HasSpecialChars.php

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<?php
/* Copyright (c) 2018 Nils Haagen <nils.haagen@concepts-and-training.de> Extended GPL, see docs/LICENSE */

namespace ILIAS\Validation\Constraints\Password;

use ILIAS\Validation\Constraints;
use ILIAS\Validation\Constraint;
use ILIAS\Data;

class HasSpecialChars extends Constraints\Custom implements Constraint
{
    protected static $ALLOWED_CHARS = '/[,_.\-#\+\*?!%§\(\)\$]/';

    public function __construct(Data\Factory $data_factory, \ilLanguage $lng)
    {
        parent::__construct(
            function (Data\Password $value) {
                return (bool) preg_match(static::$ALLOWED_CHARS, $value->toString());
            },
            function ($value) {
                return "Password must contain special chars.";
            },
            $data_factory,
            $lng
        );
    }
}