{"id":47521,"date":"2024-12-02T16:56:18","date_gmt":"2024-12-02T08:56:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47521\/"},"modified":"2024-12-02T16:56:18","modified_gmt":"2024-12-02T08:56:18","slug":"php-%e5%87%bd%e6%95%b0%e5%90%8d%e4%b8%ad%e5%b8%b8%e7%94%a8%e7%9a%84%e7%bc%a9%e5%86%99%e8%a7%84%e5%88%99%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47521\/","title":{"rendered":"PHP \u51fd\u6570\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\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\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f\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<p>PHP \u51fd\u6570\u540d\u7684\u7f29\u5199\u89c4\u5219\u5305\u62ec\uff1a\u5355\u8bcd\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u7f29\u5199\uff1b\u5355\u8bcd\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\u7f29\u5199\uff08\u77ed\u5355\u8bcd\uff09\uff1b\u8f85\u97f3\u7f29\u5199\uff08\u4e2d\u95f4\u5143\u97f3\u4e0d\u91cd\u8981\uff09\uff1b\u7ec4\u5408\u7f29\u5199\uff08\u591a\u4e2a\u5355\u8bcd\uff09\u3002\u8fd9\u4e9b\u89c4\u5219\u6709\u52a9\u4e8e\u4ee3\u7801\u7b80\u6d01\u548c\u53ef\u8bfb\u6027\uff0c\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\u4fdd\u6301\u7f29\u5199\u6e05\u6670\u4e00\u81f4\uff0c\u907f\u514d\u8fc7\u5ea6\u7f29\u5199\u3002\u9075\u5faa\u8fd9\u4e9b\u89c4\u5219\u4f7f PHP \u4ee3\u7801\u66f4\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729922203671c849b08a28.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u540d\u7f29\u5199\u5e38\u89c1\u89c4\u5219<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u540d\u7684\u7f29\u5199\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u7b80\u6d01\u548c\u53ef\u8bfb\u6027\u81f3\u5173\u91cd\u8981\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\uff1a<\/p>\n<ul>\n<li><strong>\u5355\u8bcd\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\uff1a<\/strong>\u51fd\u6570\u540d\u4e2d\u5355\u8bcd\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u901a\u5e38\u7f29\u5199\u3002\u4f8b\u5982\uff0c<code>function getUserById<\/code> \u53ef\u4ee5\u7f29\u5199\u4e3a <code>getUserById()<\/code>.<\/li>\n<li><strong>\u5355\u8bcd\u7684\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\uff1a<\/strong>\u5bf9\u4e8e\u8f83\u77ed\u7684\u5355\u8bcd\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\u4f5c\u4e3a\u7f29\u5199\u3002\u4f8b\u5982\uff0c<code>function isNull<\/code> \u53ef\u4ee5\u7f29\u5199\u4e3a <code>isNull()<\/code>.<\/li>\n<li><strong>\u8f85\u97f3\u7f29\u5199\uff1a<\/strong>\u5982\u679c\u5355\u8bcd\u4e2d\u95f4\u7684\u5143\u97f3\u4e0d\u91cd\u8981\uff0c\u53ef\u4ee5\u7528\u8f85\u97f3\u7f29\u5199\u3002\u4f8b\u5982\uff0c<code>function calculateAverage<\/code> \u53ef\u4ee5\u7f29\u5199\u4e3a <code>calcAvg()<\/code>.<\/li>\n<li><strong>\u7ec4\u5408\u7f29\u5199\uff1a<\/strong>\u5f53\u51fd\u6570\u540d\u7531\u591a\u4e2a\u5355\u8bcd\u7ec4\u6210\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5355\u8bcd\u7684\u7ec4\u5408\u7f29\u5199\u3002\u4f8b\u5982\uff0c<code>function setCustomerAddress<\/code> \u53ef\u4ee5\u7f29\u5199\u4e3a <code>setCustAddr()<\/code>.<\/li>\n<\/ul>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong><\/p>\n<ul>\n<li>\u7f29\u5199\u5e94\u8be5\u6e05\u695a\u4e14\u5bb9\u6613\u7406\u89e3\u3002<\/li>\n<li>\u5c3d\u91cf\u4fdd\u6301\u7f29\u5199\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u907f\u514d\u8fc7\u5ea6\u7f29\u5199\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u4f7f\u4ee3\u7801\u96be\u4ee5\u9605\u8bfb\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528\u5355\u8bcd\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u7f29\u5199\nfunction getUserById($id) {\n  \/\/ ...\n}\n\n\/\/ \u4f7f\u7528\u5355\u8bcd\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\u7f29\u5199\nfunction isNull($value) {\n  \/\/ ...