<?php
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Carbon\Traits;
use Carbon\CarbonInterval;
use Carbon\Exceptions\InvalidIntervalException;
use DateInterval;
/**
* Trait to call rounding methods to interval or the interval of a period.
*/
trait IntervalRounding
{
protected function callRoundMethod(string $method, array $parameters)
{
$action = substr($method, 0, 4);
if ($action !== 'ceil') {
$action = substr($method, 0, 5);
}
if (\in_array($action, ['round', 'floor', 'ceil'])) {
return $this->{$action.'Unit'}(substr($method, \strlen($action)), ...$parameters);
}
return null;
}
protected function roundWith($precision, $function)
{
$unit = 'second';
if ($precision instanceof DateInterval) {
$precision = (string) CarbonInterval::instance($precision);
}
if (\is_string($precision) && preg_match('/^\s*(?<precision>\d+)?\s*(?<unit>\w+)(?<other>\W.*)?$/', $precision, $match)) {
if (trim($match['other'] ?? '') !== '') {
throw new InvalidIntervalException('Rounding is only possible with single unit intervals.');
}
$precision = (int) ($match['precision'] ?: 1);
$unit = $match['unit'];
}
return $this->roundUnit($unit, $precision, $function);
}
}