warning.php

См. документацию.

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

trait Warning
{
    protected $warningCollection;

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

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

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

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

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