{"id":3081,"date":"2025-03-21T00:15:39","date_gmt":"2025-03-20T16:15:39","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3081"},"modified":"2025-03-21T00:15:39","modified_gmt":"2025-03-20T16:15:39","slug":"php-8%e6%96%b0%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/21\/php-8%e6%96%b0%e7%89%b9%e6%80%a7\/","title":{"rendered":"PHP 8\u65b0\u7279\u6027"},"content":{"rendered":"\n<p>PHP 8 \u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u7279\u6027\u548c\u6539\u8fdb\uff0c\u76f8\u6bd4\u4e8e PHP 7\uff0cPHP 8 \u66f4\u52a0\u6ce8\u91cd\u6027\u80fd\u63d0\u5347\u3001\u4ee3\u7801\u7b80\u6d01\u6027\u4ee5\u53ca\u66f4\u5f3a\u5927\u7684\u5f00\u53d1\u529f\u80fd\u3002\u4ee5\u4e0b\u662f PHP 8 \u7684\u4e00\u4e9b\u5173\u952e\u65b0\u7279\u6027\u548c\u6539\u8fdb\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. JIT\uff08Just-in-Time\uff09\u7f16\u8bd1\u5668<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86 <strong>JIT \u7f16\u8bd1\u5668<\/strong>\uff0c\u8fd9\u662f\u4e00\u9879\u91cd\u5927\u7684\u6027\u80fd\u63d0\u5347\uff0c\u80fd\u591f\u5c06\u90e8\u5206 PHP \u4ee3\u7801\u8f6c\u6362\u4e3a\u673a\u5668\u7801\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\uff0c\u5c24\u5176\u662f CPU \u5bc6\u96c6\u578b\u64cd\u4f5c\u3002JIT \u7684\u5f15\u5165\u4f7f\u5f97 PHP \u53ef\u4ee5\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\u6bd4 PHP 7 \u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>JIT \u7f16\u8bd1\u5668\u53ef\u4ee5\u901a\u8fc7 <strong><code>opcache<\/code><\/strong> \u6269\u5c55\u542f\u7528\u3002<\/li>\n\n\n\n<li>\u5c24\u5176\u9002\u7528\u4e8e\u7b97\u6cd5\u8ba1\u7b97\u7b49 CPU \u5bc6\u96c6\u578b\u7684\u4efb\u52a1\uff0c\u4f46\u5bf9\u4e8e\u5927\u591a\u6570 Web \u5e94\u7528\uff0c\u6027\u80fd\u63d0\u5347\u5e76\u4e0d\u663e\u8457\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>opcache.enable=1\nopcache.jit=1255<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. \u6784\u9020\u51fd\u6570\u5c5e\u6027\u63d0\u5347\uff08Constructor Property Promotion\uff09<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u8bed\u6cd5\uff0c\u5141\u8bb8\u4f60\u5728\u6784\u9020\u51fd\u6570\u53c2\u6570\u4e2d\u76f4\u63a5\u58f0\u660e\u7c7b\u5c5e\u6027\uff0c\u7b80\u5316\u4e86\u4ee3\u7801\u5e76\u51cf\u5c11\u4e86\u5197\u4f59\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>class Point {\n    public function __construct(\n        public float $x,\n        public float $y\n    ) {}\n}\n\n$p = new Point(1.0, 2.0);\necho $p-&gt;x;  \/\/ \u8f93\u51fa\uff1a1.0<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc \u4f60\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u51fd\u6570\u76f4\u63a5\u58f0\u660e\u5e76\u521d\u59cb\u5316\u7c7b\u7684\u5c5e\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Union Types\uff08\u8054\u5408\u7c7b\u578b\uff09<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u652f\u6301 <strong>\u8054\u5408\u7c7b\u578b\u58f0\u660e<\/strong>\uff0c\u5141\u8bb8\u51fd\u6570\u6216\u65b9\u6cd5\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u63a5\u53d7\u591a\u4e2a\u7c7b\u578b\u3002\u4f60\u53ef\u4ee5\u5728\u51fd\u6570\u4e2d\u58f0\u660e\u591a\u4e2a\u7c7b\u578b\uff0c\u800c\u4e0d\u518d\u4ec5\u9650\u4e8e\u5355\u4e00\u7c7b\u578b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>function add(int|float $a, int|float $b): int|float {\n    return $a + $b;\n}\n\necho add(10, 