IsNumeric.php

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<?php
/* Copyright (c) 2017 Timon Amstutz <timon.amstutz@ilub.unibe.ch> Extended GPL, see
docs/LICENSE */
 
namespace ILIAS\Validation\Constraints;
 
use ILIAS\Validation\Constraint;
use ILIAS\Data;
use ILIAS\Data\Result;
 
class IsNumeric extends Custom implements Constraint
{
    public function __construct(Data\Factory $data_factory, \ilLanguage $lng)
    {
        parent::__construct(
            function ($value) {
                return is_numeric($value);
            },
            function ($txt, $value) {
                return $txt("not_numeric", $value);
            },
            $data_factory,
            $lng
        );
    }
}