{"id":47661,"date":"2024-12-02T08:20:10","date_gmt":"2024-12-02T00:20:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47661\/"},"modified":"2024-12-02T08:20:10","modified_gmt":"2024-12-02T00:20:10","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%bc%95%e7%94%a8%e5%8f%82%e6%95%b0%e4%b8%8e%e5%8f%98%e9%87%8f%e4%bd%9c%e7%94%a8%e5%9f%9f%e7%9a%84%e5%85%b3%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47661\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb<\/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\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\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\u4e2d\u7684\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df\u76f8\u5173\u6027\uff1a\u503c\u53c2\u6570\u6309\u503c\u4f20\u9012\uff0c\u526f\u672c\u66f4\u6539\u4e0d\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\uff1b\u5f15\u7528\u53c2\u6570\u6309\u5f15\u7528\u4f20\u9012\uff0c\u526f\u672c\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\uff1b\u503c\u53c2\u6570\u53ea\u5728\u51fd\u6570\u5185\u90e8\u53ef\u7528\uff1b\u5f15\u7528\u53c2\u6570\u5728\u51fd\u6570\u5185\u5916\u5747\u53ef\u7528\uff1b\u66f4\u6539\u5f15\u7528\u53c2\u6570\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729928734671c9e1e2e9ef.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u662f\u5f15\u7528\u53c2\u6570\u6216\u503c\u53c2\u6570\u3002\u503c\u53c2\u6570\u6309\u503c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u51fd\u6570\u7684\u526f\u672c\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u5f15\u7528\u53c2\u6570\u6309\u5f15\u7528\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u51fd\u6570\u526f\u672c\u7684\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002<\/p>\n<p><strong>\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df<\/strong><\/p>\n<p>\u51fd\u6570\u4e2d\u7684\u53d8\u91cf\u4f5c\u7528\u57df\u662f\u6307\u53d8\u91cf\u5728\u51fd\u6570\u5185\u5916\u7684\u53ef\u89c1\u6027\u3002\u4ee5\u4e0b\u89c4\u5219\u9002\u7528\u4e8e\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df\uff1a<\/p>\n<ul>\n<li>\u503c\u53c2\u6570\u53ea\u80fd\u88ab\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u3002<\/li>\n<li>\u5f15\u7528\u53c2\u6570\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u548c\u5916\u90e8\u4f7f\u7528\u3002<\/li>\n<li>\u5bf9\u5f15\u7528\u53c2\u6570\u7684\u66f4\u6539\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\uff1a<\/p>\n<pre>function changeValueByReference(&amp;$num) {\n  $num += 1;\n}\n\n$num = 10;\necho \"Before function call: $num\\n\";\n\nchangeValueByReference($num);\n\necho \"After function call: $num\\n\";<\/pre>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>Before function call: 10\nAfter function call: 11<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>$num<\/code> \u662f\u4e00\u4e2a\u5f15\u7528\u53c2\u6570\u3002\u5f53\u51fd\u6570 <code>changeValueByReference()<\/code> \u4fee\u6539 <code>$num<\/code> \u7684\u503c\u65f6\uff0c\u5b83\u4e5f\u4fee\u6539\u4e86\u51fd\u6570\u5916\u90e8\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u4e86\u89e3\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\u5bf9\u4e8e\u907f\u514d\u51fa\u73b0\u610f\u5916\u7684\u51fd\u6570\u884c\u4e3a\u975e\u5e38\u91cd\u8981\u3002\u5728\u9700\u8981\u4fee\u6539\u51fd\u6570\u5916\u90e8\u53d8\u91cf\u7684\u503c\u65f6\u4f7f\u7528\u5f15\u7528\u53c2\u6570\uff0c\u5728\u5e0c\u671b\u9694\u79bb\u51fd\u6570\u5185\u90e8\u7684\u66f4\u6539\u65f6\u4f7f\u7528\u503c\u53c2\u6570\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\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,\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb \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\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\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\u4e2d\u7684\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df\u76f8\u5173\u6027\uff1a\u503c\u53c2\u6570\u6309\u503c\u4f20\u9012\uff0c\u526f\u672c\u66f4\u6539\u4e0d\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\uff1b\u5f15\u7528\u53c2\u6570\u6309\u5f15\u7528\u4f20\u9012\uff0c\u526f\u672c\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\uff1b\u503c\u53c2\u6570\u53ea\u5728\u51fd\u6570\u5185\u90e8\u53ef\u7528\uff1b\u5f15\u7528\u53c2\u6570\u5728\u51fd\u6570\u5185\u5916\u5747\u53ef\u7528\uff1b\u66f4\u6539\u5f15\u7528\u53c2\u6570\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002 PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb \u7b80\u4ecb PHP \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u662f\u5f15\u7528\u53c2\u6570\u6216\u503c\u53c2\u6570\u3002\u503c\u53c2\u6570\u6309\u503c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u51fd\u6570\u7684\u526f\u672c\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u5f15\u7528\u53c2\u6570\u6309\u5f15\u7528\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u51fd\u6570\u526f\u672c\u7684\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002 \u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df \u51fd\u6570\u4e2d\u7684\u53d8\u91cf\u4f5c\u7528\u57df\u662f\u6307\u53d8\u91cf\u5728\u51fd\u6570\u5185\u5916\u7684\u53ef\u89c1\u6027\u3002\u4ee5\u4e0b\u89c4\u5219\u9002\u7528\u4e8e\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df\uff1a \u503c\u53c2\u6570\u53ea\u80fd\u88ab\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u3002 \u5f15\u7528\u53c2\u6570\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u548c\u5916\u90e8\u4f7f\u7528\u3002 \u5bf9\u5f15\u7528\u53c2\u6570\u7684\u66f4\u6539\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5f15\u7528\u53c2\u6570\u548c\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\uff1a function changeValueByReference(&amp;$num) { $num += 1; } $num = 10; echo &#8220;Before function call: $num\\n&#8221;; changeValueByReference($num); echo &#8220;After function call: $num\\n&#8221;; \u8f93\u51fa\uff1a Before function call: 10 After function call: 11 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c$num \u662f\u4e00\u4e2a\u5f15\u7528\u53c2\u6570\u3002\u5f53\u51fd\u6570 changeValueByReference() \u4fee\u6539 $num \u7684\u503c\u65f6\uff0c\u5b83\u4e5f\u4fee\u6539\u4e86\u51fd\u6570\u5916\u90e8\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002 \u7ed3\u8bba \u4e86\u89e3\u5f15\u7528\u53c2\u6570\u4e0e\u53d8\u91cf\u4f5c\u7528\u57df\u7684\u5173\u7cfb\u5bf9\u4e8e\u907f\u514d\u51fa\u73b0\u610f\u5916\u7684\u51fd\u6570\u884c\u4e3a\u975e\u5e38\u91cd\u8981\u3002\u5728\u9700\u8981\u4fee\u6539\u51fd\u6570\u5916\u90e8\u53d8\u91cf\u7684\u503c\u65f6\u4f7f\u7528\u5f15\u7528\u53c2\u6570\uff0c\u5728\u5e0c\u671b\u9694\u79bb\u51fd\u6570\u5185\u90e8\u7684\u66f4\u6539\u65f6\u4f7f\u7528\u503c\u53c2\u6570\u3002 [&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-47661","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47661","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=47661"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47661\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}