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<?php
declare(strict_types=1);
namespace SimpleSAML\XML\Assert;
use InvalidArgumentException;
/**
* @package simplesamlphp/xml-common
*/
trait IntegerTrait
{
/** @var string */
private static string $integer_regex = '/^[+-]?(\d+)$/D';
* @param string $value
* @param string $message
protected static function validInteger(string $value, string $message = ''): void
parent::regex(
$value,
self::$integer_regex,
$message ?: '%s is not a valid xs:integer',
InvalidArgumentException::class,
);
}