{"id":48226,"date":"2024-12-02T10:46:34","date_gmt":"2024-12-02T02:46:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48226\/"},"modified":"2024-12-02T10:46:34","modified_gmt":"2024-12-02T02:46:34","slug":"php%e5%87%bd%e6%95%b0%e4%bb%a3%e7%a0%81%e9%a3%8e%e6%a0%bc%e7%9a%84%e7%96%91%e9%9a%be%e6%9d%82%e7%97%87%e8%a7%a3%e7%ad%94","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48226\/","title":{"rendered":"PHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>PHP \u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7591\u96be\u6742\u75c7\u89e3\u7b54\uff1a1. \u4f7f\u7528\u5c0f\u5199\u548c\u4e0b\u5212\u7ebf\u5206\u9694\u7b26\u58f0\u660e\u51fd\u6570\u540d\uff1b2. \u6839\u636e\u91cd\u8981\u6027\u6392\u5217\u53c2\u6570\u5e76\u6307\u5b9a\u7c7b\u578b\uff1b3. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u8fd4\u56de\u503c\u7c7b\u578b\uff1b4. \u4f7f\u7528 4 \u4e2a\u7a7a\u683c\u7f29\u8fdb\u4ee3\u7801\u5757\uff1b5. \u63d0\u4f9b\u6e05\u6670\u3001\u7b80\u6d01\u7684\u6ce8\u91ca\uff0c\u4f7f\u7528\u6ce8\u91ca\u5757\u7ec4\u7ec7\u6ce8\u91ca\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730002177671dbd01b4ad9.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u51fd\u6570\u7684\u4ee3\u7801\u98ce\u683c\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u89e3\u51b3 PHP \u51fd\u6570\u4ee3\u7801\u98ce\u683c\u4e2d\u5e38\u89c1\u7684\u7591\u96be\u6742\u75c7\uff0c\u5e76\u63d0\u4f9b\u6700\u4f73\u5b9e\u8df5\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p><strong>\u7591\u96be\u6742\u75c7 1\uff1a\u51fd\u6570\u58f0\u660e\u683c\u5f0f<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> \u51fd\u6570\u58f0\u660e\u5728\u683c\u5f0f\u4e0a\u4e0d\u4e00\u81f4\uff0c\u6709\u7684\u4f7f\u7528\u5927\u9a7c\u5cf0\uff0c\u6709\u7684\u4f7f\u7528\u5c0f\u5199\u3002<\/p>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong> \u4f7f\u7528\u5c0f\u5199\u548c\u4e0b\u5212\u7ebf\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff1a<code>function_name()<\/code>.<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u9519\u8bef\nfunction getUserName() { ... }\n\n\/\/ \u6b63\u786e\nfunction get_user_name() { ... }<\/pre>\n<p><strong>\u7591\u96be\u6742\u75c7 2\uff1a\u53c2\u6570\u4f20\u9012<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> \u53c2\u6570\u4f20\u9012\u7684\u987a\u5e8f\u6216\u7c7b\u578b\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong> \u6839\u636e\u91cd\u8981\u6027\u6392\u5217\u53c2\u6570\uff0c\u5e76\u660e\u786e\u6307\u5b9a\u53c2\u6570\u7c7b\u578b\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u786e\u4fdd\u7c7b\u578b\u5b89\u5168\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u9519\u8bef\nfunction add($x, $y) { ... }\nadd(10, 'foo'); \/\/ \u5bfc\u81f4\u7c7b\u578b\u9519\u8bef\n\n\/\/ \u6b63\u786e\nfunction add(int $x, int $y) { ... }\nadd(10, 20); \/\/ \u8fd4\u56de 30<\/pre>\n<p><strong>\u7591\u96be\u6742\u75c7 3\uff1a\u8fd4\u56de\u503c<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> \u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u6216\u683c\u5f0f\u4e0d\u6e05\u6670\u3002<\/p>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong> \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u5e76\u5728\u6587\u6863\u4e2d\u660e\u786e\u5217\u51fa\u8fd4\u56de\u503c\u7684\u683c\u5f0f\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u9519\u8bef\nfunction getProducts() { ... }\n$products = getProducts(); \/\/ \u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f46\u7c7b\u578b\u672a\u6307\u5b9a\n\n\/\/ \u6b63\u786e\nfunction getProducts(): array { ... }\n$products = getProducts(); \/\/ \u8fd4\u56de\u7c7b\u578b\u4e3a\u6570\u7ec4<\/pre>\n<p><strong>\u7591\u96be\u6742\u75c7 