{"id":46778,"date":"2024-12-02T11:52:36","date_gmt":"2024-12-02T03:52:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46778\/"},"modified":"2024-12-02T11:52:36","modified_gmt":"2024-12-02T03:52:36","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-php-%e5%87%bd%e6%95%b0%e4%b8%ad%e6%9c%89%e6%95%88%e5%a4%84%e7%90%86%e5%bc%95%e7%94%a8%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46778\/","title":{"rendered":"\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p>\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u53ef\u4ee5\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002\u4e3a\u4e86\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\uff0c\u8bf7\u786e\u4fdd\uff1a\u5728\u53c2\u6570\u7c7b\u578b\u58f0\u660e\u524d\u4f7f\u7528 &amp; \u7b26\u53f7\u4f20\u9012\u53c2\u6570\u4e3a\u5f15\u7528\u3002\u4ec5\u5728\u9700\u8981\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u65f6\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u3002\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u907f\u514d\u610f\u5916\u7684\u7c7b\u578b\u8f6c\u6362\u3002\u6ce8\u610f\u5f15\u7528\u53c2\u6570\u7684\u987a\u5e8f\uff0c\u9519\u8bef\u987a\u5e8f\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u884c\u4e3a\u3002\u786e\u4fdd\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u662f\u6709\u6548\u503c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729846130671b5b7262134.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\u63d2\u56fe\" alt=\"\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u5f15\u7528\u53c2\u6570\u5728 PHP \u51fd\u6570\u4e2d\u5341\u5206\u6709\u7528\uff0c\u53ef\u4ee5\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002\u7136\u800c\uff0c\u4e0d\u5f53\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u4f1a\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\u548c\u4ee3\u7801\u9519\u8bef\u3002\u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u5f15\u7528\u53c2\u6570\uff0c\u907f\u514d\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n<p><strong>\u6982\u5ff5<\/strong><\/p>\n<ul>\n<li><strong>\u503c\u53c2\u6570\uff1a<\/strong> \u5728\u51fd\u6570\u5185\u90e8\u4e0d\u4f1a\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002<\/li>\n<li><strong>\u5f15\u7528\u53c2\u6570\uff1a<\/strong> \u5728\u51fd\u6570\u5185\u90e8\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u8981\u5c06\u53c2\u6570\u4f20\u9012\u4e3a\u5f15\u7528\uff0c\u8bf7\u5728\u53c2\u6570\u7c7b\u578b\u58f0\u660e\u524d\u9762\u6dfb\u52a0\u4e00\u4e2a <code>&amp;<\/code> \u7b26\u53f7\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function swapByReference(&amp; $a, &amp; $b) {\n  \/\/ \u4ea4\u6362 $a \u548c $b \u7684\u503c\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u4ee5\u4e00\u4e2a\u4ea4\u6362\u4e24\u4e2a\u6574\u6570\u7684\u51fd\u6570\u4e3a\u4f8b\u3002<\/p>\n<p><strong>\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>&lt;?php\n\/\/ \u539f\u59cb\u503c\n$x = 1;\n$y = 2;\n\n\/\/ \u4ea4\u6362\u53d8\u91cf\u7684\u503c\nswapByReference($x, $y);\n\n\/\/ \u6253\u5370\u4ea4\u6362\u540e\u7684\u503c\necho \"$x, $y\";  \/\/ \u8f93\u51fa\uff1a2, 1<\/pre>\n<p><strong>\u68c0\u6d4b\u5e38\u89c1\u7684\u9519\u8bef<\/strong><\/p>\n<ul>\n<li><strong>\u672a\u58f0\u660e\u53c2\u6570\u4e3a\u5f15\u7528\uff1a<\/strong> \u51fd\u6570\u53ef\u80fd\u4e0d\u4f1a\u6309\u9884\u671f\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002<\/li>\n<li><strong>\u91cd\u590d\u58f0\u660e\u53c2\u6570\u4e3a\u5f15\u7528\uff1a<\/strong> PHP \u4e2d\u4e0d\u5141\u8bb8\u91cd\u590d\u58f0\u660e\u5f15\u7528\u53c2\u6570\uff0c\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n<li><strong>\u4fee\u6539\u4e0d\u6b63\u786e\u7684\u53d8\u91cf\uff1a<\/strong> \u786e\u4fdd\u5728\u51fd\u6570\u5185\u4fee\u6539\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u5f15\u7528\u53c2\u6570\u3002<\/li>\n<li><strong>\u5411\u5f15\u7528\u53c2\u6570\u4f20\u9012 null \u503c\uff1a<\/strong> null \u503c\u4e0d\u80fd\u4f20\u9012\u7ed9\u5f15\u7528\u53c2\u6570\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p><strong>\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<ul>\n<li>\u4ec5\u5728\u9700\u8981\u76f4\u63a5\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u65f6\u624d\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u3002<\/li>\n<li>\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u907f\u514d\u610f\u5916\u7684\u7c7b\u578b\u8f6c\u6362\u3002<\/li>\n<li>\u59cb\u7ec8\u6ce8\u610f\u5f15\u7528\u53c2\u6570\u7684\u987a\u5e8f\uff0c\u56e0\u4e3a\u9519\u8bef\u7684\u987a\u5e8f\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u884c\u4e3a\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u4e4b\u524d\u786e\u4fdd\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u662f\u6709\u6548\u503c\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4f7f\u7528\u5f15\u7528\u53c2\u6570\uff0c\u589e\u5f3a PHP \u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8ephp,\u53c2\u6570\u4f20\u9012\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\u300a\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\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>\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570 \u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300a\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\u300b\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01 \u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u53ef\u4ee5\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002\u4e3a\u4e86\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570\uff0c\u8bf7\u786e\u4fdd\uff1a\u5728\u53c2\u6570\u7c7b\u578b\u58f0\u660e\u524d\u4f7f\u7528 &amp; \u7b26\u53f7\u4f20\u9012\u53c2\u6570\u4e3a\u5f15\u7528\u3002\u4ec5\u5728\u9700\u8981\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u65f6\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u3002\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u907f\u514d\u610f\u5916\u7684\u7c7b\u578b\u8f6c\u6362\u3002\u6ce8\u610f\u5f15\u7528\u53c2\u6570\u7684\u987a\u5e8f\uff0c\u9519\u8bef\u987a\u5e8f\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u884c\u4e3a\u3002\u786e\u4fdd\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u662f\u6709\u6548\u503c\u3002 \u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u6709\u6548\u5904\u7406\u5f15\u7528\u53c2\u6570 \u7b80\u4ecb \u5f15\u7528\u53c2\u6570\u5728 PHP \u51fd\u6570\u4e2d\u5341\u5206\u6709\u7528\uff0c\u53ef\u4ee5\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002\u7136\u800c\uff0c\u4e0d\u5f53\u4f7f\u7528\u5f15\u7528\u53c2\u6570\u4f1a\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\u548c\u4ee3\u7801\u9519\u8bef\u3002\u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u5f15\u7528\u53c2\u6570\uff0c\u907f\u514d\u6f5c\u5728\u95ee\u9898\u3002 \u6982\u5ff5 \u503c\u53c2\u6570\uff1a \u5728\u51fd\u6570\u5185\u90e8\u4e0d\u4f1a\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002 \u5f15\u7528\u53c2\u6570\uff1a \u5728\u51fd\u6570\u5185\u90e8\u4fee\u6539\u8c03\u7528\u65b9\u53d8\u91cf\u7684\u503c\u3002 \u8bed\u6cd5 \u8981\u5c06\u53c2\u6570\u4f20\u9012\u4e3a\u5f15\u7528\uff0c\u8bf7\u5728\u53c2\u6570\u7c7b\u578b\u58f0\u660e\u524d\u9762\u6dfb\u52a0\u4e00\u4e2a &amp; \u7b26\u53f7\u3002\u4f8b\u5982\uff1a function swapByReference(&amp; $a, &amp; $b) { \/\/ \u4ea4\u6362 $a \u548c $b \u7684\u503c } \u5b9e\u6218\u6848\u4f8b \u8ba9\u6211\u4eec\u4ee5\u4e00\u4e2a\u4ea4\u6362\u4e24\u4e2a\u6574\u6570\u7684\u51fd\u6570\u4e3a\u4f8b\u3002 \u4ee3\u7801\uff1a &lt;?php \/\/ \u539f\u59cb\u503c $x = 1; $y = 2; \/\/ \u4ea4\u6362\u53d8\u91cf\u7684\u503c swapByReference($x, [&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-46778","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46778","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=46778"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46778\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}