PHP摘要177（2020年3月23日至4月6日）

带有新闻和资料链接的新鲜选择。在发行版中：PHP 8发行时间表，对PHP对象的人体工程学分析以及来自PHP Internals的5个最新RFC的分析，一些有用的工具，视频，播客等等。

享受阅读！

PHP内部

• 已发布的PHP发布时间表8-预计第一个alpha版本将于6月18日发布，最终版本将于12月3日发布。更多细节。
• [RFC] Constructor Property Promotion — PHP, , 3 RFC: Constructor Promotion, Named parameters, Compound Property Visibility ( {public get, private set}).
  
  , RFC :
  
  

  class Point {
      public float $x;
      public float $y;
      public float $z;
  
      public function __construct(
          float $x = 0.0,
          float $y = 0.0,
          float $z = 0.0
      ) {
          $this->x = $x;
          $this->y = $y;
          $this->z = $z;
      }
  }
  

  
  :
  
  

  class Point {
      public function __construct(
          public float $x = 0.0,
          public float $y = 0.0,
          public float $z = 0.0
      ) {}
  }
  

• [RFC] Allow trailing comma in parameter list — , . PHP 7.3.
  
  

  class Uri {
      private function __construct(
          ?string $scheme,
          ?string $user,
          ?string $pass,
          ?string $host,
          ?int $port,
          string $path,
          ?string $query,
          ?string $fragment // <-- ARGH!
      ) {
          ...
      }
  }
  

• [RFC] Stricter type checks for arithmetic/bitwise operators — RFC TypeError, , .
  
  

  var_dump([] % [42]);
  // int(0)
  // WTF?
  

• [RFC] Switch expression — switch , :
  
  

  $expressionResult = switch ($condition) {
      1 => foo(),
      2 => bar(),
      3, 4, 5 => baz(),
  };
  

  
  RFC case: case 3, 4, 5: break; case 3: case 4: case 5: break;.
• [RFC] Type casting in array destructuring expressions — :
  
  

  [(int) $now, (int) $future] = ["2020", "2021"];
  
  //    ,  
  [$now, $future] = ["2020", "2021"];
  $now = (int) $now;
  $future = (int) $future;
  

  
  , :
  
  

  ...[int $i] = ['a' => '123'];
  
  function foo(...[int $i]) {
  }
  
  foo(['a' => '234']);
  

  
  :
  
  

  $var = (Foo) [
      'a' => 123,
      'b' => (Bar) [
          'c' => // ...
      ],
  ];
  

• : Server-Side Request and Response Objects, Userspace operator overloading, Write-Once (readonly) Properties.

• TitasGailius/terminal — symfony/process PHP.
• rlanvin/php-ip — IPv4/IPv6 PHP, ipaddress Python.
• ramsey/collection — Java.
• clue/graph-composer — composer- .

Symfony

• Symfony #692 (30 — 5 2020)
• symfony/messenger.
• Symfony 4 + Twig.

Laravel

• 6 Laravel Eloquent .
• Laravel Livewire.
• Laravel.
• Blade Laravel 7.
• Laravel.
• - Laravel Model Factories.

Yii

• Yii 2020, 3

• -.
• Circuit Breaker ackintosh/ganesha.
• .
• «» rectorphp/rector.
• (-?).
• ImpressCMS $_SERVER['PHP_SELF'].
• SerafimArts/opengl-demo — OpenGL (SDL) PHP FFI. (!)
• CodeIgniter 4 ( ).
• Doctrine ODM -.
• Spiral: PHP/Go .

/

• - PHP: , , CQRS, GraphQL, .
• PHP Internals News: Episode 47: Attributes v2 — Benjamin Eberlei PHP RFC Attributes v2. , .
• PHP Internals News: Episode 46: str_contains() — C Philipp Tanlak str_contains() RFC.
• PHP № 76: PHP middle-?
• №2: GraphQL.

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