errorcollection.php

См. документацию.

<?php
 
namespace Bitrix\Forum\Internals\Error;
 
use Bitrix\Main\ArgumentTypeException;
use Bitrix\Main\Entity\Result;
use Bitrix\Main\Type\Dictionary;
 
final class ErrorCollection extends Dictionary
{
    public function __construct(array $values = null)
    {
        if($values)
        {
            foreach($values as $value)
            {
                $this->checkType($value);
            }
        }
        unset($value);
 
        parent::__construct($values);
    }

    public function add(array $errors)
    {
        foreach ($errors as $error)
        {
            $this[] = $error;
        }
        unset($error);
    }

    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;
    }

    public function getErrorByCode($code)
    {
        foreach($this->values as $error)
        {
            if($error->getCode() == $code)
            {
                return $error;
            }
        }
        unset($error);
 
        return null;
    }

    public function offsetSet($offset, $value)
    {
        $this->checkType($value);
        parent::offsetSet($offset, $value);
    }

    private function checkType($value)
    {
        if(!$value instanceof Error)
        {
            throw new ArgumentTypeException('Could not push in ErrorCollection non Error.');
        }
    }
}