{"id":47796,"date":"2024-12-02T14:28:46","date_gmt":"2024-12-02T06:28:46","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47796\/"},"modified":"2024-12-02T14:28:46","modified_gmt":"2024-12-02T06:28:46","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%bc%95%e7%94%a8%e5%92%8c%e6%b7%b1%e5%a4%8d%e5%88%b6%e4%b9%8b%e9%97%b4%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47796\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p>PHP \u51fd\u6570\u4e2d\uff0c\u5f15\u7528\u548c\u6df1\u590d\u5236\u7684\u533a\u522b\uff1a\u5f15\u7528\u6307\u5411\u539f\u59cb\u6570\u7ec4\u7684\u522b\u540d\uff0c\u66f4\u6539\u5f15\u7528\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff1b\u6df1\u590d\u5236\u521b\u5efa\u5b8c\u5168\u72ec\u7acb\u526f\u672c\uff0c\u66f4\u6539\u6df1\u590d\u5236\u4e0d\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff1b\u6df1\u590d\u5236\u9012\u5f52\u590d\u5236\u6570\u7ec4\u6240\u6709\u5143\u7d20\uff0c\u65e0\u8bba\u5176\u7c7b\u578b\u4e3a\u4f55\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729936534671cbc968fe20.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u548c\u6df1\u590d\u5236\u7684\u533a\u522b<\/strong><\/p>\n<p>\u5728 PHP \u51fd\u6570\u4e2d\u5904\u7406\u6570\u7ec4\u65f6\uff0c\u7406\u89e3\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u5f15\u7528<\/strong><\/p>\n<ul>\n<li>\u5f15\u7528\u4f1a\u521b\u5efa\u4e00\u4e2a\u6307\u5411\u539f\u59cb\u6570\u7ec4\u7684\u522b\u540d\u3002<\/li>\n<li>\u66f4\u6539\u5f15\u7528\u53d8\u91cf\u5c06\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<li>\u5f15\u7528\u4e0d\u4f1a\u521b\u5efa\u65b0\u6570\u7ec4\u7684\u526f\u672c\uff0c\u800c\u662f\u76f4\u63a5\u5f15\u7528\u76f8\u540c\u7684\u5185\u5b58\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p><strong>\u6df1\u590d\u5236<\/strong><\/p>\n<ul>\n<li>\u6df1\u590d\u5236\u4f1a\u521b\u5efa\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5b8c\u5168\u72ec\u7acb\u526f\u672c\u3002<\/li>\n<li>\u66f4\u6539\u6df1\u590d\u5236\u53d8\u91cf\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<li>\u6df1\u590d\u5236\u4f1a\u9012\u5f52\u590d\u5236\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u65e0\u8bba\u8fd9\u4e9b\u5143\u7d20\u662f\u6570\u7ec4\u8fd8\u662f\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\uff1a<\/p>\n<pre>function passByReference(&amp;$arr) {\n    $arr[] = 5;\n}\n\nfunction passByValue($arr) {\n    $arr[] = 5;\n}\n\n$arr = [1, 2, 3];\n\npassByReference($arr);\nvar_dump($arr); \/\/ [1, 2, 3, 5]\n\npassByValue($arr);\nvar_dump($arr); \/\/ [1, 2, 3]<\/pre>\n<p>\u5728\u7b2c\u4e00\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5c06\u6570\u7ec4\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u5373 <code>passByReference(&amp;$arr)<\/code>\u3002\u8fd9\u4f7f\u5f97\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u5e76\u5728\u51fd\u6570\u5916\u90e8\u53ef\u89c1\u3002<\/p>\n<p>\u5728\u7b2c\u4e8c\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5c06\u6570\u7ec4\u4f5c\u4e3a\u503c\u4f20\u9012\uff0c\u5373 <code>passByValue($arr)<\/code>\u3002\u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7684\u526f\u672c\uff0c\u51fd\u6570\u5bf9\u526f\u672c\u6240\u505a\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8ephp,\u5f15\u7528,\u6df1\u590d\u5236\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f \u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01 PHP \u51fd\u6570\u4e2d\uff0c\u5f15\u7528\u548c\u6df1\u590d\u5236\u7684\u533a\u522b\uff1a\u5f15\u7528\u6307\u5411\u539f\u59cb\u6570\u7ec4\u7684\u522b\u540d\uff0c\u66f4\u6539\u5f15\u7528\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff1b\u6df1\u590d\u5236\u521b\u5efa\u5b8c\u5168\u72ec\u7acb\u526f\u672c\uff0c\u66f4\u6539\u6df1\u590d\u5236\u4e0d\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff1b\u6df1\u590d\u5236\u9012\u5f52\u590d\u5236\u6570\u7ec4\u6240\u6709\u5143\u7d20\uff0c\u65e0\u8bba\u5176\u7c7b\u578b\u4e3a\u4f55\u3002 PHP \u51fd\u6570\u4e2d\u5f15\u7528\u548c\u6df1\u590d\u5236\u7684\u533a\u522b \u5728 PHP \u51fd\u6570\u4e2d\u5904\u7406\u6570\u7ec4\u65f6\uff0c\u7406\u89e3\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u81f3\u5173\u91cd\u8981\u3002 \u5f15\u7528 \u5f15\u7528\u4f1a\u521b\u5efa\u4e00\u4e2a\u6307\u5411\u539f\u59cb\u6570\u7ec4\u7684\u522b\u540d\u3002 \u66f4\u6539\u5f15\u7528\u53d8\u91cf\u5c06\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002 \u5f15\u7528\u4e0d\u4f1a\u521b\u5efa\u65b0\u6570\u7ec4\u7684\u526f\u672c\uff0c\u800c\u662f\u76f4\u63a5\u5f15\u7528\u76f8\u540c\u7684\u5185\u5b58\u4f4d\u7f6e\u3002 \u6df1\u590d\u5236 \u6df1\u590d\u5236\u4f1a\u521b\u5efa\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5b8c\u5168\u72ec\u7acb\u526f\u672c\u3002 \u66f4\u6539\u6df1\u590d\u5236\u53d8\u91cf\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002 \u6df1\u590d\u5236\u4f1a\u9012\u5f52\u590d\u5236\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u65e0\u8bba\u8fd9\u4e9b\u5143\u7d20\u662f\u6570\u7ec4\u8fd8\u662f\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5f15\u7528\u548c\u6df1\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\uff1a function passByReference(&amp;$arr) { $arr[] = 5; } function passByValue($arr) { $arr[] = 5; } $arr = [1, 2, 3]; passByReference($arr); var_dump($arr); \/\/ [1, 2, 3, 5] passByValue($arr); var_dump($arr); \/\/ [1, 2, 3] \u5728\u7b2c\u4e00\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5c06\u6570\u7ec4\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u5373 passByReference(&amp;$arr)\u3002\u8fd9\u4f7f\u5f97\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u5e76\u5728\u51fd\u6570\u5916\u90e8\u53ef\u89c1\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-47796","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47796","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=47796"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47796\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}