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<?php /** * The class responsible for plugin upgrade procedures. * * @since 5.0.0 * @package Shortcodes_Ultimate * @subpackage Shortcodes_Ultimate/includes / final class Shortcodes_Ultimate_Upgrade { /* * The current version of the plugin. * * @since 5.0.0 * @access private * @var string $current_version The current version of the plugin. / private $current_version; /* * Name of the option which stores plugin version. * * @since 5.0.0 * @access private * @var string $saved_version_option Name of the option which stores plugin version. / private $saved_version_option; /* * Define the functionality of the updater. * * @since 5.0.0 * @param string $plugin_version The current version of the plugin. / public function __construct( $plugin_version ) { $this->current_version = $plugin_version; $this->saved_version_option = 'su_option_version'; } /* * Run upgrades if version changed. * * @since 5.0.0 / public function maybe_upgrade() { if ( ! $this->is_version_changed() ) { return; } $this->setup_defaults(); $this->maybe_upgrade_to( '5.0.0' ); $this->maybe_upgrade_to( '5.0.7' ); $this->maybe_upgrade_to( '5.6.0' ); $this->maybe_upgrade_to( '5.9.1' ); $this->update_saved_version(); } /* * Helper function to register a new upgrade routine. * * @since 5.4.0 * @param string $version New version number. / private function maybe_upgrade_to( $version ) { if ( ! $this->is_saved_version_lower_than( $version ) ) { return; } $this->upgrade_to( $version ); } /* * Helper function to test a new upgrade routine. * * @since 5.6.0 * @param string $version New version number. / private function upgrade_to( $version ) { $upgrade_file = __DIR__ . '/upgrade/' . $version . '.php'; if ( ! file_exists( $upgrade_file ) ) { return; } include $upgrade_file; } /* * Conditional check if plugin was updated. * * @since 5.0.0 * @access private * @return boolean True if plugin was updated, False otherwise. / private function is_version_changed() { return $this->is_saved_version_lower_than( $this->current_version ); } /* * Conditional check if previous version of the plugin lower than passed one. * * @since 5.0.0 * @access private * @return boolean True if previous version of the plugin lower than passed one, False otherwise. / private function is_saved_version_lower_than( $version ) { return version_compare( get_option( $this->saved_version_option, 0 ), $version, '<' ); } /* * Save current version number. * * @since 5.0.0 * @access private / private function update_saved_version() { update_option( $this->saved_version_option, $this->current_version, false ); } /* * Setup missing default settings */ private function setup_defaults() { $defaults = su_get_config( 'default-settings' ); foreach ( $defaults as $option => $value ) { if ( get_option( $option, 0 ) === 0 ) { add_option( $option, $value ); } } } }

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