Restore src/Analyser/TypeSpecifier.php

src/Analyser/TypeSpecifier.php

@@ -31,6 +31,8 @@
 use PHPStan\Type\Accessory\HasOffsetType;
 use PHPStan\Type\Accessory\HasPropertyType;
 use PHPStan\Type\Accessory\NonEmptyArrayType;
+use PHPStan\Type\ArrayType;
+use PHPStan\Type\BooleanType;
 use PHPStan\Type\ConditionalTypeForParameter;
 use PHPStan\Type\Constant\ConstantArrayTypeBuilder;
 use PHPStan\Type\Constant\ConstantBooleanType;
@@ -54,9 +56,11 @@
 use PHPStan\Type\NullType;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\ObjectWithoutClassType;
+use PHPStan\Type\ResourceType;
 use PHPStan\Type\StaticMethodTypeSpecifyingExtension;
 use PHPStan\Type\StaticType;
 use PHPStan\Type\StaticTypeFactory;
+use PHPStan\Type\StringType;
 use PHPStan\Type\Type;
 use PHPStan\Type\TypeCombinator;
 use PHPStan\Type\TypeTraverser;
@@ -1076,7 +1080,31 @@ private function specifyTypesForConstantStringBinaryExpression(
 			&& strtolower($exprNode->name->toString()) === 'gettype'
 			&& isset($exprNode->getArgs()[0])
 		) {
-			$type = GetTypeHelper::typeFromString($constantType->getValue());
+			$type = null;
+			if ($constantType->getValue() === 'string') {
+				$type = new StringType();
+			}
+			if ($constantType->getValue() === 'array') {
+				$type = new ArrayType(new MixedType(), new MixedType());
+			}
+			if ($constantType->getValue() === 'boolean') {
+				$type = new BooleanType();
+			}
+			if ($constantType->getValue() === 'resource' || $constantType->getValue() === 'resource (closed)') {
+				$type = new ResourceType();
+			}
+			if ($constantType->getValue() === 'integer') {
+				$type = new IntegerType();
+			}
+			if ($constantType->getValue() === 'double') {
+				$type = new FloatType();
+			}
+			if ($constantType->getValue() === 'NULL') {
+				$type = new NullType();
+			}
+			if ($constantType->getValue() === 'object') {
+				$type = new ObjectWithoutClassType();
+			}
 
 			if ($type !== null) {
 				return $this->create($exprNode->getArgs()[0]->value, $type, $context, false, $scope, $rootExpr);