{"id":47112,"date":"2024-12-02T11:31:59","date_gmt":"2024-12-02T03:31:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47112\/"},"modified":"2024-12-02T11:31:59","modified_gmt":"2024-12-02T03:31:59","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92%e7%9a%84%e8%a7%84%e5%88%99%e5%92%8c%e9%99%90%e5%88%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47112\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236<\/h1>\n<p>\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p>PHP \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u6309\u503c\u6216\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u5f15\u7528\u4f20\u9012\u7684\u53c2\u6570\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u4fee\u6539\uff0c\u5176\u4fee\u6539\u5728\u5916\u754c\u4e5f\u53ef\u89c1\u3002\u89c4\u5219\u5305\u62ec\uff1a\u53ea\u80fd\u4f20\u9012\u53d8\u91cf\uff0c\u57fa\u672c\u7c7b\u578b\u4e0d\u80fd\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u5f15\u7528\u4f20\u9012\u9700\u8981\u5728\u53c2\u6570\u524d\u52a0 &amp; \u7b26\u53f7\u3002class \u5bf9\u8c61\u4e0d\u80fd\u6309\u5f15\u7528\u4f20\u9012\u3002\u907f\u514d\u540c\u65f6\u6309\u503c\u548c\u6309\u5f15\u7528\u4f20\u9012\u540c\u4e00\u4e2a\u53d8\u91cf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729866564671bab44494d1.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236<\/h2>\n<p>\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u6309\u503c\u4f20\u9012\u6216\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u5f15\u7528\u4f20\u9012\u662f\u6307\u51fd\u6570\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u4fee\u6539\u4f20\u5165\u53c2\u6570\u7684\u503c\uff0c\u800c\u6309\u503c\u4f20\u9012\u5219\u4e0d\u4f1a\u3002<\/p>\n<p><strong>\u89c4\u5219\uff1a<\/strong><\/p>\n<ul>\n<li>\u53ea\u6709\u53d8\u91cf\u53ef\u4ee5\u6309\u5f15\u7528\u4f20\u9012\uff0c\u57fa\u672c\u7c7b\u578b\uff08int\u3001float\u3001string \u7b49\uff09\u4e0d\u80fd\u6309\u5f15\u7528\u4f20\u9012\u3002<\/li>\n<li>\u8981\u6309\u5f15\u7528\u4f20\u9012\u53d8\u91cf\uff0c\u9700\u8981\u5728\u51fd\u6570\u53c2\u6570\u524d\u52a0\u4e0a\u7b26\u53f7 <code>&amp;<\/code>\u3002<\/li>\n<li>\u6309\u5f15\u7528\u4f20\u9012\u7684\u53d8\u91cf\u5728\u51fd\u6570\u5185\u90e8\u88ab\u4fee\u6539\u540e\uff0c\u5728\u5916\u754c\u4e5f\u80fd\u591f\u770b\u5230\u4fee\u6539\u540e\u7684\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u9650\u5236\uff1a<\/strong><\/p>\n<ul>\n<li>\u6309\u5f15\u7528\u4f20\u9012\u5fc5\u987b\u4f7f\u7528\u53d8\u91cf\uff0c\u4e0d\u80fd\u4f7f\u7528\u8868\u8fbe\u5f0f\u3002<\/li>\n<li>\u6309\u5f15\u7528\u4f20\u9012\u7684\u53d8\u91cf\u4e0d\u80fd\u662f class \u5bf9\u8c61\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u590d\u6742\u7684\u6570\u636e\u7c7b\u578b\u4e14\u65e0\u6cd5\u6309\u5f15\u7528\u4f20\u9012\u3002<\/li>\n<li>\u907f\u514d\u5728\u51fd\u6570\u4e2d\u540c\u65f6\u6309\u503c\u548c\u6309\u5f15\u7528\u4f20\u9012\u540c\u4e00\u4e2a\u53d8\u91cf\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u5bfc\u81f4\u4e0d\u53ef\u9884\u671f\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u6309\u5f15\u7528\u4f20\u9012\u53d8\u91cf\u7684\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>function swapNumbers(&amp;$a, &amp;$b) {\n  $temp = $a;\n  $a = $b;\n  $b = $temp;\n}\n\n$x = 1;\n$y = 2;\n\nswapNumbers($x, $y);\n\necho \"x: $x, y: $y\"; \/\/ \u8f93\u51fa \"x: 2, y: 