yii\console\controllers\BaseMigrateController::getNewMigrations PHP 메소드

    protected function getNewMigrations()
    {
        $applied = [];
        foreach ($this->getMigrationHistory(null) as $class => $time) {
            $applied[trim($class, '\\')] = true;
        }
        $migrationPaths = [];
        if (!empty($this->migrationPath)) {
            $migrationPaths[''] = $this->migrationPath;
        }
        foreach ($this->migrationNamespaces as $namespace) {
            $migrationPaths[$namespace] = $this->getNamespacePath($namespace);
        }
        $migrations = [];
        foreach ($migrationPaths as $namespace => $migrationPath) {
            if (!file_exists($migrationPath)) {
                continue;
            }
            $handle = opendir($migrationPath);
            while (($file = readdir($handle)) !== false) {
                if ($file === '.' || $file === '..') {
                    continue;
                }
                $path = $migrationPath . DIRECTORY_SEPARATOR . $file;
                if (preg_match('/^(m(\\d{6}_?\\d{6})\\D.*?)\\.php$/is', $file, $matches) && is_file($path)) {
                    $class = $matches[1];
                    if (!empty($namespace)) {
                        $class = $namespace . '\\' . $class;
                    }
                    $time = str_replace('_', '', $matches[2]);
                    if (!isset($applied[$class])) {
                        $migrations[$time . '\\' . $class] = $class;
                    }
                }
            }
            closedir($handle);
        }
        ksort($migrations);
        return array_values($migrations);
    }