autoloaded options.
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update_option( self::OPTION_NAME, $version, true );
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}
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/**
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* Prevent running the same migration twice.
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* Run migration only when required.
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*
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* @since 2.1.0
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*
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* @param string $version The version of migration to check for potential execution.
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*/
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protected function maybe_required_older_migrations( $version ) {
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if ( version_compare( $this->cur_ver, $version, '<' ) ) {
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$this->run( $version );
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}
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}
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/**
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* Migration from 0.x to 1.0.0.
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* Move separate plugin WP options to one main plugin WP option setting.
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*
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* @since 2.1.0
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*/
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private function migrate_to_1() {
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if ( $this->is_migrated() ) {
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return;
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}
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$this->old_values = $this->get_old_values();
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$this->new_values = $this->get_converted_options();
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Options::init()->set( $this->new_values, true );
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$this->update_db_ver( 1 );
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}
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/**
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* Migration from 1.x to 2.1.0.
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* Create Tasks\Meta table, if it does not exist.
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*
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* @since 2.1.0
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*/
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private function migrate_to_2() {
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$this->maybe_required_older_migrations( 1 );
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$meta = new Meta();
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// Create the table if it doesn't exist.
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if ( $meta && ! $meta->table_exists() ) {
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$meta->create_table();
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}
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$this->update_db_ver( 2 );
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}
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/**
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* Whether we already migrated or not.
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*
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* @since 1.0.0
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*
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* @return bool
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*/
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protected function is_migrated() {
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$is_migrated = false;
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$new_values = get_option( Options::META_KEY, array() );
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if ( ! empty( $new_values ) ) {
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$is_migrated = true;
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}
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return $is_migrated;
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}
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/**
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* Get all old values from DB.
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*
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* @since 1.0.0
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*
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* @return array
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*/
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protected function get_old_values() {
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$old_values = array();
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foreach ( $this->old_keys as $old_key ) {
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$value = get_option( $old_key, '' );
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if ( ! empty( $value ) ) {
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$old_values[ $old_key ] = $value;
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}
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}
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return $old_values;
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}
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/**
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* Convert old values from key=>value to a multidimensional array of data.
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*
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* @since 1.0.0
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*/
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protected function get_converted_options() {
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$converted = array();
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foreach ( $this->old_keys as $old_key ) {
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$old_value = isset( $this->old_values[ $old_key ] ) ? $this->old_values[ $old_key ] : '';
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switch ( $old_key ) {
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case 'pepipost_user':
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case 'pepipost_pass':
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case 'pepipost_port':
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case 'pepipost_ssl':
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// Do not migrate pepipost options if it's not activated at the moment.
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if ( isset( $this->old_values['mailer'] ) && $this->old_values['mailer'] === 'pepipost' ) {
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$shortcut = explode( '_', $old_key );
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if ( $old_key === 'pepipost_ssl' ) {
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$converted[ $shortcut[0] ]['encryption'] = $old_value;
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} else {
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$converted[ $shortcut[0] ][ $shortcut[1] ] = $old_value;
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}
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}
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break;
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case 'smtp_host':
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case 'smtp_port':
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case 'smtp_ssl':
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case 'smtp_auth':
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case 'smtp_user':
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case 'smtp_pass':
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$shortcut = explode( '_', $old_key );
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if ( $old_key === 'smtp_ssl' ) {
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$converted[ $shortcut[0] ]['encryption'] = $old_value;
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} elseif ( $old_key === 'smtp_auth' ) {
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$converted[ $shortcut[0] ][ $shortcut[1] ] = ( $old_value === 'true' ? 'yes' : 'no' );
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} else {
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$converted[ $shortcut[0] ][ $shortcut[1] ] = $old_value;
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}
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break;
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case 'mail_from':
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$converted['mail']['from_email'] = $old_value;
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break;
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case 'mail_from_name':
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$converted['mail']['from_name'] = $old_value;
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break;
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case 'mail_set_return_path':
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$converted['mail']['return_path'] = ( $old_value === 'true' );
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break;
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case 'mailer':
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$converted['mail']['mailer'] = ! empty( $old_value ) ? $old_value : 'mail';
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break;
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case 'wp_mail_smtp_am_notifications_hidden':
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$converted['general']['am_notifications_hidden'] = ( isset( $old_value ) && $old_value === 'true' );
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break;
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}
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}
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$converted = $this->get_converted_constants_options( $converted );
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return $converted;
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}
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/**
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* Some users use constants in wp-config.php to define values.
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* We need to prioritize them and reapply data to options.
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* Use only those that are actually defined.
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*
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* @since 1.0.0
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*
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* @param array $converted
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*
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* @return array
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*/
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protected function get_converted_constants_options( $converted ) {
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// Are we configured via constants?
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if ( ! defined( 'WPMS_ON' ) || ! WPMS_ON ) {
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return $converted;
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}
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/*
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* Mail settings.
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*/
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if ( defined( 'WPMS_MAIL_FROM' ) ) {
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$converted['mail']['from_email'] = WPMS_MAIL_FROM;
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}
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if ( defined( 'WPMS_MAIL_FROM_NAME' ) ) {
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$converted['mail']['from_name'] = WPMS_MAIL_FROM_NAME;
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}
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if ( defined( 'WPMS_MAILER' ) ) {
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$converted['mail']['mailer'] = WPMS_MAILER;
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}
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if ( defined( 'WPMS_SET_RETURN_PATH' ) ) {
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$converted['mail']['return_path'] = WPMS_SET_RETURN_PATH;
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}
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/*
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* SMTP settings.
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*/
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if ( defined( 'WPMS_SMTP_HOST' ) ) {
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$converted['smtp']['host'] = WPMS_SMTP_HOST;
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}
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if ( defined( 'WPMS_SMTP_PORT' ) ) {
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$converted['smtp']['port'] = WPMS_SMTP_PORT;
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}
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if ( defined( 'WPMS_SSL' ) ) {
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$converted['smtp']['ssl'] = WPMS_SSL;
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}
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if ( defined( 'WPMS_SMTP_AUTH' ) ) {
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$converted['smtp']['auth'] = WPMS_SMTP_AUTH;
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}
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if ( defined( 'WPMS_SMTP_USER' ) ) {
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$converted['smtp']['user'] = WPMS_SMTP_USER;
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}
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if ( defined( 'WPMS_SMTP_PASS' ) ) {
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$converted['smtp']['pass'] = WPMS_SMTP_PASS;
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}
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return $converted;
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}
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/**
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* Delete all old values that are stored separately each.
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*
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* @since 1.0.0
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*/
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protected function clean_deprecated_data() {
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foreach ( $this->old_keys as $old_key ) {
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delete_option( $old_key );
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}
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}
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}
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