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<?php
declare(strict_types=1);
namespace BrenoRoosevelt\Validation;
use BrenoRoosevelt\Validation\Rules\NotEmpty;
trait MaybeBelongsToField
{
private ?string $field = null;
public function getField(): ?string
return $this->field;
}
public function withField(?string $field): static
if ($field !== null) {
(new NotEmpty('When provided, the field cannot be left blank'))->validateOrFail($field);
$instance = clone $this;
$instance->field = $field;
return $instance;
public function belongsToField(): bool
return $this->field !== null;
private function newEmptyValidationResult(): ValidationResult|ValidationResultByField
return
$this->belongsToField() ?
new ValidationResultByField($this->getField()) :
ValidationResult::everythingIsOk();
brenoroosevelt /
php-validation