20);  \/\/ \u8f93\u51fa\uff1a30\necho add(10.5, 20);  \/\/ \u8f93\u51fa\uff1a30.5<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc \u8054\u5408\u7c7b\u578b\u8ba9\u51fd\u6570\u7684\u7075\u6d3b\u6027\u66f4\u5f3a\uff0c\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Match Expression\uff08\u5339\u914d\u8868\u8fbe\u5f0f\uff09<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86 <strong><code>match<\/code><\/strong> \u8868\u8fbe\u5f0f\uff0c\u8fd9\u662f\u4e00\u4e2a\u6539\u8fdb\u7248\u7684 <strong><code>switch<\/code><\/strong> \u8bed\u53e5\uff0c\u652f\u6301\u66f4\u52a0\u4e25\u683c\u7684\u7c7b\u578b\u6bd4\u8f83\u5e76\u4e14\u53ef\u4ee5\u8fd4\u56de\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>$color = 'green';\n\n$result = match ($color) {\n    'red' =&gt; 'Stop',\n    'yellow' =&gt; 'Caution',\n    'green' =&gt; 'Go',\n    default =&gt; 'Invalid color',\n};\n\necho $result;  \/\/ \u8f93\u51fa\uff1aGo<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc <code>match<\/code> \u8868\u8fbe\u5f0f\u652f\u6301\u4e25\u683c\u7684\u7c7b\u578b\u6bd4\u8f83\uff0c\u4e0d\u4f1a\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Nullsafe Operator\uff08\u7a7a\u5b89\u5168\u64cd\u4f5c\u7b26\uff09<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86 <strong>\u7a7a\u5b89\u5168\u64cd\u4f5c\u7b26\uff08<code>?-&gt;<\/code>\uff09<\/strong>\uff0c\u53ef\u4ee5\u907f\u514d\u5bf9 null \u503c\u8fdb\u884c\u5c5e\u6027\u8bbf\u95ee\u6216\u65b9\u6cd5\u8c03\u7528\uff0c\u4ece\u800c\u51cf\u5c11 <code>null<\/code> \u9519\u8bef\u7684\u53d1\u751f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>$user = getUser();\necho $user?-&gt;profile?-&gt;address;  \/\/ \u5982\u679c user \u6216 profile \u4e3a null\uff0c\u5c06\u4e0d\u4f1a\u62a5\u9519<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc \u8be5\u64cd\u4f5c\u7b26\u7b80\u5316\u4e86 <code>null<\/code> \u68c0\u67e5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u5c5e\u6027\u7c7b\u578b\u58f0\u660e<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u652f\u6301\u5728\u7c7b\u7684 <strong>\u5c5e\u6027<\/strong> \u4e0a\u58f0\u660e\u7c7b\u578b\uff0c\u800c\u4e0d\u53ea\u662f\u51fd\u6570\u53c2\u6570\u6216\u8fd4\u56de\u503c\u3002\u8fd9\u6837\u53ef\u4ee5\u66f4\u65e9\u5730\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>class User {\n    public string $name;\n    public int $age;\n}\n\n$user = new User();\n$user-&gt;name = 'John';\n$user-&gt;age = 30;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Named Arguments\uff08\u547d\u540d\u53c2\u6570\uff09<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86 <strong>\u547d\u540d\u53c2\u6570<\/strong>\uff0c\u5141\u8bb8\u5728\u8c03\u7528\u51fd\u6570\u65f6\u901a\u8fc7\u53c2\u6570\u540d\u660e\u786e\u6307\u5b9a\u53c2\u6570\u7684\u503c\uff0c\u8fd9\u4f7f\u5f97\u5728\u53c2\u6570\u987a\u5e8f\u4e0d\u91cd\u8981\u65f6\u66f4\u65b9\u4fbf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>function createUser(string $name, int $age, string $email) {\n    echo \"Name: $name, Age: $age, Email: $email\";\n}\n\ncreateUser(name: 'John', email: 'john@example.com', age: 30);  \/\/ \u65e0\u9700\u5173\u5fc3\u53c2\u6570\u987a\u5e8f<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. \u5c5e\u6027\u548c\u65b9\u6cd5\u7684 <code>readonly<\/code><\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86 <strong>\u53ea\u8bfb\u5c5e\u6027\uff08<code>readonly<\/code>\uff09<\/strong>\uff0c\u53ef\u4ee5\u58f0\u660e\u4e00\u4e2a\u53ea\u80fd\u88ab\u8d4b\u503c\u4e00\u6b21\u7684\u5c5e\u6027\uff0c\u901a\u5e38\u7528\u4e8e\u4e0d\u53ef\u4fee\u6539\u7684\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>class User {\n    public readonly string $name;\n\n    public function __construct(string $name) {\n        $this-&gt;name = $name;\n    }\n}\n\n$user = new User('John');\necho $user-&gt;name;  \/\/ \u8f93\u51fa\uff1aJohn\n\n\/\/ $user-&gt;name = 'Doe';  \/\/ \u4f1a\u629b\u51fa\u9519\u8bef\uff1aCannot modify readonly property User::$name<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. <code>str_contains()<\/code>, <code>str_starts_with()<\/code>, <code>str_ends_with()<\/code><\/strong><\/h2>\n\n\n\n<p>PHP 8 \u589e\u52a0\u4e86\u65b0\u7684\u5b57\u7b26\u4e32\u51fd\u6570\uff0c\u7528\u4e8e\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u3001\u4ee5\u67d0\u4e2a\u5b50\u5b57\u7b26\u4e32\u5f00\u59cb\u6216\u7ed3\u675f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>$string = \"Hello, world!\";\n\necho str_contains($string, \"world\");  \/\/ \u8f93\u51fa\uff1atrue\necho str_starts_with($string, \"Hello\");  \/\/ \u8f93\u51fa\uff1atrue\necho str_ends_with($string, \"!\");  \/\/ \u8f93\u51fa\uff1atrue<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc \u8fd9\u4e9b\u51fd\u6570\u7b80\u5316\u4e86\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u907f\u514d\u4e86\u4f7f\u7528 <code>strpos<\/code> \u7b49\u51fd\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u68c0\u67e5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. <code>throw<\/code> \u8868\u8fbe\u5f0f<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86\u5c06 <strong><code>throw<\/code><\/strong> \u4f5c\u4e3a\u8868\u8fbe\u5f0f\u7684\u80fd\u529b\uff0c\u4f7f\u5f97\u4f60\u53ef\u4ee5\u5728\u66f4\u590d\u6742\u7684\u8868\u8fbe\u5f0f\u4e2d\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>function test($value) {\n    $value &lt; 10 ? throw new Exception('Value is too low') : null;\n}\n\ntest(5);  \/\/ \u4f1a\u629b\u51fa\u5f02\u5e38\uff1aValue is too low<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>11. <code>str_<\/code> \u7cfb\u5217\u51fd\u6570\u7684\u6539\u8fdb<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u5185\u7f6e\u5b57\u7b26\u4e32\u51fd\u6570\uff0c\u5982 <strong><code>str_starts_with<\/code><\/strong>, <strong><code>str_ends_with<\/code><\/strong>, \u548c <strong><code>str_contains<\/code><\/strong>\uff0c\u5b83\u4eec\u8ba9\u5b57\u7b26\u4e32\u7684\u68c0\u67e5\u53d8\u5f97\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>12. \u9519\u8bef\u548c\u5f02\u5e38\u7684\u6539\u8fdb<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86\u66f4\u52a0\u8be6\u7ec6\u7684\u9519\u8bef\u62a5\u544a\uff0c\u5c24\u5176\u662f\u5728 <strong><code>TypeError<\/code><\/strong> \u548c <strong><code>ParseError<\/code><\/strong> \u5f02\u5e38\u4e2d\uff0c\u80fd\u591f\u63d0\u4f9b\u66f4\u52a0\u51c6\u786e\u548c\u6e05\u6670\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>13. <code>unset()<\/code> \u73b0\u5728\u652f\u6301\u5c5e\u6027<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u4f7f\u5f97 <code>unset()<\/code> \u80fd\u591f\u7528\u4e8e\u5220\u9664\u5bf9\u8c61\u5c5e\u6027\uff0c\u800c\u4e4b\u524d\u5b83\u53ea\u652f\u6301\u5220\u9664\u6570\u7ec4\u5143\u7d20\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>class