\n}\n\n\/\/ \u4f7f\u7528\u8f85\u97f3\u7f29\u5199\nfunction calcAvg($numbers) {\n  \/\/ ...\n}\n\n\/\/ \u4f7f\u7528\u7ec4\u5408\u7f29\u5199\nfunction setCustAddr($customer, $address) {\n  \/\/ ...\n}<\/pre>\n<p>\u9075\u5faa\u8fd9\u4e9b\u7f29\u5199\u89c4\u5219\u53ef\u4ee5\u4f7f\u4f60\u7684 PHP \u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u53ef\u8bfb\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aPHP \u51fd\u6570\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f \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\u540d\u4e2d\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\u6709\u54ea\u4e9b\uff1f\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\u540d\u7684\u7f29\u5199\u89c4\u5219\u5305\u62ec\uff1a\u5355\u8bcd\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u7f29\u5199\uff1b\u5355\u8bcd\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\u7f29\u5199\uff08\u77ed\u5355\u8bcd\uff09\uff1b\u8f85\u97f3\u7f29\u5199\uff08\u4e2d\u95f4\u5143\u97f3\u4e0d\u91cd\u8981\uff09\uff1b\u7ec4\u5408\u7f29\u5199\uff08\u591a\u4e2a\u5355\u8bcd\uff09\u3002\u8fd9\u4e9b\u89c4\u5219\u6709\u52a9\u4e8e\u4ee3\u7801\u7b80\u6d01\u548c\u53ef\u8bfb\u6027\uff0c\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\u4fdd\u6301\u7f29\u5199\u6e05\u6670\u4e00\u81f4\uff0c\u907f\u514d\u8fc7\u5ea6\u7f29\u5199\u3002\u9075\u5faa\u8fd9\u4e9b\u89c4\u5219\u4f7f PHP \u4ee3\u7801\u66f4\u6613\u4e8e\u7ef4\u62a4\u3002 PHP \u51fd\u6570\u540d\u7f29\u5199\u5e38\u89c1\u89c4\u5219 \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u540d\u7684\u7f29\u5199\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u7b80\u6d01\u548c\u53ef\u8bfb\u6027\u81f3\u5173\u91cd\u8981\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7f29\u5199\u89c4\u5219\uff1a \u5355\u8bcd\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\uff1a\u51fd\u6570\u540d\u4e2d\u5355\u8bcd\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u901a\u5e38\u7f29\u5199\u3002\u4f8b\u5982\uff0cfunction getUserById \u53ef\u4ee5\u7f29\u5199\u4e3a getUserById(). \u5355\u8bcd\u7684\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\uff1a\u5bf9\u4e8e\u8f83\u77ed\u7684\u5355\u8bcd\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\u4f5c\u4e3a\u7f29\u5199\u3002\u4f8b\u5982\uff0cfunction isNull \u53ef\u4ee5\u7f29\u5199\u4e3a isNull(). \u8f85\u97f3\u7f29\u5199\uff1a\u5982\u679c\u5355\u8bcd\u4e2d\u95f4\u7684\u5143\u97f3\u4e0d\u91cd\u8981\uff0c\u53ef\u4ee5\u7528\u8f85\u97f3\u7f29\u5199\u3002\u4f8b\u5982\uff0cfunction calculateAverage \u53ef\u4ee5\u7f29\u5199\u4e3a calcAvg(). \u7ec4\u5408\u7f29\u5199\uff1a\u5f53\u51fd\u6570\u540d\u7531\u591a\u4e2a\u5355\u8bcd\u7ec4\u6210\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5355\u8bcd\u7684\u7ec4\u5408\u7f29\u5199\u3002\u4f8b\u5982\uff0cfunction setCustomerAddress \u53ef\u4ee5\u7f29\u5199\u4e3a setCustAddr(). \u6700\u4f73\u5b9e\u8df5\uff1a \u7f29\u5199\u5e94\u8be5\u6e05\u695a\u4e14\u5bb9\u6613\u7406\u89e3\u3002 \u5c3d\u91cf\u4fdd\u6301\u7f29\u5199\u7684\u4e00\u81f4\u6027\u3002 \u907f\u514d\u8fc7\u5ea6\u7f29\u5199\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u4f7f\u4ee3\u7801\u96be\u4ee5\u9605\u8bfb\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a \/\/ \u4f7f\u7528\u5355\u8bcd\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u7f29\u5199 function getUserById($id) { \/\/ &#8230; } \/\/ \u4f7f\u7528\u5355\u8bcd\u7b2c\u4e8c\u4e2a\u5b57\u6bcd\u7f29\u5199 function isNull($value) { \/\/ &#8230; } \/\/ \u4f7f\u7528\u8f85\u97f3\u7f29\u5199 function calcAvg($numbers) { [&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-47521","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47521","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=47521"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47521\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}