{"id":47054,"date":"2024-12-02T17:20:05","date_gmt":"2024-12-02T09:20:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47054\/"},"modified":"2024-12-02T17:20:05","modified_gmt":"2024-12-02T09:20:05","slug":"php%e5%87%bd%e6%95%b0%e4%bc%98%e5%8c%96%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47054\/","title":{"rendered":"PHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"

<\/b> <\/p>\n

PHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5<\/h1>\n

\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

PHP \u51fd\u6570\u4f18\u5316\u6d89\u53ca\u51cf\u5c11\u51fd\u6570\u6267\u884c\u65f6\u95f4\u548c\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3002\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u51fd\u6570\u8c03\u7528\u51cf\u5c11\u53c2\u6570\u4f20\u9012\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u907f\u514d\u5168\u5c40\u53d8\u91cf\u8bbf\u95ee\u4f7f\u7528\u7f13\u5b58\u5206\u6790\u4ee3\u7801\u4ee5\u8bc6\u522b\u6027\u80fd\u74f6\u9888<\/p>\n

\"PHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5\u63d2\u56fe\"<\/p>\n

PHP \u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

\u51fd\u6570\u4f18\u5316\u662f\u63d0\u5347 PHP \u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u901a\u8fc7\u5e94\u7528\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u51fd\u6570\u6267\u884c\u65f6\u95f4\u5e76\u6539\u5584\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3002\u672c\u6587\u5c06\u63a2\u8ba8 PHP \u51fd\u6570\u4f18\u5316\u7684\u4e00\u4e9b\u5e38\u89c1\u6280\u672f\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u793a\u4f8b\u3002<\/p>\n

1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u51fd\u6570\u8c03\u7528<\/strong><\/p>\n

\u53cd\u590d\u8c03\u7528\u51fd\u6570\u4f1a\u663e\u8457\u5f71\u54cd\u6027\u80fd\u3002\u5e94\u5c06\u5e38\u7528\u51fd\u6570\u7684\u7ed3\u679c\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u4ee5\u907f\u514d\u591a\u6b21\u8c03\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n

