{"id":47890,"date":"2024-12-02T09:40:25","date_gmt":"2024-12-02T01:40:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47890\/"},"modified":"2024-12-02T09:40:25","modified_gmt":"2024-12-02T01:40:25","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%bc%95%e7%94%a8%e5%8f%82%e6%95%b0%e5%92%8c%e5%80%bc%e4%bc%a0%e9%80%92%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\/47890\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p>PHP \u4e2d\uff0c\u53c2\u6570\u4f20\u9012\u5206\u4e3a\u5f15\u7528\u4f20\u9012\u548c\u503c\u4f20\u9012\uff1a\u503c\u4f20\u9012\uff1a\u51fd\u6570\u53c2\u6570\u63a5\u6536\u539f\u59cb\u503c\u7684\u526f\u672c\uff0c\u5728\u51fd\u6570\u5185\u5bf9\u53c2\u6570\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u53d8\u91cf\uff1b\u5f15\u7528\u4f20\u9012\uff1a\u51fd\u6570\u53c2\u6570\u63a5\u6536\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5728\u51fd\u6570\u5185\u5bf9\u53c2\u6570\u7684\u4fee\u6539\u4f1a\u53cd\u6620\u5728\u539f\u53d8\u91cf\u4e2d\uff1b\u63a8\u8350\u4f18\u5148\u4f7f\u7528\u503c\u4f20\u9012\uff0c\u4ee5\u907f\u514d\u610f\u5916\u4fee\u6539\u539f\u53d8\u91cf\uff1b\u5f15\u7528\u4f20\u9012\u9002\u7528\u4e8e\u9700\u8981\u5728\u51fd\u6570\u5185\u4fee\u6539\u539f\u53d8\u91cf\u7684\u60c5\u51b5\uff0c\u5982\u66f4\u65b0\u5bf9\u8c61\u7684\u5c5e\u6027\uff1b\u5b9e\u6218\u6848\u4f8b\uff1a\u5728\u8d2d\u7269\u7f51\u7ad9\u4e2d\uff0c\u6dfb\u52a0\u5546\u54c1 ID \u65f6\u91c7\u7528\u503c\u4f20\u9012\uff0c\u800c\u66f4\u65b0\u8d2d\u7269\u8f66\u5546\u54c1\u6570\u91cf\u65f6\u91c7\u7528\u5f15\u7528\u4f20\u9012\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729941574671cd0460506c.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u4ee5\u5f15\u7528\u6216\u503c\u7684\u65b9\u5f0f\u4f20\u9012\u3002\u7406\u89e3\u8fd9\u4e24\u79cd\u4f20\u9012\u65b9\u5f0f\u4e4b\u95f4\u7684\u5dee\u5f02\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u4e14\u53ef\u9884\u6d4b\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u503c\u4f20\u9012<\/strong><\/p>\n<ul>\n<li>\u5728\u503c\u4f20\u9012\u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u63a5\u6536\u539f\u59cb\u503c\u7684\u526f\u672c\u3002<\/li>\n<li>\u5bf9\u51fd\u6570\u4e2d\u53c2\u6570\u6240\u505a\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u8be5\u53d8\u91cf\u5728\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u3002<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>function change_value($x) {\n  $x = $x + 1;\n}\n\n$a = 5;\nchange_value($a);\necho $a; \/\/ \u8f93\u51fa: 5<\/pre>\n<p><strong>\u5f15\u7528\u4f20\u9012<\/strong><\/p>\n<ul>\n<li>\u5728\u5f15\u7528\u4f20\u9012\u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u63a5\u6536\u6307\u5411\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\u3002<\/li>\n<li>\u5bf9\u51fd\u6570\u4e2d\u53c2\u6570\u6240\u505a\u7684\u4fee\u6539\u4e5f\u4f1a\u53cd\u6620\u5728\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u3002<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>function change_reference(&amp;$x) {\n  $x = $x + 1;\n}\n\n$a = 5;\nchange_reference($a);\necho $a; \/\/ \u8f93\u51fa: 6<\/pre>\n<p><strong>\u4ec0\u4e48\u65f6\u5019\u4f7f\u7528\u5f15\u7528\u4f20\u9012\uff1f<\/strong><\/p>\n<ul>\n<li>\u5f53\u9700\u8981\u5728\u51fd\u6570\u4e2d\u4fee\u6539\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u7684\u4e00\u4e2a\u53d8\u91cf\u65f6\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u8981\u5728\u51fd\u6570\u4e2d\u66f4\u65b0\u5bf9\u8c61\u7684\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u4f55\u65f6\u4f7f\u7528\u503c\u4f20\u9012\uff1f<\/strong><\/p>\n<ul>\n<li>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5e94\u4f18\u5148\u4f7f\u7528\u503c\u4f20\u9012\uff0c\u56e0\u4e3a\u5b83\u66f4\u5b89\u5168\u3001\u66f4\u6613\u4e8e\u63a8\u7406\u3002<\/li>\n<li>\u907f\u514d\u610f\u5916\u4fee\u6539\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u539f\u59cb\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8d2d\u7269\u7f51\u7ad9\uff0c\u6709\u4ee5\u4e0b\u51fd\u6570\u7528\u4e8e\u5411\u8d2d\u7269\u8f66\u4e2d\u6dfb\u52a0\u5546\u54c1\uff1a<\/p>\n<pre>function