4\uff1a\u4ee3\u7801\u5757\u7f29\u8fdb<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> \u4ee3\u7801\u5757\u7f29\u8fdb\u4e0d\u4e00\u81f4\u6216\u4e0d\u89c4\u8303\u3002<\/p>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong> \u4f7f\u7528 4 \u4e2a\u7a7a\u683c\u8fdb\u884c\u7f29\u8fdb\u3002\u4fdd\u6301\u7f29\u8fdb\u7ea7\u522b\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u9519\u8bef\nif ($condition) {\n    echo 'Yes';\n} else {\n     echo 'No';\n}\n\n\/\/ \u6b63\u786e\nif ($condition) {\n    echo 'Yes';\n} else {\n    echo 'No';\n}<\/pre>\n<p><strong>\u7591\u96be\u6742\u75c7 5\uff1a\u6ce8\u91ca<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> \u6ce8\u91ca\u4e0d\u8db3\u6216\u4e0d\u6e05\u6670\u3002<\/p>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong> \u63d0\u4f9b\u6e05\u6670\u3001\u7b80\u6d01\u7684\u6ce8\u91ca\uff0c\u89e3\u91ca\u51fd\u6570\u7684\u76ee\u7684\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u4f7f\u7528\u6ce8\u91ca\u5757\u6765\u7ec4\u7ec7\u6ce8\u91ca\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/**\n * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\u3002\n *\n * @param int $x \u7b2c\u4e00\u4e2a\u6570\u5b57\n * @param int $y \u7b2c\u4e8c\u4e2a\u6570\u5b57\n * @return int \u548c\n *\/\nfunction add(int $x, int $y): int {\n    return $x + $y;\n}<\/pre>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u51fd\u6570\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54 \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300aPHP\u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01 PHP \u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7591\u96be\u6742\u75c7\u89e3\u7b54\uff1a1. \u4f7f\u7528\u5c0f\u5199\u548c\u4e0b\u5212\u7ebf\u5206\u9694\u7b26\u58f0\u660e\u51fd\u6570\u540d\uff1b2. \u6839\u636e\u91cd\u8981\u6027\u6392\u5217\u53c2\u6570\u5e76\u6307\u5b9a\u7c7b\u578b\uff1b3. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u8fd4\u56de\u503c\u7c7b\u578b\uff1b4. \u4f7f\u7528 4 \u4e2a\u7a7a\u683c\u7f29\u8fdb\u4ee3\u7801\u5757\uff1b5. \u63d0\u4f9b\u6e05\u6670\u3001\u7b80\u6d01\u7684\u6ce8\u91ca\uff0c\u4f7f\u7528\u6ce8\u91ca\u5757\u7ec4\u7ec7\u6ce8\u91ca\u3002 PHP \u51fd\u6570\u4ee3\u7801\u98ce\u683c\u7684\u7591\u96be\u6742\u75c7\u89e3\u7b54 \u7b80\u4ecb PHP \u51fd\u6570\u7684\u4ee3\u7801\u98ce\u683c\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u89e3\u51b3 PHP \u51fd\u6570\u4ee3\u7801\u98ce\u683c\u4e2d\u5e38\u89c1\u7684\u7591\u96be\u6742\u75c7\uff0c\u5e76\u63d0\u4f9b\u6700\u4f73\u5b9e\u8df5\u89e3\u51b3\u65b9\u6848\u3002 \u7591\u96be\u6742\u75c7 1\uff1a\u51fd\u6570\u58f0\u660e\u683c\u5f0f \u95ee\u9898\uff1a \u51fd\u6570\u58f0\u660e\u5728\u683c\u5f0f\u4e0a\u4e0d\u4e00\u81f4\uff0c\u6709\u7684\u4f7f\u7528\u5927\u9a7c\u5cf0\uff0c\u6709\u7684\u4f7f\u7528\u5c0f\u5199\u3002 \u6700\u4f73\u5b9e\u8df5\uff1a \u4f7f\u7528\u5c0f\u5199\u548c\u4e0b\u5212\u7ebf\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff1afunction_name(). \u5b9e\u6218\u6848\u4f8b\uff1a \/\/ \u9519\u8bef function getUserName() { &#8230; } \/\/ \u6b63\u786e function get_user_name() { &#8230; } \u7591\u96be\u6742\u75c7 2\uff1a\u53c2\u6570\u4f20\u9012 \u95ee\u9898\uff1a \u53c2\u6570\u4f20\u9012\u7684\u987a\u5e8f\u6216\u7c7b\u578b\u4e0d\u4e00\u81f4\u3002 \u6700\u4f73\u5b9e\u8df5\uff1a \u6839\u636e\u91cd\u8981\u6027\u6392\u5217\u53c2\u6570\uff0c\u5e76\u660e\u786e\u6307\u5b9a\u53c2\u6570\u7c7b\u578b\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u786e\u4fdd\u7c7b\u578b\u5b89\u5168\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a \/\/ \u9519\u8bef function add($x, $y) { &#8230; } add(10, [&hellip;]<\/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-48226","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48226","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=48226"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48226\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}