$result = strlen('hello world');<\/pre>\n
2. \u51cf\u5c11\u53c2\u6570\u4f20\u9012<\/strong><\/p>\n
\u6bcf\u6b21\u51fd\u6570\u8c03\u7528\u65f6\u90fd\u4f1a\u5c06\u53c2\u6570\u503c\u590d\u5236\u5230\u51fd\u6570\u5806\u6808\u4e2d\u3002\u9891\u7e41\u4f20\u9012\u5927\u91cf\u53c2\u6570\u4f1a\u964d\u4f4e\u6027\u80fd\u3002\u8003\u8651\u4f7f\u7528\u5f15\u7528\u6216\u7ed3\u6784\u6765\u51cf\u5c11\u6240\u9700\u53c2\u6570\u7684\u6570\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n
function update_user(int $id, array $data) {\n  $user = get_user($id);\n  $user->update($data);\n}<\/pre>\n
3. \u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/strong><\/p>\n
PHP \u4e2d\u6709\u8bb8\u591a\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u9ad8\u6548\u5730\u6267\u884c\u5e38\u89c1\u4efb\u52a1\u3002\u907f\u514d\u81ea\u5df1\u5b9e\u73b0\u8fd9\u4e9b\u4efb\u52a1\uff0c\u800c\u5e94\u5229\u7528\u5185\u7f6e\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u4e0d\u8981\u4f7f\u7528\u5faa\u73af\u6765\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u800c\u5e94\u4f7f\u7528 implode()<\/code>\u3002<\/p>\n
$name_parts = ['John', 'Doe'];\n$full_name = implode(' ', $name_parts);<\/pre>\n
4. \u907f\u514d\u5168\u5c40\u53d8\u91cf<\/strong><\/p>\n
\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf\u6d89\u53ca\u67e5\u627e\u5e76\u590d\u5236\u5176\u503c\uff0c\u8fd9\u53ef\u80fd\u4f1a\u964d\u4f4e\u6027\u80fd\u3002\u4f18\u5148\u8003\u8651\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u6216\u4f7f\u7528\u5c40\u90e8\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n
function count_files(string $dir) {\n  $files = scandir($dir);\n  return count($files);\n}<\/pre>\n
5. \u4f7f\u7528\u7f13\u5b58<\/strong><\/p>\n
\u5bf9\u4e8e\u7ecf\u5e38\u8c03\u7528\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u7f13\u5b58\u6765\u5b58\u50a8\u5176\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u548c\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 apc_add()<\/code> \u7f13\u5b58\u7ecf\u5e38\u8c03\u7528\u7684\u67e5\u8be2\u7ed3\u679c\uff1a<\/p>\n
$cache_key = 'users_cache';\n$users = apc_fetch($cache_key);\nif (!$users) {\n  \/\/ \u83b7\u53d6\u7528\u6237\u6570\u636e\u5e76\u5b58\u50a8\u5728\u7f13\u5b58\u4e2d\n  $users = get_users();\n  apc_add($cache_key, $users, 3600);\n}<\/pre>\n
6. \u043f\u0440\u043e\u0444\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u4ee3\u7801<\/strong><\/p>\n
\u4f7f\u7528 xdebug \u6216 Tideways \u7b49\u5de5\u5177\u5bf9\u4ee3\u7801\u8fdb\u884c\u5206\u6790\u53ef\u4ee5\u8bc6\u522b\u6027\u80fd\u74f6\u9888\u3002\u8bc6\u522b\u548c\u89e3\u51b3\u95ee\u9898\u533a\u57df\u6709\u52a9\u4e8e\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5047\u8bbe\u60a8\u5728 PHP \u4e2d\u6709\u4e00\u4e2a\u4ee5\u4e0b\u51fd\u6570\uff0c\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u603b\u548c\uff1a<\/p>\n
function sum(int $a, int $b) {\n  return $a + $b;\n}<\/pre>\n
\u8981\u4f18\u5316\u6b64\u51fd\u6570\uff0c\u53ef\u4ee5\u5e94\u7528\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n
    \n
  • \n
    \u907f\u514d\u91cd\u590d\u51fd\u6570\u8c03\u7528\uff1a\u5c06\u7ed3\u679c\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/p>\n
    $sum = sum(10, 20);<\/pre>\n<\/li>\n
  • \n
    \u51cf\u5c11\u53c2\u6570\u4f20\u9012\uff1a\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u6570\u5b57\u3002<\/p>\n
    function sum_by_ref(int &$a, int &$b) {\n$a += $b;\n}<\/pre>\n<\/li>\n<\/ul>\n
    \u901a\u8fc7\u5b9e\u73b0\u8fd9\u4e9b\u4f18\u5316\uff0c\u60a8\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u51fd\u6570\u7684\u6027\u80fd\u5e76\u6539\u5584\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u300aPHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u4f18\u5316\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    PHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5 \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP\u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP \u51fd\u6570\u4f18\u5316\u6d89\u53ca\u51cf\u5c11\u51fd\u6570\u6267\u884c\u65f6\u95f4\u548c\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3002\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u51fd\u6570\u8c03\u7528\u51cf\u5c11\u53c2\u6570\u4f20\u9012\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u907f\u514d\u5168\u5c40\u53d8\u91cf\u8bbf\u95ee\u4f7f\u7528\u7f13\u5b58\u5206\u6790\u4ee3\u7801\u4ee5\u8bc6\u522b\u6027\u80fd\u74f6\u9888 PHP \u51fd\u6570\u4f18\u5316\u6700\u4f73\u5b9e\u8df5 \u7b80\u4ecb \u51fd\u6570\u4f18\u5316\u662f\u63d0\u5347 PHP \u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u901a\u8fc7\u5e94\u7528\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u51fd\u6570\u6267\u884c\u65f6\u95f4\u5e76\u6539\u5584\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3002\u672c\u6587\u5c06\u63a2\u8ba8 PHP \u51fd\u6570\u4f18\u5316\u7684\u4e00\u4e9b\u5e38\u89c1\u6280\u672f\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u793a\u4f8b\u3002 1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u51fd\u6570\u8c03\u7528 \u53cd\u590d\u8c03\u7528\u51fd\u6570\u4f1a\u663e\u8457\u5f71\u54cd\u6027\u80fd\u3002\u5e94\u5c06\u5e38\u7528\u51fd\u6570\u7684\u7ed3\u679c\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u4ee5\u907f\u514d\u591a\u6b21\u8c03\u7528\u3002\u4f8b\u5982\uff1a $result = strlen(‘hello world’); 2. \u51cf\u5c11\u53c2\u6570\u4f20\u9012 \u6bcf\u6b21\u51fd\u6570\u8c03\u7528\u65f6\u90fd\u4f1a\u5c06\u53c2\u6570\u503c\u590d\u5236\u5230\u51fd\u6570\u5806\u6808\u4e2d\u3002\u9891\u7e41\u4f20\u9012\u5927\u91cf\u53c2\u6570\u4f1a\u964d\u4f4e\u6027\u80fd\u3002\u8003\u8651\u4f7f\u7528\u5f15\u7528\u6216\u7ed3\u6784\u6765\u51cf\u5c11\u6240\u9700\u53c2\u6570\u7684\u6570\u91cf\u3002\u4f8b\u5982\uff1a function update_user(int $id, array $data) { $user = get_user($id); $user->update($data); } 3. \u4f7f\u7528\u5185\u7f6e\u51fd\u6570 PHP \u4e2d\u6709\u8bb8\u591a\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u9ad8\u6548\u5730\u6267\u884c\u5e38\u89c1\u4efb\u52a1\u3002\u907f\u514d\u81ea\u5df1\u5b9e\u73b0\u8fd9\u4e9b\u4efb\u52a1\uff0c\u800c\u5e94\u5229\u7528\u5185\u7f6e\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u4e0d\u8981\u4f7f\u7528\u5faa\u73af\u6765\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u800c\u5e94\u4f7f\u7528 implode()\u3002 $name_parts = [‘John’, ‘Doe’]; $full_name = implode(‘ ‘, $name_parts); 4. \u907f\u514d\u5168\u5c40\u53d8\u91cf \u8bbf\u95ee\u5168\u5c40\u53d8\u91cf\u6d89\u53ca\u67e5\u627e\u5e76\u590d\u5236\u5176\u503c\uff0c\u8fd9\u53ef\u80fd\u4f1a\u964d\u4f4e\u6027\u80fd\u3002\u4f18\u5148\u8003\u8651\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u6216\u4f7f\u7528\u5c40\u90e8\u53d8\u91cf\u3002\u4f8b\u5982\uff1a function count_files(string $dir) { $files […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47054","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47054"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47054\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}