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Boundaries.php (12.15 KB)

Cast.php (1.16 KB)

Converter.php (14.12 KB)

Creator.php (31.13 KB)

Date.php (350.15 KB)

IntervalStep.php (2.86 KB)

Macro.php (2.71 KB)

MagicParameter.php (747 B)

Mixin.php (7.28 KB)

Edit: IntervalStep.php

<?php

declare(strict_types=1);

/**
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <brian@nesbot.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Carbon\Traits;

use BadMethodCallException;
use Carbon\Callback;
use Carbon\Carbon;
use Carbon\CarbonImmutable;
use Carbon\CarbonInterface;
use Closure;
use DateTimeImmutable;
use DateTimeInterface;

trait IntervalStep
{
    /**
     * Step to apply instead of a fixed interval to get the new date.
     *
     * @var Closure|null
     */
    protected ?Closure $step = null;

/**
     * Get the dynamic step in use.
     *
     * @return Closure|null
     */
    public function getStep(): ?Closure
    {
        return $this->step;
    }

/**
     * Set a step to apply instead of a fixed interval to get the new date.
     *
     * Or pass null to switch to fixed interval.
     *
     * @param Closure|null $step
     */
    public function setStep(?Closure $step): void
    {
        $this->step = $step;
    }

/**
     * Take a date and apply either the step if set, or the current interval else.
     *
     * The interval/step is applied negatively (typically subtraction instead of addition) if $negated is true.
     *
     * @param DateTimeInterface $dateTime
     * @param bool              $negated
     *
     * @return CarbonInterface
     */
    public function convertDate(DateTimeInterface $dateTime, bool $negated = false): CarbonInterface
    {
        $carbonDate = $this->carbonOrResolve($dateTime);

if ($this->step) {
            $carbonDate = Callback::parameter($this->step, $carbonDate->avoidMutation());

return $carbonDate->modify(($this->step)($carbonDate, $negated)->format('Y-m-d H:i:s.u e O'));
        }

if ($negated) {
            return $carbonDate->rawSub($this);
        }

return $carbonDate->rawAdd($this);
    }

/**
     * Convert DateTimeImmutable instance to CarbonImmutable instance and DateTime instance to Carbon instance.
     */
    private function resolveCarbon(DateTimeInterface $dateTime): Carbon|CarbonImmutable
    {
        if ($dateTime instanceof DateTimeImmutable) {
            return CarbonImmutable::instance($dateTime);
        }

return Carbon::instance($dateTime);
    }

private function carbonOrResolve(mixed $dateTime): CarbonInterface
    {
        return $dateTime instanceof CarbonInterface
            ? $dateTime
            : $this->resolveCarbon($dateTime);
    }

private function checkNoStepIsDefined(string $method): void
    {
        if ($this->step !== null) {
            $chunks = explode('::', $method, 2);
            $method = $chunks[1] ?? $method;

throw new BadMethodCallException(
                "->$method() cannot be called on an interval with a step",
            );
        }
    }
}