{"id":47527,"date":"2024-12-02T17:53:25","date_gmt":"2024-12-02T09:53:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47527\/"},"modified":"2024-12-02T17:53:25","modified_gmt":"2024-12-02T09:53:25","slug":"php-%e5%87%bd%e6%95%b0%e5%bc%95%e7%94%a8%e5%8f%82%e6%95%b0%e7%9a%84%e8%a7%84%e5%88%99%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47527\/","title":{"rendered":"PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>PHP \u5f15\u7528\u53c2\u6570\u7528\u4e8e\u5411\u51fd\u6570\u4f20\u9012\u53d8\u91cf\uff0c\u4ee5\u4fbf\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\uff0c\u907f\u514d\u5927\u5bf9\u8c61\u4f20\u9012\u65f6\u5f00\u9500\uff1a\u5728\u53d8\u91cf\u524d\u52a0 &amp; \u7b26\u53f7\u4ee5\u5f15\u7528\u4f20\u9012\u3002\u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u540d\u8bbf\u95ee\u5f15\u7528\u53c2\u6570\u3002\u5bf9\u5f15\u7528\u53c2\u6570\u7684\u4fee\u6539\u4f1a\u53cd\u6620\u5728\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u4e2d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729922677671c86756c9d6.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219<\/strong><\/p>\n<p>PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u662f\u4e00\u79cd\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u65b9\u6cd5\uff0c\u4f7f\u51fd\u6570\u80fd\u591f\u5bf9\u53d8\u91cf\u672c\u8eab\u8fdb\u884c\u4fee\u6539\uff0c\u800c\u4e0d\u662f\u590d\u5236\u3002\u8fd9\u6837\u505a\u907f\u514d\u4e86\u4f20\u9012\u5927\u5bf9\u8c61\u65f6\u7684\u5f00\u9500\uff0c\u5e76\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u4f20\u5165\u7684\u53d8\u91cf\u3002<\/p>\n<p><strong>\u89c4\u5219\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u4e3a\u4e86\u5f15\u7528\u4f20\u9012\u53d8\u91cf\uff0c\u200b\u200b\u5728\u53d8\u91cf\u524d\u6dfb\u52a0\u7b26\u53f7 <code>&amp;<\/code>\u3002<\/strong><\/li>\n<li><strong>\u5f15\u7528\u53c2\u6570\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u540d\u8fdb\u884c\u8bbf\u95ee\u3002<\/strong><\/li>\n<li><strong>\u5bf9\u5f15\u7528\u53c2\u6570\u7684\u4fee\u6539\u5c06\u53cd\u6620\u5728\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u4e2d\u3002<\/strong><\/li>\n<\/ol>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u51fd\u6570 <code>swap()<\/code>\uff0c\u5b83\u4ea4\u6362\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\uff1a<\/p>\n<pre>function swap(&amp;$a, &amp;$b) {\n  $temp = $a;\n  $a = $b;\n  $b = $temp;\n}<\/pre>\n<p>\u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u6309\u5f15\u7528\u4f20\u9012\u4e24\u4e2a\u53d8\u91cf\uff0c\u5e76\u89c2\u5bdf\u5b83\u4eec\u7684\u4fee\u6539\uff1a<\/p>\n<pre>$x = 10;\n$y = 20;\n\nswap($x, $y);\n\necho $x . \" \" . $y; \/\/ \u8f93\u51fa\uff1a20 10<\/pre>\n<p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff1a<\/p>\n<ul>\n<li><code>swap()<\/code> \u51fd\u6570\u4f7f\u7528\u7b26\u53f7 <code>&amp;<\/code> \u4f20\u9012\u53d8\u91cf\uff0c\u8868\u793a\u5b83\u4eec\u6309\u5f15\u7528\u4f20\u9012\u3002<\/li>\n<li>\u51fd\u6570\u4e2d\uff0c<code>$a<\/code> \u548c <code>$b<\/code> \u88ab\u7528\u4f5c\u53d8\u91cf\u540d\u6765\u8bbf\u95ee\u5f15\u7528\u53c2\u6570\u3002<\/li>\n<li>\u7531\u4e8e\u4fee\u6539\u5f15\u7528\u53c2\u6570\u7684\u503c\uff0c\u51fd\u6570\u5916\u90e8\u7684 <code>$x<\/code> \u548c <code>$y<\/code> \u7684\u503c\u4e5f\u5f97\u5230\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u65f6\u8981\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u5bf9\u4f20\u5165\u53d8\u91cf\u7684\u610f\u5916\u4fee\u6539\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u540e\u679c\u3002<\/li>\n<li>\u5f15\u7528\u53c2\u6570\u4e0d\u80fd\u7528\u4e8e\u4f20\u9012\u5e38\u91cf\u6216\u5b57\u9762\u91cf\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u53ef\u53d8\u3002<\/li>\n<li>\u5f15\u7528\u53c2\u6570\u5728\u51fd\u6570\u5185\u90e8\u521b\u5efa\u5230\u539f\u59cb\u53d8\u91cf\u7684\u522b\u540d\uff0c\u5982\u679c\u4e0d\u8fd4\u56de\u5f15\u7528\uff0c\u5219\u5728\u51fd\u6570\u8fd4\u56de\u540e\u522b\u540d\u5c06\u4e0d\u518d\u6709\u6548\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u53c2\u6570\u5f15\u7528\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP \u5f15\u7528\u53c2\u6570\u7528\u4e8e\u5411\u51fd\u6570\u4f20\u9012\u53d8\u91cf\uff0c\u4ee5\u4fbf\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\uff0c\u907f\u514d\u5927\u5bf9\u8c61\u4f20\u9012\u65f6\u5f00\u9500\uff1a\u5728\u53d8\u91cf\u524d\u52a0 &amp; \u7b26\u53f7\u4ee5\u5f15\u7528\u4f20\u9012\u3002\u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u540d\u8bbf\u95ee\u5f15\u7528\u53c2\u6570\u3002\u5bf9\u5f15\u7528\u53c2\u6570\u7684\u4fee\u6539\u4f1a\u53cd\u6620\u5728\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u4e2d\u3002 PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u7684\u89c4\u5219 PHP \u51fd\u6570\u5f15\u7528\u53c2\u6570\u662f\u4e00\u79cd\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u65b9\u6cd5\uff0c\u4f7f\u51fd\u6570\u80fd\u591f\u5bf9\u53d8\u91cf\u672c\u8eab\u8fdb\u884c\u4fee\u6539\uff0c\u800c\u4e0d\u662f\u590d\u5236\u3002\u8fd9\u6837\u505a\u907f\u514d\u4e86\u4f20\u9012\u5927\u5bf9\u8c61\u65f6\u7684\u5f00\u9500\uff0c\u5e76\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u4f20\u5165\u7684\u53d8\u91cf\u3002 \u89c4\u5219\uff1a \u4e3a\u4e86\u5f15\u7528\u4f20\u9012\u53d8\u91cf\uff0c\u200b\u200b\u5728\u53d8\u91cf\u524d\u6dfb\u52a0\u7b26\u53f7 &amp;\u3002 \u5f15\u7528\u53c2\u6570\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u540d\u8fdb\u884c\u8bbf\u95ee\u3002 \u5bf9\u5f15\u7528\u53c2\u6570\u7684\u4fee\u6539\u5c06\u53cd\u6620\u5728\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u4e2d\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u51fd\u6570 swap()\uff0c\u5b83\u4ea4\u6362\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\uff1a function swap(&amp;$a, &amp;$b) { $temp = $a; $a = $b; $b = $temp; } \u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u6309\u5f15\u7528\u4f20\u9012\u4e24\u4e2a\u53d8\u91cf\uff0c\u5e76\u89c2\u5bdf\u5b83\u4eec\u7684\u4fee\u6539\uff1a $x = 10; $y = 20; swap($x, $y); echo $x . &#8221; &#8221; . $y; \/\/ \u8f93\u51fa\uff1a20 10 \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff1a swap() [&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-47527","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47527","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=47527"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47527\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}