migrations = [ '1.3.0' => new Migration_1_3_0(), '1.3.2' => new Migration_1_3_2(), '1.3.8' => new Migration_1_3_8(), '1.4.0' => new Migration_1_4_0(), '1.4.1' => new Migration_1_4_1(), '1.6.2' => new Migration_1_6_2(), '1.7.8' => new Migration_1_7_8(), '1.8.0' => new Migration_1_8_0(), '1.8.1' => new Migration_1_8_1(), '1.8.5' => new Migration_1_8_5(), ]; } public function runMigrations($currentVersion, $newVersion) { foreach ($this->migrations as $version => $migration) { if (version_compare($currentVersion, $version, '<')) $migration->up(); } update_option('sync_basalam_version', $newVersion); } }