File Content: class-migration.php <?php if ( ! defined( 'ABSPATH' ) ) { exit; } if ( ! class_exists( 'XT_Framework_Migration' ) ) { /** * Class that takes care of migrations. * * @package XT_Framework * @subpackage XT_Framework/includes * @author XplodedThemes */ class XT_Framework_Migration { /** * Core class reference. * * @since 1.0.0 * @access private * @var XT_Framework core Core Class */ private $core; public $version_key; public $installed_time_key; public $changelog_viewed_key; public $new_version; public $old_version; public $installed_time; public $changelog_viewed; public $migrations = array(); public function __construct( $core ) { $this->core = $core; $this->version_key = $this->get_version_key(); $this->installed_time_key = $this->get_installed_time_key(); $this->changelog_viewed_key = $this->get_changelog_viewed_key(); $this->new_version = $this->core->plugin_version(); $this->changelog_viewed = (bool)get_option( $this->changelog_viewed_key ); $this->old_version = get_option( $this->version_key ); $this->installed_time = intval(get_option( $this->installed_time_key )); if(empty($this->installed_time)) { $this->installed_time = time(); update_option( $this->installed_time_key, $this->installed_time ); } add_action( 'init', array( $this, 'upgrade' ), 10 ); } function get_version_key() { return $this->core->plugin_slug( 'version' ); } function get_installed_time_key() { return $this->core->plugin_slug( 'installed_time' ); } function get_changelog_viewed_key() { return $this->core->plugin_slug( 'changelog_viewed' ); } function get_migrations() { $files = glob( $this->core->plugin_path( 'admin/migrations', 'migration-*.php' ) ); $migrations = array(); foreach ( $files as $file ) { preg_match( '/migration\-(.+?)\.php/', $file, $matches ); $migrations[] = $matches[1]; } return $migrations; } function upgrade() { if ( $this->new_version !== $this->old_version ) { $migrations = $this->get_migrations(); foreach ( $migrations as $migration ) { if ( $this->old_version < $migration ) { $this->migrate( $migration ); } } // End Migrations update_option( $this->version_key, $this->new_version ); $this->after_upgrade(); } } function migrate( $version ) { $path = $this->core->plugin_path( 'admin/migrations', 'migration-' . $version . '.php' ); if ( file_exists( $path ) ) { require_once $path; } } function after_upgrade() { $this->set_changelog_viewed(false); do_action( $this->core->plugin_prefix( 'migration_complete' ), $this->core ); } function has_unviewed_changelog() { return !$this->changelog_viewed; } function set_changelog_viewed($viewed = true) { $this->changelog_viewed = $viewed; update_option( $this->changelog_viewed_key, intval($viewed)); } } } Submit