public function up()
{
$this->createTable(\app\models\Author::tableName(), ['id' => Schema::TYPE_PK, 'firstname' => Schema::TYPE_STRING . ' NOT NULL', 'lastname' => Schema::TYPE_STRING]);
$authors = [['firstname' => 'Harper', 'lastname' => 'Lee'], ['firstname' => 'Tom', 'lastname' => 'Rath'], ['firstname' => 'Roger', 'lastname' => 'Priddy']];
foreach ($authors as $a) {
$author = new \app\models\Author();
$author->attributes = $a;
$author->save();
}
}
