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File Content: `NullGuardTrait.php`

<?php

declare(strict_types=1);

namespace Laminas\Stdlib\Guard;

use Exception;
use Laminas\Stdlib\Exception\InvalidArgumentException;

use function sprintf;

/**
 * Provide a guard method against null data
 */
trait NullGuardTrait
{
    /**
     * Verify that the data is not null
     *
     * @param mixed  $data           the data to verify
     * @param string $dataName       the data name
     * @param string $exceptionClass FQCN for the exception
     * @return void
     * @throws Exception
     */
    protected function guardAgainstNull(
        mixed $data,
        $dataName = 'Argument',
        $exceptionClass = InvalidArgumentException::class
    ) {
        if (null === $data) {
            $message = sprintf('%s cannot be null', $dataName);
            throw new $exceptionClass($message);
        }
    }
}

Name	Size	Permission
AllGuardsTrait.php	223 bytes	0644
ArrayOrTraversableGuardTrait.php	1104 bytes	0644
EmptyGuardTrait.php	834 bytes	0644
NullGuardTrait.php	831 bytes	0644

File Content: NullGuardTrait.php

File Content: `NullGuardTrait.php`