{"id":47732,"date":"2024-12-02T16:51:27","date_gmt":"2024-12-02T08:51:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47732\/"},"modified":"2024-12-02T16:51:27","modified_gmt":"2024-12-02T08:51:27","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%bc%95%e7%94%a8%ef%bc%9a%e5%9c%a8%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%bc%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47732\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n<p>\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\uff1a\u5728\u51fd\u6570\u4e2d\u4f20\u9012\u53d8\u91cf\u540d\u524d\u6dfb\u52a0 &amp; \u521b\u5efa\u5f15\u7528\u3002\u5728\u51fd\u6570\u5185\u4fee\u6539\u5f15\u7528\u5c06\u5f71\u54cd\u8c03\u7528\u51fd\u6570\u4e2d\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u5f15\u7528\u53ef\u7528\u4e8e\u66f4\u65b0\u5bf9\u8c61\u5c5e\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729932807671cae0753eec.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\uff1a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7528\u6cd5<\/strong><\/p>\n<p>\u5728 PHP \u51fd\u6570\u4e2d\uff0c\u5f15\u7528\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u8c03\u7528\u51fd\u6570\u4e2d\u4f20\u9012\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u5bf9\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u8981\u521b\u5efa\u4e00\u4e2a\u5f15\u7528\uff0c\u9700\u8981\u5728\u53d8\u91cf\u540d\u524d\u52a0\u4e0a\u4e00\u4e2a <code>&amp;<\/code> \u7b26\u53f7\uff1a<\/p>\n<pre>function &amp;getRef($var) {\n    return $var;\n}<\/pre>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728\u51fd\u6570\u5185\uff0c\u5bf9\u5f15\u7528\u7684\u4fee\u6539\u4f1a\u5f71\u54cd\u8c03\u7528\u51fd\u6570\u4e2d\u4f20\u9012\u7684\u53d8\u91cf\u503c\uff1a<\/p>\n<pre>function incRef(&amp;$var) {\n    $var++;\n}\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\u5e76\u4f20\u9012\u5230\u51fd\u6570\n$num = 10;\nincRef($num); \/\/ $num \u73b0\u5728\u7b49\u4e8e 11<\/pre>\n<p><strong>\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u7528\u6cd5<\/strong><\/p>\n<p>\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u5f15\u7528\u5bf9\u4e8e\u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\u975e\u5e38\u6709\u7528\uff1a<\/p>\n<pre>class MyClass {\n    private $name;\n\n    public function &amp;getName() {\n        return $this-&gt;name;\n    }\n}\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\u5e76\u8c03\u7528 getName() \u65b9\u6cd5\n$obj = new MyClass();\n$name = &amp;$obj-&gt;getName(); \/\/ \u83b7\u5f97\u5bf9 $name \u5c5e\u6027\u7684\u5f15\u7528\n\n\/\/ \u4fee\u6539\u5f15\u7528\u5c06\u66f4\u65b0\u5bf9\u8c61\u5c5e\u6027\n$name = \"New Name\";\necho $obj-&gt;getName(); \/\/ \u8f93\u51fa \"New Name\"<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u4f7f\u7528\u5f15\u7528\u6765\u66f4\u65b0\u5bf9\u8c61\u5c5e\u6027<\/strong><\/p>\n<pre>$customer = new Customer();\n\n\/\/ \u83b7\u53d6\u5ba2\u6237\u5730\u5740\u7684\u5f15\u7528\n$address = &amp;$customer-&gt;getAddress();\n\n\/\/ \u66f4\u65b0\u5730\u5740\u4fe1\u606f\n$address['street'] = \"New Street\";\n$address['city'] = \"New City\";\n\n\/\/ \u66f4\u65b0\u540e\u7684\u5730\u5740\u4fe1\u606f\u5c06\u53cd\u6620\u5728 $customer \u5bf9\u8c61\u4e2d\necho $customer-&gt;getAddress()['street']; \/\/ \u8f93\u51fa \"New Street\"<\/pre>\n<p><strong>\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<ul>\n<li>\u4ec5\u5f53\u5fc5\u8981\u65f6\u624d\u4f7f\u7528\u5f15\u7528\uff0c\u8fc7\u591a\u7684\u5f15\u7528\u4f1a\u4f7f\u4ee3\u7801\u96be\u4ee5\u7406\u89e3\u3002<\/li>\n<li>\u6e05\u6670\u5730\u8bb0\u5f55\u51fd\u6570\u4e2d\u662f\u5426\u4f7f\u7528\u5f15\u7528\uff0c\u4ee5\u4fbf\u5176\u4ed6\u5f00\u53d1\u8005\u4e86\u89e3\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u5f15\u7528\u6765\u4fee\u6539\u4e0d\u53ef\u53d8\u91cf\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u6216\u6570\u5b57\u3002<\/li>\n<\/ul>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528 \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5f15\u7528\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ \u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\uff1a\u5728\u51fd\u6570\u4e2d\u4f20\u9012\u53d8\u91cf\u540d\u524d\u6dfb\u52a0 &amp; \u521b\u5efa\u5f15\u7528\u3002\u5728\u51fd\u6570\u5185\u4fee\u6539\u5f15\u7528\u5c06\u5f71\u54cd\u8c03\u7528\u51fd\u6570\u4e2d\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u5f15\u7528\u53ef\u7528\u4e8e\u66f4\u65b0\u5bf9\u8c61\u5c5e\u6027\u3002 PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\uff1a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7528\u6cd5 \u5728 PHP \u51fd\u6570\u4e2d\uff0c\u5f15\u7528\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u8c03\u7528\u51fd\u6570\u4e2d\u4f20\u9012\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u5bf9\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\u81f3\u5173\u91cd\u8981\u3002 \u8bed\u6cd5 \u8981\u521b\u5efa\u4e00\u4e2a\u5f15\u7528\uff0c\u9700\u8981\u5728\u53d8\u91cf\u540d\u524d\u52a0\u4e0a\u4e00\u4e2a &amp; \u7b26\u53f7\uff1a function &amp;getRef($var) { return $var; } \u4f7f\u7528\u65b9\u6cd5 \u5728\u51fd\u6570\u5185\uff0c\u5bf9\u5f15\u7528\u7684\u4fee\u6539\u4f1a\u5f71\u54cd\u8c03\u7528\u51fd\u6570\u4e2d\u4f20\u9012\u7684\u53d8\u91cf\u503c\uff1a function incRef(&amp;$var) { $var++; } \/\/ \u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\u5e76\u4f20\u9012\u5230\u51fd\u6570 $num = 10; incRef($num); \/\/ $num \u73b0\u5728\u7b49\u4e8e 11 \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u7528\u6cd5 \u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u5f15\u7528\u5bf9\u4e8e\u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\u975e\u5e38\u6709\u7528\uff1a class MyClass { private $name; public function &amp;getName() { return $this-&gt;name; } [&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-47732","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47732","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=47732"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47732\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}