{"id":48141,"date":"2024-12-02T10:30:02","date_gmt":"2024-12-02T02:30:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48141\/"},"modified":"2024-12-02T10:30:02","modified_gmt":"2024-12-02T02:30:02","slug":"php%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%9a%84%e9%bb%98%e8%ae%a4%e5%80%bc%e5%a6%82%e4%bd%95%e8%ae%be%e7%bd%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48141\/","title":{"rendered":"PHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f<\/h1>\n<p>\u76ee\u524d\u7c73\u4e91\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n<p>PHP\u51fd\u6570\u53ef\u8bbe\u7f6e\u53c2\u6570\u9ed8\u8ba4\u503c\u30021.\u8bed\u6cd5\uff1afunction function_name(parameter1 = default_value1, parameter2 = default_value2, &#8230;) { &#8230; } 2.\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff1a\u7528\u7b49\u53f7\uff08=\uff09\u548c\u9ed8\u8ba4\u503c\u6765\u6307\u5b9a\u30023.\u5b9e\u6218\u6848\u4f8b\uff1a\u51fd\u6570sum_numbers($a = 0, $b = 0)\u8fd4\u56dea\u548cb\u7684\u548c\uff1b\u672a\u63d0\u4f9b\u53c2\u6570\u65f6\uff0c\u4f7f\u7528\u9ed8\u8ba4\u503c0\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1729992423671d96e799581.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u8bbe\u7f6e<\/strong><\/p>\n<p>PHP \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5f53\u8c03\u7528\u51fd\u6570\u65f6\u672a\u63d0\u4f9b\u53c2\u6570\u503c\u65f6\uff0c\u5c06\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre>function function_name(parameter1 = default_value1, parameter2 = default_value2, ...) {\n    \/\/ \u4f60\u7684\u51fd\u6570\u4ee3\u7801\n}<\/pre>\n<p><strong>\u8bbe\u7f6e\u9ed8\u8ba4\u503c<\/strong><\/p>\n<p>\u8981\u8bbe\u7f6e\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u53ea\u9700\u5728\u53c2\u6570\u58f0\u660e\u540e\u52a0\u4e0a\u4e00\u4e2a\u7b49\u53f7\uff08<code>=<\/code>\uff09\u548c\u9ed8\u8ba4\u503c\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function calculate_area(length = 1, width = 1) {\n    return length * width;\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c<code>length<\/code> \u548c <code>width<\/code> \u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u90fd\u4e3a <code>1<\/code>\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u9ed8\u8ba4\u503c\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<pre>function sum_numbers($a = 0, $b = 0) {\n    return $a + $b;\n}\n\necho sum_numbers(); \/\/ \u8f93\u51fa: 0\necho sum_numbers(10, 20); \/\/ \u8f93\u51fa: 30<\/pre>\n<p>\u5728\u7b2c\u4e00\u4e2a\u8c03\u7528\u4e2d\uff0c\u7531\u4e8e\u6ca1\u6709\u63d0\u4f9b\u53c2\u6570\uff0c\u56e0\u6b64\u4f7f\u7528\u4e86\u9ed8\u8ba4\u503c <code>0<\/code>\uff0c\u5c06\u4e24\u4e2a\u9ed8\u8ba4\u503c\u76f8\u52a0\u7684\u7ed3\u679c\u662f <code>0<\/code>\u3002<br \/>\u5728\u7b2c\u4e8c\u4e2a\u8c03\u7528\u4e2d\uff0c\u63d0\u4f9b\u4e86\u53c2\u6570 <code>10<\/code> \u548c <code>20<\/code>\uff0c\u5b83\u4eec\u5c06\u8986\u76d6\u9ed8\u8ba4\u503c\uff0c\u5bfc\u81f4\u7ed3\u679c\u4e3a <code>30<\/code>\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f \u76ee\u524d\u7c73\u4e91\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300aPHP\u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u5982\u4f55\u8bbe\u7f6e\uff1f\u300b\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6587\u7ae0\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~ PHP\u51fd\u6570\u53ef\u8bbe\u7f6e\u53c2\u6570\u9ed8\u8ba4\u503c\u30021.\u8bed\u6cd5\uff1afunction function_name(parameter1 = default_value1, parameter2 = default_value2, &#8230;) { &#8230; } 2.\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff1a\u7528\u7b49\u53f7\uff08=\uff09\u548c\u9ed8\u8ba4\u503c\u6765\u6307\u5b9a\u30023.\u5b9e\u6218\u6848\u4f8b\uff1a\u51fd\u6570sum_numbers($a = 0, $b = 0)\u8fd4\u56dea\u548cb\u7684\u548c\uff1b\u672a\u63d0\u4f9b\u53c2\u6570\u65f6\uff0c\u4f7f\u7528\u9ed8\u8ba4\u503c0\u3002 PHP \u51fd\u6570\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u8bbe\u7f6e PHP \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5f53\u8c03\u7528\u51fd\u6570\u65f6\u672a\u63d0\u4f9b\u53c2\u6570\u503c\u65f6\uff0c\u5c06\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002 \u8bed\u6cd5 function function_name(parameter1 = default_value1, parameter2 = default_value2, &#8230;) { \/\/ \u4f60\u7684\u51fd\u6570\u4ee3\u7801 } \u8bbe\u7f6e\u9ed8\u8ba4\u503c \u8981\u8bbe\u7f6e\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u53ea\u9700\u5728\u53c2\u6570\u58f0\u660e\u540e\u52a0\u4e0a\u4e00\u4e2a\u7b49\u53f7\uff08=\uff09\u548c\u9ed8\u8ba4\u503c\u5373\u53ef\u3002\u4f8b\u5982\uff1a function calculate_area(length = 1, width = 1) { return length * width; } \u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0clength \u548c width \u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u90fd\u4e3a [&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-48141","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48141","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=48141"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48141\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}