Clever Geek Handbook

PHP Digest # 201 (15 - 29 March 2021)

Fresh selection with links to news and materials. In the release: everything about fibers and asynchronous PHP, as well as new lambdas, type intersections and other proposals for PHP 8.1. Upcoming events, a portion of useful tools, articles, podcasts, videos and PHP Digest Stream.



Enjoy reading!









news





Async PHP



  • [RFC] Fibers β€” PHP 8.1



    Swoole - .



    β€” , ( ). , . PHP. 



    $fiber = new Fiber(function (): void {
    $value = Fiber::suspend('suspend');
    echo "Value used to resume fiber: ", $value, "\n";
});

$value = $fiber->start();

echo "Value from fiber suspending: ", $value, "\n";

$fiber->resume('resume');

>   :
Value from fiber suspending: suspend
Value used to resume fiber: resume


    , PHP 8.1 ?

    . ReactPHP, Amp . , , .



    :

    β€’ Fibers β€” PHP 8.1 β€” RFC PHP.Watch.

    β€’ PHP: PHP? β€” ReactPHP .

     

    PHP 8.1 ext-fiber. , PHP 7.2.



  • PHP β€” : , , /. , PHP Β«- Β».
  • Asynchronous PHP β€” Multiprocessing, Multithreading & Coroutines β€” PHP core team Laravel.


PHP Internals



  • [RFC] Auto-capturing multi-statement closures

    Larry Garfield Nuno Moduro .



    .



    : 

    $y = 1;

$fn1 = fn($x) => $x + $y;


    : 

    $fn2 = function ($x) use ($y): int {
   // ...
   return $x + $y;
};


    : 

    $c = 1;
$foo = fn($a, $b):int {
  // ...
  $val = $a * $b;
  return $val * $c;
};


  • [RFC] Short Functions

    RFC . 



    // 
function add(int $a, int $b): int
{
    return $a + $b;
}

// 
function add(int $a, int $b): int => $a + $b;


    : 
    class Person
{
    public function __construct(
        private string $firstName,
        private string $lastName,
    ) {}

    public function getFirstName(): string => $this->firstName;

    public function getLastName(): string => $this->lastName;

    public function getFullName(): string => $this->firstName . ' ' . $this->lastName;
}


    , PHP
    β€’ =>



    (, , , match).

    β€’ { ... }



    , return



    .

    β€’ function



    .

    β€’ fn



    , .

    β€’ , .


  • [RFC] Deprecations for PHP 8.1

    . PHP 8.1 dreprecation notice, PHP 9 .



    : mysqli::init()



    , key(), current(), next(), prev(), and reset() , .
  • [RFC] Pure intersection types

    PHP 8.0 , RFC .



    TypeA&TypeB



    , instanceof TypeA



    instanceof TypeB



    . 



    class A {
    private Traversable&Countable $countableIterator;

    public function setIterator(Traversable&Countable $countableIterator): void {
        $this->countableIterator = $countableIterator;
    }

    public function getIterator(): Traversable&Countable {
        return $this->countableIterator;
    }
}


    pure intersection types, union .
  • [Draft] Add FPM early bootstrapping mode

    Benjamin Eberlei ( PHP 8) fpm.bootstrap_file



    . , FPM . , FPM-, .



    , , , , , , .





    - auto_prepend_file.

  • PHP JIT/arm64 port β€” ARM PHP JIT ARM-.
  • [RFC] mysqli bind in execute β€” .






Symfony





Laravel





Yii









/







  • phpday:







A stream based on the PHP Digest will be hosted by Petr Myazin, the author of the Pyatiminutka PHP podcast, with me today .



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