NotEmptyValidator.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Main\Validation\Validator;
 
use Bitrix\Main\Localization\LocalizableMessage;
use Bitrix\Main\Validation\ValidationError;
use Bitrix\Main\Validation\ValidationResult;
use Countable;
 
class NotEmptyValidator implements ValidatorInterface
{
    public function __construct(
        private readonly bool $allowZero = false,
        private readonly bool $allowSpaces = false
    )
    {
    }
 
    public function validate(mixed $value): ValidationResult
    {
        $result = new ValidationResult();
 
        if ($this->allowZero && ($value === 0 || $value === '0'))
        {
            return $result;
        }
 
        if ($value instanceof Countable && count($value) === 0)
        {
            $result->addError(new ValidationError(
                new LocalizableMessage('MAIN_VALIDATION_NOT_EMPTY_INVALID'),
                failedValidator: $this
            ));
 
            return $result;
        }
 
        if (!$this->allowSpaces && is_string($value))
        {
            $value = trim($value);
        }
 
        if (empty($value))
        {
            $result->addError(new ValidationError(
                new LocalizableMessage('MAIN_VALIDATION_NOT_EMPTY_INVALID'),
                failedValidator: $this
            ));
        }
 
        return $result;
    }
}