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IntegerType.php
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IntegerType.php
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<?php declare(strict_types = 1);
namespace PHPStan\Type;
use PHPStan\Type\Accessory\AccessoryNumericStringType;
use PHPStan\Type\Constant\ConstantArrayType;
use PHPStan\Type\Constant\ConstantIntegerType;
use PHPStan\Type\Traits\NonCallableTypeTrait;
use PHPStan\Type\Traits\NonGenericTypeTrait;
use PHPStan\Type\Traits\NonIterableTypeTrait;
use PHPStan\Type\Traits\NonObjectTypeTrait;
use PHPStan\Type\Traits\NonOffsetAccessibleTypeTrait;
use PHPStan\Type\Traits\UndecidedBooleanTypeTrait;
use PHPStan\Type\Traits\UndecidedComparisonTypeTrait;
/** @api */
class IntegerType implements Type
{
use JustNullableTypeTrait;
use NonCallableTypeTrait;
use NonIterableTypeTrait;
use NonObjectTypeTrait;
use UndecidedBooleanTypeTrait;
use UndecidedComparisonTypeTrait;
use NonGenericTypeTrait;
use NonOffsetAccessibleTypeTrait;
/** @api */
public function __construct()
{
}
public function describe(VerbosityLevel $level): string
{
return 'int';
}
/**
* @param mixed[] $properties
*/
public static function __set_state(array $properties): Type
{
return new self();
}
public function toNumber(): Type
{
return $this;
}
public function toFloat(): Type
{
return new FloatType();
}
public function toInteger(): Type
{
return $this;
}
public function toString(): Type
{
return new IntersectionType([
new StringType(),
new AccessoryNumericStringType(),
]);
}
public function toArray(): Type
{
return new ConstantArrayType(
[new ConstantIntegerType(0)],
[$this],
1,
);
}
public function tryRemove(Type $typeToRemove): ?Type
{
if ($typeToRemove instanceof IntegerRangeType || $typeToRemove instanceof ConstantIntegerType) {
if ($typeToRemove instanceof IntegerRangeType) {
$removeValueMin = $typeToRemove->getMin();
$removeValueMax = $typeToRemove->getMax();
} else {
$removeValueMin = $typeToRemove->getValue();
$removeValueMax = $typeToRemove->getValue();
}
$lowerPart = $removeValueMin !== null ? IntegerRangeType::fromInterval(null, $removeValueMin, -1) : null;
$upperPart = $removeValueMax !== null ? IntegerRangeType::fromInterval($removeValueMax, null, +1) : null;
if ($lowerPart !== null && $upperPart !== null) {
return new UnionType([$lowerPart, $upperPart]);
}
return $lowerPart ?? $upperPart ?? new NeverType();
}
return null;
}
}