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Error Identifier: doctrine.findOneByArgument

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\Mapping as ORM;

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

	#[ORM\Column]
	private string $email;
}

<?php declare(strict_types = 1);

/** @var \Doctrine\ORM\EntityRepository<User> $repository */
$user = $repository->findOneBy(['username' => 'john']);

Why is it reported? #

This error is reported by the phpstan-doctrine extension.

The criteria array passed to findOneBy() contains a key (username) that does not correspond to any field or association on the entity (User). This likely indicates a typo or a reference to a field that does not exist.

How to fix it #

Use a field name that exists on the entity:

 <?php declare(strict_types = 1);
 
 /** @var \Doctrine\ORM\EntityRepository<User> $repository */
-$user = $repository->findOneBy(['username' => 'john']);
+$user = $repository->findOneBy(['email' => 'john@example.com']);

How to ignore this error #

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

// @phpstan-ignore doctrine.findOneByArgument
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.findOneByArgument

Rules that report this error #

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

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