add_to_cart($cart, $product_id, $quantity) {\n  \/\/ \u503c\u4f20\u9012: \u6dfb\u52a0\u5546\u54c1 ID \u7684\u526f\u672c\n  $cart[0][] = $product_id;\n\n  \/\/ \u5f15\u7528\u4f20\u9012: \u66f4\u65b0\u8d2d\u7269\u8f66\u4e2d\u5546\u54c1\u7684\u6570\u91cf\n  $cart[$product_id][0] = $cart[$product_id][0] + $quantity;\n}<\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u6765\u66f4\u65b0\u8d2d\u7269\u8f66\u7684\u5546\u54c1\u6570\u91cf\uff0c\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u4fee\u6539\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u7684\u8d2d\u7269\u8f66\u3002\u4f46\u662f\uff0c\u5c06\u5546\u54c1 ID \u4f5c\u4e3a\u526f\u672c\u6dfb\u52a0\uff0c\u56e0\u4e3a\u6211\u4eec\u4e0d\u60f3\u4fee\u6539\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u7684\u539f\u59cb\u503c\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f \u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~ PHP \u4e2d\uff0c\u53c2\u6570\u4f20\u9012\u5206\u4e3a\u5f15\u7528\u4f20\u9012\u548c\u503c\u4f20\u9012\uff1a\u503c\u4f20\u9012\uff1a\u51fd\u6570\u53c2\u6570\u63a5\u6536\u539f\u59cb\u503c\u7684\u526f\u672c\uff0c\u5728\u51fd\u6570\u5185\u5bf9\u53c2\u6570\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u53d8\u91cf\uff1b\u5f15\u7528\u4f20\u9012\uff1a\u51fd\u6570\u53c2\u6570\u63a5\u6536\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5728\u51fd\u6570\u5185\u5bf9\u53c2\u6570\u7684\u4fee\u6539\u4f1a\u53cd\u6620\u5728\u539f\u53d8\u91cf\u4e2d\uff1b\u63a8\u8350\u4f18\u5148\u4f7f\u7528\u503c\u4f20\u9012\uff0c\u4ee5\u907f\u514d\u610f\u5916\u4fee\u6539\u539f\u53d8\u91cf\uff1b\u5f15\u7528\u4f20\u9012\u9002\u7528\u4e8e\u9700\u8981\u5728\u51fd\u6570\u5185\u4fee\u6539\u539f\u53d8\u91cf\u7684\u60c5\u51b5\uff0c\u5982\u66f4\u65b0\u5bf9\u8c61\u7684\u5c5e\u6027\uff1b\u5b9e\u6218\u6848\u4f8b\uff1a\u5728\u8d2d\u7269\u7f51\u7ad9\u4e2d\uff0c\u6dfb\u52a0\u5546\u54c1 ID \u65f6\u91c7\u7528\u503c\u4f20\u9012\uff0c\u800c\u66f4\u65b0\u8d2d\u7269\u8f66\u5546\u54c1\u6570\u91cf\u65f6\u91c7\u7528\u5f15\u7528\u4f20\u9012\u3002 PHP \u4e2d\u5f15\u7528\u53c2\u6570\u548c\u503c\u4f20\u9012\u7684\u533a\u522b \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u4ee5\u5f15\u7528\u6216\u503c\u7684\u65b9\u5f0f\u4f20\u9012\u3002\u7406\u89e3\u8fd9\u4e24\u79cd\u4f20\u9012\u65b9\u5f0f\u4e4b\u95f4\u7684\u5dee\u5f02\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u4e14\u53ef\u9884\u6d4b\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002 \u503c\u4f20\u9012 \u5728\u503c\u4f20\u9012\u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u63a5\u6536\u539f\u59cb\u503c\u7684\u526f\u672c\u3002 \u5bf9\u51fd\u6570\u4e2d\u53c2\u6570\u6240\u505a\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u8be5\u53d8\u91cf\u5728\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u3002 \u4ee3\u7801\u793a\u4f8b\uff1a function change_value($x) { $x = $x + 1; } $a = 5; change_value($a); echo $a; \/\/ \u8f93\u51fa: 5 \u5f15\u7528\u4f20\u9012 \u5728\u5f15\u7528\u4f20\u9012\u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u63a5\u6536\u6307\u5411\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\u3002 \u5bf9\u51fd\u6570\u4e2d\u53c2\u6570\u6240\u505a\u7684\u4fee\u6539\u4e5f\u4f1a\u53cd\u6620\u5728\u8c03\u7528\u51fd\u6570\u7684\u8303\u56f4\u5185\u3002 \u4ee3\u7801\u793a\u4f8b\uff1a function change_reference(&amp;$x) { $x = $x + 1; } $a = 5; change_reference($a); echo $a; \/\/ [&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-47890","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47890","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=47890"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47890\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}