entityerrorcollection.php

См. документацию.

<?
 
namespace Bitrix\UI\EntitySelector;
 
use Traversable;
 
class EntityErrorCollection implements \IteratorAggregate, \JsonSerializable
{
    protected array $errors = [];
 
    public function add(EntityError $error): void
    {
        $this->errors[] = $error;
    }
 
    public function count(): int
    {
        return count($this->errors);
    }
 
    public function getErrors(): array
    {
        return $this->errors;
    }
 
    public function getEntityErrors(string $entityId): array
    {
        $entityErrors = [];
        foreach ($this->errors as $error)
        {
            if ($error->getEntityId() === $entityId)
            {
                $entityErrors[] = $error;
            }
        }
 
        return $entityErrors;
    }
 
    public function getErrorByCode($code): ?EntityError
    {
        foreach ($this->errors as $error)
        {
            if ($error->getCode() === $code)
            {
                return $error;
            }
        }
 
        return null;
    }
 
    public function jsonSerialize(): array
    {
        return $this->getErrors();
    }
 
    public function getIterator(): Traversable
    {
        return new \ArrayIterator($this->errors);
    }
}