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<?php
declare(strict_types=0);
namespace MartinGeorgiev\Model;
abstract class BaseRange implements RangeInterface
{
public function isLowerInfinite(): bool
return null === $this->lower;
}
public function isUpperInfinite(): bool
return null === $this->upper;
public function isEmpty(): bool
return null !== $this->lower && $this->lower === $this->upper;
public function isInfinite(): bool
return $this->isLowerInfinite() && $this->isUpperInfinite();
public function hasSingleBoundary(): bool
return !$this->isLowerInfinite() xor !$this->isUpperInfinite();
public function hasBothBoundaries(): bool
return !$this->isLowerInfinite() && !$this->isUpperInfinite();
martin-georgiev /
postgresql-for-doctrine
