⭐️ ▫️ 🎶 PHP摘要＃183（2020年6月22日至7月5日） 🏇🏻 🏏 🏂🏾

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新鲜的选择以及指向新闻和材料的链接。该版本中有关PHP 8的所有内容：第一个alpha版本，新表达式match，@@属性的语法错误，实际的JIT基准测试，4个新建议。以及一如既往的工具，文章，视频和播客。

享受阅读！

新闻和发布

PHP 8.0 alpha 1 — - PHP! .

:
- ;
- JIT;
- ;
- ;
- mixed.
PHP 8 . 3v4l.org Docker-.
`CurlHandle` class objects replace curl handlers — , PHP resource /. PHP 8 curl_ \CurlHandle.
JIT PHP 8 — JIT .

Derick Rethans , JIT , , C. Brent Roose - .

Benjamin Eberlei , JIT .
— — . 8 .

PHP Internals

[RFC] Shorter Attribute Syntax — @@.

, , , .

: function(@@X \ Y $z) function(@@X\Y $z) ( X\Y ) function(@@X \Y $z) ( X \Y ). PHP .

@@, , [RFC] Treat namespaced names as single token.

[RFC] Match expression v2 — PHP 8 match, switch, .

//    switch:
switch ('foo') {
    case 0:
      $result = "Oh no!\n";
      break;
    case 'foo':
      $result = "This is what I expected\n";
      break;
}
echo $result;
//> Oh no!

//     match:
echo match ('foo') {
    0 => "Oh no!\n",
    'foo' => "This is what I expected\n",
};
//> This is what I expected

[RFC] Allow trailing comma in closure use lists — use , .

$longArgs_longVars = function (
    $longArgument,
    $longerArgument,
    $muchLongerArgument,  //    PHP 8.0  
) use (
    $longVar1,
    $longerVar2,
    $muchLongerVar3  //     
) {
   // body
};

[RFC] Property write/set visibility — : . :

// Syntax Option A
class User {
    public:private int $id;
    public:protected string $name;
}

// Syntax Option B
class User {
    public private(set) int $id;
    public protected(set) string $name;
}

, - , PHP 8.1, RFC, , , , .

[RFC] Language Constructs Syntax Changes — declare __halt_compiler — , , echo, .
```
declare(strict_types=1);
// =>
declare strict_types = 1;
```
[RFC] Saner numeric strings — RFC .

-, «, ». echo '2str' + 2; 4, 2 E_NOTICE “A non well formed numeric value encountered” E_WARNING “A non-numeric value encountered”.

-, , "123 " == " 123" true , .