User {\n    public $name = \"John\";\n}\n\n$user = new User();\nunset($user-&gt;name);  \/\/ \u5220\u9664\u5c5e\u6027\nvar_dump($user-&gt;name);  \/\/ \u8f93\u51fa\uff1anull<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>14. \u66f4\u4e25\u683c\u7684\u7c7b\u578b\u68c0\u67e5<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u52a0\u5f3a\u4e86\u7c7b\u578b\u68c0\u67e5\u7684\u4e25\u683c\u6027\uff0c\u7279\u522b\u662f\u5728\u6d89\u53ca\u5230\u6570\u5b57\u548c\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u8f6c\u6362\u65f6\u3002\u4e3a\u4e86\u89e3\u51b3\u6f5c\u5728\u7684\u7c7b\u578b\u5b89\u5168\u95ee\u9898\uff0cPHP 8 \u5f15\u5165\u4e86\u66f4\u591a\u7684 <strong>\u7c7b\u578b\u5f02\u5e38<\/strong> \u548c <strong>\u66f4\u4e25\u683c\u7684\u7c7b\u578b\u58f0\u660e<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>15. \u5bf9 <code>mysqli<\/code> \u6269\u5c55\u7684\u6539\u8fdb<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u7ee7\u7eed\u6539\u8fdb\u4e86 <strong><code>mysqli<\/code><\/strong> \u6269\u5c55\uff0c\u589e\u52a0\u4e86\u5bf9\u9884\u5904\u7406\u8bed\u53e5\u7684\u652f\u6301\uff0c\u5e76\u63d0\u9ad8\u4e86\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h2>\n\n\n\n<p>PHP 8 \u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7279\u6027\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u7075\u6d3b\u548c\u9ad8\u6548\u3002\u7279\u522b\u662f\u6027\u80fd\u7684\u63d0\u5347\u3001\u7b80\u5316\u7684\u8bed\u6cd5\u4ee5\u53ca\u589e\u5f3a\u7684\u7c7b\u578b\u7cfb\u7edf\u90fd\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u7f16\u5199\u66f4\u5b89\u5168\u3001\u5feb\u901f\u3001\u6613\u7ef4\u62a4\u7684 PHP \u4ee3\u7801\u3002\u5177\u4f53\u7279\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>JIT \u7f16\u8bd1\u5668<\/strong>\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u6784\u9020\u51fd\u6570\u5c5e\u6027\u63d0\u5347<\/strong>\uff0c\u7b80\u5316\u4ee3\u7801\u3002<\/li>\n\n\n\n<li><strong>\u8054\u5408\u7c7b\u578b\u58f0\u660e<\/strong>\u548c<strong>\u5339\u914d\u8868\u8fbe\u5f0f<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u7a7a\u5b89\u5168\u64cd\u4f5c\u7b26<\/strong>\uff0c\u7b80\u5316 null \u68c0\u67e5\u3002<\/li>\n\n\n\n<li><strong>\u547d\u540d\u53c2\u6570<\/strong>\u548c<strong>\u53ea\u8bfb\u5c5e\u6027<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<p>PHP 8 \u662f\u4e00\u6b21\u975e\u5e38\u91cd\u8981\u7684\u66f4\u65b0\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86 PHP \u5728\u73b0\u4ee3 Web \u5f00\u53d1\u4e2d\u7684\u7ade\u4e89\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP 8 \u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u7279\u6027\u548c\u6539\u8fdb\uff0c\u76f8\u6bd4\u4e8e PHP 7\uff0cPHP 8 \u66f4\u52a0\u6ce8\u91cd\u6027\u80fd\u63d0\u5347\u3001\u4ee3\u7801\u7b80\u6d01\u6027\u4ee5\u53ca\u66f4\u5f3a\u5927\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3082,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-3081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3081"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3081\/revisions"}],"predecessor-version":[{"id":3083,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3081\/revisions\/3083"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3082"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}