1\"<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>swapNumbers<\/code> \u51fd\u6570\u901a\u8fc7\u6309\u5f15\u7528\u4f20\u9012\u53d8\u91cf <code>$a<\/code> \u548c <code>$b<\/code>\uff0c\u5728\u51fd\u6570\u5185\u90e8\u4ea4\u6362\u4e86\u5b83\u4eec\u7684\u539f\u59cb\u503c\u3002\u56e0\u6b64\uff0c\u5728\u51fd\u6570\u5916\u90e8\u4e5f\u80fd\u770b\u5230\u4ea4\u6362\u540e\u7684\u503c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236 \u4f60\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01 PHP \u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u6309\u503c\u6216\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u5f15\u7528\u4f20\u9012\u7684\u53c2\u6570\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u4fee\u6539\uff0c\u5176\u4fee\u6539\u5728\u5916\u754c\u4e5f\u53ef\u89c1\u3002\u89c4\u5219\u5305\u62ec\uff1a\u53ea\u80fd\u4f20\u9012\u53d8\u91cf\uff0c\u57fa\u672c\u7c7b\u578b\u4e0d\u80fd\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u5f15\u7528\u4f20\u9012\u9700\u8981\u5728\u53c2\u6570\u524d\u52a0 &amp; \u7b26\u53f7\u3002class \u5bf9\u8c61\u4e0d\u80fd\u6309\u5f15\u7528\u4f20\u9012\u3002\u907f\u514d\u540c\u65f6\u6309\u503c\u548c\u6309\u5f15\u7528\u4f20\u9012\u540c\u4e00\u4e2a\u53d8\u91cf\u3002 PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u89c4\u5219\u548c\u9650\u5236 \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u53ef\u4ee5\u6309\u503c\u4f20\u9012\u6216\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u5f15\u7528\u4f20\u9012\u662f\u6307\u51fd\u6570\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u4fee\u6539\u4f20\u5165\u53c2\u6570\u7684\u503c\uff0c\u800c\u6309\u503c\u4f20\u9012\u5219\u4e0d\u4f1a\u3002 \u89c4\u5219\uff1a \u53ea\u6709\u53d8\u91cf\u53ef\u4ee5\u6309\u5f15\u7528\u4f20\u9012\uff0c\u57fa\u672c\u7c7b\u578b\uff08int\u3001float\u3001string \u7b49\uff09\u4e0d\u80fd\u6309\u5f15\u7528\u4f20\u9012\u3002 \u8981\u6309\u5f15\u7528\u4f20\u9012\u53d8\u91cf\uff0c\u9700\u8981\u5728\u51fd\u6570\u53c2\u6570\u524d\u52a0\u4e0a\u7b26\u53f7 &amp;\u3002 \u6309\u5f15\u7528\u4f20\u9012\u7684\u53d8\u91cf\u5728\u51fd\u6570\u5185\u90e8\u88ab\u4fee\u6539\u540e\uff0c\u5728\u5916\u754c\u4e5f\u80fd\u591f\u770b\u5230\u4fee\u6539\u540e\u7684\u503c\u3002 \u9650\u5236\uff1a \u6309\u5f15\u7528\u4f20\u9012\u5fc5\u987b\u4f7f\u7528\u53d8\u91cf\uff0c\u4e0d\u80fd\u4f7f\u7528\u8868\u8fbe\u5f0f\u3002 \u6309\u5f15\u7528\u4f20\u9012\u7684\u53d8\u91cf\u4e0d\u80fd\u662f class \u5bf9\u8c61\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u590d\u6742\u7684\u6570\u636e\u7c7b\u578b\u4e14\u65e0\u6cd5\u6309\u5f15\u7528\u4f20\u9012\u3002 \u907f\u514d\u5728\u51fd\u6570\u4e2d\u540c\u65f6\u6309\u503c\u548c\u6309\u5f15\u7528\u4f20\u9012\u540c\u4e00\u4e2a\u53d8\u91cf\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u5bfc\u81f4\u4e0d\u53ef\u9884\u671f\u7684\u7ed3\u679c\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a \u4e0b\u9762\u662f\u4e00\u4e2a\u6309\u5f15\u7528\u4f20\u9012\u53d8\u91cf\u7684\u51fd\u6570\u7684\u793a\u4f8b\uff1a function swapNumbers(&amp;$a, &amp;$b) { $temp = $a; $a = $b; $b = $temp; } $x = 1; $y = 2; swapNumbers($x, $y); echo &#8220;x: $x, y: $y&#8221;; [&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-47112","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47112","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=47112"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47112\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}