requireImplements.nonObject

Code example

<?php declare(strict_types = 1);

/**
 * @phpstan-require-implements int
 */
trait MyTrait // ERROR: PHPDoc tag @phpstan-require-implements contains non-object type int.
{
}

Why is it reported?

The @phpstan-require-implements PHPDoc tag must reference an interface (object) type. Scalar types like int, string, bool, union types, or other non-object types cannot be implemented by a class and are therefore not valid in this tag.

How to fix it

Replace the non-object type with an interface:

 <?php declare(strict_types = 1);

+interface Countable
+{
+	public function count(): int;
+}
+
 /**
- * @phpstan-require-implements int
+ * @phpstan-require-implements Countable
  */
 trait MyTrait
 {
 }

If the requirement is about a specific type constraint that is not an interface, consider whether @phpstan-require-extends (for classes) or another mechanism is more appropriate.