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Current File : /home2/selectio/www/mm-tailor-billing/vendor/zendframework/zend-validator/src/Digits.php

<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Validator;

use Zend\Filter\Digits as DigitsFilter;

class Digits extends AbstractValidator
{
    const NOT_DIGITS   = 'notDigits';
    const STRING_EMPTY = 'digitsStringEmpty';
    const INVALID      = 'digitsInvalid';

    /**
     * Digits filter used for validation
     *
     * @var \Zend\Filter\Digits
     */
    protected static $filter = null;

    /**
     * Validation failure message template definitions
     *
     * @var array
     */
    protected $messageTemplates = [
        self::NOT_DIGITS   => "The input must contain only digits",
        self::STRING_EMPTY => "The input is an empty string",
        self::INVALID      => "Invalid type given. String, integer or float expected",
    ];

    /**
     * Returns true if and only if $value only contains digit characters
     *
     * @param  string $value
     * @return bool
     */
    public function isValid($value)
    {
        if (! is_string($value) && ! is_int($value) && ! is_float($value)) {
            $this->error(self::INVALID);
            return false;
        }

        $this->setValue((string) $value);

        if ('' === $this->getValue()) {
            $this->error(self::STRING_EMPTY);
            return false;
        }

        if (null === static::$filter) {
            static::$filter = new DigitsFilter();
        }

        if ($this->getValue() !== static::$filter->filter($this->getValue())) {
            $this->error(self::NOT_DIGITS);
            return false;
        }

        return true;
    }
}

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