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<!DOCTYPE html>
<html>
<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */

namespace Piwik\Validators;

use Piwik\Piwik;

class CharacterLength extends BaseValidator
{
    /**
     * @var null|int
     */
    private $min;

    /**
     * @var null|int
     */
    private $max;

    /**
     * @param null|int $min
     * @param null|int $max
     */
    public function __construct($min = null, $max = null)
    {
        if (isset($min)) {
            $this->min = (int) $min;
        }
        if (isset($max)) {
            $this->max = (int) $max;
        }
    }

    public function validate($value)
    {
        if (!is_string($value) && !is_numeric($value)) {
            return;
        }

        $lenValue = mb_strlen($value);

        if (isset($this->min) && $this->min > $lenValue) {
            throw new Exception(Piwik::translate('General_ValidatorErrorCharacterTooShort', array($lenValue, $this->min)));
        }

        if (isset($this->max) && $this->max < $lenValue) {
            throw new Exception(Piwik::translate('General_ValidatorErrorCharacterTooLong', array($lenValue, $this->max)));
        }

    }
}