errorcollection.php

См. документацию.

<?php
 
namespace Bitrix\Lists\Internals\Error;
 
use Bitrix\Main\Entity\Result;
use Bitrix\Main;
 
final class ErrorCollection extends Main\ErrorCollection
{
    public function addOne(Error $error)
    {
        $this[] = $error;
    }

    public function addFromResult(Result $result)
    {
        $errors = array();
        foreach ($result->getErrorMessages() as $message)
        {
            $errors[] = new Error($message);
        }
        unset($message);
 
        $this->add($errors);
    }

    public function hasErrors()
    {
        return (bool)count($this);
    }

    public function getErrorsByCode($code)
    {
        $needle = array();
        foreach($this->values as $error)
        {
            if($error->getCode() == $code)
            {
                $needle[] = $error;
            }
        }
        unset($error);
 
        return $needle;
    }
}