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Error Identifier: doctrine.findByArgument

Every error reported by PHPStan has an error identifier. Here’s a list of all error identifiers. In PHPStan Pro you can see the error identifier next to each error and filter errors by their identifiers.

Code example #

<?php declare(strict_types = 1);

use Doctrine\ORM\EntityManager;
use Doctrine\ORM\Mapping as ORM;

#[ORM\Entity]
class User
{
	#[ORM\Id]
	#[ORM\Column]
	public int $id;

	#[ORM\Column]
	public string $name;
}

function doFoo(EntityManager $em): void
{
	$repository = $em->getRepository(User::class);
	$repository->findBy(['nonexistent' => 'test']);
}

Why is it reported? #

The findBy() and findOneBy() methods on a Doctrine entity repository accept an array of field names as criteria. The field nonexistent does not exist on the User entity, so the call will fail at runtime with a Doctrine exception.

This rule is provided by the phpstan-doctrine extension.

How to fix it #

Use a field name that actually exists on the entity:

- $repository->findBy(['nonexistent' => 'test']);
+ $repository->findBy(['name' => 'test']);

How to ignore this error #

You can use the identifier doctrine.findByArgument to ignore this error using a comment:

// @phpstan-ignore doctrine.findByArgument
codeThatProducesTheError();

You can also use only the identifier key to ignore all errors of the same type in your configuration file in the ignoreErrors parameter:

parameters:
	ignoreErrors:
		-
			identifier: doctrine.findByArgument

Rules that report this error #

• PHPStan\Rules\Doctrine\ORM\RepositoryMethodCallRule [1] phpstan/phpstan-doctrine

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