lab/cacme/vendor/workerman/validation/library/Rules/Decimal.php
2024-08-05 22:57:28 +08:00

72 lines
1.4 KiB
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function is_numeric;
use function is_string;
use function number_format;
use function preg_replace;
use function var_export;
/**
* Validates the decimal
*
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class Decimal extends AbstractRule
{
/**
* @var int
*/
private $decimals;
public function __construct(int $decimals)
{
$this->decimals = $decimals;
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_numeric($input)) {
return false;
}
return $this->toFormattedString($input) === $this->toRawString($input);
}
/**
* @param mixed $input
*/
private function toRawString($input): string
{
if (is_string($input)) {
return $input;
}
return var_export($input, true);
}
/**
* @param mixed $input
*/
private function toFormattedString($input): string
{
$formatted = number_format((float) $input, $this->decimals, '.', '');
if (is_string($input)) {
return $formatted;
}
return preg_replace('/^(\d+\.\d)0*$/', '$1', $formatted) ?: '';
}
}