Online PHP editor | rfc for WhAXp

@ 2023-12-12T19:41:07Z

<?php

final class Sleep
{
    public static function for(Time $duration): void
    {
        usleep($duration->microseconds);
    }
}

readonly final class Time
{
    public function __construct(public int $microseconds)
    {
    }

    public function add(self $time): self
    {
        return self::microseconds($this->microseconds + $time->microseconds);
    }

    public static function microseconds(int $duration): self
    {
        return new self($duration);
    }

    public static function milliseconds(int $duration): self
    {
        return new self($duration * 1000);
    }
}


function check(bool $a)
{
    $sleep = Time::milliseconds(100);

    if ($a) {
        $sleep->add(Time::milliseconds(200));
    }

    Sleep::for($sleep);

    echo 'CHECK:' . (new DateTime())->format(DateTimeInterface::ATOM);
    echo PHP_EOL;
}

echo 'OUTER_TIME: ' . (new DateTime())->format(DateTimeInterface::ATOM);
echo PHP_EOL;
check(false);
echo 'OUTER_TIME: ' . (new DateTime())->format(DateTimeInterface::ATOM);
echo PHP_EOL;
check(true);
echo 'OUTER_TIME: ' . (new DateTime())->format(DateTimeInterface::ATOM);
echo PHP_EOL;

// expected output:
//OUTER_TIME: 2023-12-12T20:26:28+01:00
//Sleeping for 100 μseconds
//CHECK:2023-12-12T20:26:28+01:00
//
//OUTER_TIME: 2023-12-12T20:26:28+01:00
//Sleeping for 200 μseconds
//CHECK:2023-12-12T20:26:28+01:00
//
//OUTER_TIME: 2023-12-12T20:26:28+01:00

Output for git.master_jit, git.master: OUTER_TIME: 2023-12-12T20:41:07+01:00 CHECK:2023-12-12T20:41:07+01:00 OUTER_TIME: 2023-12-12T20:41:07+01:00 CHECK:2023-12-12T20:41:07+01:00 OUTER_TIME: 2023-12-12T20:41:07+01:00

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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