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<?php
/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
** See the GNU Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/
class CLimitedSetValidator extends CValidator {
/**
* Allowed values.
*
* @var array
*/
public $values = [];
/**
* Error message if the value is invalid or is not of an acceptable type.
*
* @var string
*/
public $messageInvalid = null;
/**
* Checks if the given value belongs to some set.
*
* @param $value
*
* @return bool
*/
public function validate($value) {
if (!is_string($value) && !is_int($value)) {
if ($this->messageInvalid !== null) {
$this->error($this->messageInvalid, $this->stringify($value));
}
return false;
}
$values = array_flip($this->values);
if (!isset($values[$value])) {
if ($this->messageInvalid !== null) {
$this->error($this->messageInvalid, $value);
}
return false;
}
return true;
}
}
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