error.php

См. документацию.

<?php
 
namespace Bitrix\Translate;
 
use Bitrix\Main;

trait Error
{
    protected $errorCollection;

    final public function addError(Main\Error $error): self
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            $this->errorCollection = new Main\ErrorCollection;
        }
 
        $this->errorCollection[] = $error;
 
        return $this;
    }

    final public function addErrors(array $errors): self
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            $this->errorCollection = new Main\ErrorCollection;
        }
 
        $this->errorCollection->add($errors);
 
        return $this;
    }

    final public function getErrors(): array
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            return array();
        }
 
        return $this->errorCollection->toArray();
    }

    final public function getErrorByCode($code): ?Main\Error
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            return null;
        }
 
        return $this->errorCollection->getErrorByCode($code);
    }

    final public function getLastError(): ?Main\Error
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            return null;
        }
        if (!$this->hasErrors())
        {
            return null;
        }
 
        $offset = $this->errorCollection->count() - 1;
 
        return $this->errorCollection->offsetGet($offset);
    }

    final public function getFirstError(): ?Main\Error
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            return null;
        }
        if (!$this->hasErrors())
        {
            return null;
        }
 
        return $this->errorCollection->offsetGet(0);
    }

    final public function hasErrors(): bool
    {
        if (!$this->errorCollection instanceof Main\ErrorCollection)
        {
            return false;
        }
 
        return !$this->errorCollection->isEmpty();
    }

    final public function hasError($code): bool
    {
        if (
            !$this->errorCollection instanceof Main\ErrorCollection ||
            $this->errorCollection->isEmpty()
        )
        {
            return false;
        }
 
        $err = $this->errorCollection->getErrorByCode($code);
 
        return ($err instanceof Main\Error);
    }
}