mootensai\enhancedgii\crud\Generator::generateSearchRules PHP Method

    public function generateSearchRules()
    {
        if (($table = $this->getTableSchema()) === false) {
            return ["[['" . implode("', '", $this->getColumnNames()) . "'], 'safe']"];
        }
        $types = [];
        foreach ($table->columns as $column) {
            switch ($column->type) {
                case Schema::TYPE_SMALLINT:
                case Schema::TYPE_INTEGER:
                case Schema::TYPE_BIGINT:
                    $types['integer'][] = $column->name;
                    break;
                case Schema::TYPE_BOOLEAN:
                    $types['boolean'][] = $column->name;
                    break;
                case Schema::TYPE_FLOAT:
                case Schema::TYPE_DOUBLE:
                case Schema::TYPE_DECIMAL:
                case Schema::TYPE_MONEY:
                    $types['number'][] = $column->name;
                    break;
                case Schema::TYPE_DATE:
                case Schema::TYPE_TIME:
                case Schema::TYPE_DATETIME:
                case Schema::TYPE_TIMESTAMP:
                default:
                    $types['safe'][] = $column->name;
                    break;
            }
        }
        $rules = [];
        foreach ($types as $type => $columns) {
            $rules[] = "[['" . implode("', '", $columns) . "'], '{$type}']";
        }
        return $rules;
    }