src/Filter/StringFilter.php
private function getOperator($type)
    {
        $choices = [
            ChoiceType::TYPE_CONTAINS => 'LIKE',
            ChoiceType::TYPE_NOT_CONTAINS => 'NOT LIKE',
            ChoiceType::TYPE_EQUAL => '=',
        ];

        return $choices[$type] ?? false;
    }
private function getOperator($type)
    {
        $choices = [
            ChoiceType::TYPE_CONTAINS => 'LIKE',
            ChoiceType::TYPE_NOT_CONTAINS => 'NOT LIKE',
            ChoiceType::TYPE_EQUAL => '=',
        ];

        return $choices[$type] ?? false;
    }
@param string $type

@return bool