{"id":47007,"date":"2024-12-02T16:19:19","date_gmt":"2024-12-02T08:19:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47007\/"},"modified":"2024-12-02T16:19:19","modified_gmt":"2024-12-02T08:19:19","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e5%bc%95%e7%94%a8%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47007\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>\u5f15\u7528\u5728 PHP \u51fd\u6570\u4e2d\u5141\u8bb8\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u7684\u503c\u3002\u901a\u8fc7\u5728\u53d8\u91cf\u540d\u524d\u52a0 &amp; \u7b26\u53f7\u521b\u5efa\u5f15\u7528\uff0c\u5e76\u5728\u51fd\u6570\u58f0\u660e\u4e2d\u5c06\u5176\u5b9a\u4e49\u4e3a\u5f15\u7528\u53c2\u6570\uff0c\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\u7684\u503c\uff0c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729859550671b8fded9266.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790<\/strong><\/p>\n<p>\u5f15\u7528\u5728 PHP \u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u5176\u4f5c\u7528\u57df\u4e4b\u5916\u7684\u53d8\u91cf\u503c\u3002<\/p>\n<p><strong>\u4ec0\u4e48\u662f\u5f15\u7528\uff1f<\/strong><\/p>\n<p>\u5f15\u7528\u662f\u53d8\u91cf\u7684\u522b\u540d\uff0c\u5f53\u5bf9\u5f15\u7528\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u5728\u4fee\u6539\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u5f15\u7528\u901a\u8fc7\u5728\u53d8\u91cf\u540d\u4e4b\u524d\u6dfb\u52a0\u4e00\u4e2a <code>&amp;<\/code> \u7b26\u53f7\u6765\u521b\u5efa\u3002<\/p>\n<p><strong>\u5f15\u7528\u5728\u51fd\u6570\u4e2d\u7684\u4f7f\u7528<\/strong><\/p>\n<p>\u5f53\u5c06\u5f15\u7528\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u662f\u901a\u8fc7\u5728\u51fd\u6570\u58f0\u660e\u4e2d\u5b9a\u4e49\u53c2\u6570\u4e3a\u5f15\u7528\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>function myFunction(&amp;$variable) {\n  \/\/ \u5bf9 $variable \u8fdb\u884c\u4fee\u6539\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff1a<\/p>\n<pre>$a = 10;\n\nfunction incrementByReference(&amp;$num) {\n  $num++;\n}\n\nincrementByReference($a);\n\necho $a; \/\/ \u8f93\u51fa 11<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>$a<\/code> \u7684\u503c\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u7ed9 <code>incrementByReference()<\/code> \u51fd\u6570\u3002\u51fd\u6570\u5bf9\u5f15\u7528\u8fdb\u884c\u9012\u589e\uff0c\u4ece\u800c\u4e5f\u5c06 <code>$a<\/code> \u7684\u503c\u9012\u589e\u4e86 1\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u5f15\u7528\u63d0\u4f9b\u4e86\u5728\u51fd\u6570\u4e2d\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u503c\u7684\u4e00\u79cd\u6709\u6548\u65b9\u5f0f\u3002\u901a\u8fc7\u4f7f\u7528\u5f15\u7528\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u51fd\u6570\u4e2d\u521b\u5efa\u548c\u8fd4\u56de\u526f\u672c\uff0c\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790 \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01 \u5f15\u7528\u5728 PHP \u51fd\u6570\u4e2d\u5141\u8bb8\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u7684\u503c\u3002\u901a\u8fc7\u5728\u53d8\u91cf\u540d\u524d\u52a0 &amp; \u7b26\u53f7\u521b\u5efa\u5f15\u7528\uff0c\u5e76\u5728\u51fd\u6570\u58f0\u660e\u4e2d\u5c06\u5176\u5b9a\u4e49\u4e3a\u5f15\u7528\u53c2\u6570\uff0c\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\u7684\u503c\uff0c\u63d0\u9ad8\u6548\u7387\u3002 PHP \u51fd\u6570\u4e2d\u7684\u5f15\u7528\u89e3\u6790 \u5f15\u7528\u5728 PHP \u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u5176\u4f5c\u7528\u57df\u4e4b\u5916\u7684\u53d8\u91cf\u503c\u3002 \u4ec0\u4e48\u662f\u5f15\u7528\uff1f \u5f15\u7528\u662f\u53d8\u91cf\u7684\u522b\u540d\uff0c\u5f53\u5bf9\u5f15\u7528\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u5728\u4fee\u6539\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u5f15\u7528\u901a\u8fc7\u5728\u53d8\u91cf\u540d\u4e4b\u524d\u6dfb\u52a0\u4e00\u4e2a &amp; \u7b26\u53f7\u6765\u521b\u5efa\u3002 \u5f15\u7528\u5728\u51fd\u6570\u4e2d\u7684\u4f7f\u7528 \u5f53\u5c06\u5f15\u7528\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u662f\u901a\u8fc7\u5728\u51fd\u6570\u58f0\u660e\u4e2d\u5b9a\u4e49\u53c2\u6570\u4e3a\u5f15\u7528\u6765\u5b9e\u73b0\u7684\u3002 \u8bed\u6cd5\uff1a function myFunction(&amp;$variable) { \/\/ \u5bf9 $variable \u8fdb\u884c\u4fee\u6539 } \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff1a $a = 10; function incrementByReference(&amp;$num) { $num++; } incrementByReference($a); echo $a; \/\/ \u8f93\u51fa 11 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c$a \u7684\u503c\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u7ed9 incrementByReference() \u51fd\u6570\u3002\u51fd\u6570\u5bf9\u5f15\u7528\u8fdb\u884c\u9012\u589e\uff0c\u4ece\u800c\u4e5f\u5c06 $a \u7684\u503c\u9012\u589e\u4e86 1\u3002 \u7ed3\u8bba \u5f15\u7528\u63d0\u4f9b\u4e86\u5728\u51fd\u6570\u4e2d\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u503c\u7684\u4e00\u79cd\u6709\u6548\u65b9\u5f0f\u3002\u901a\u8fc7\u4f7f\u7528\u5f15\u7528\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u51fd\u6570\u4e2d\u521b\u5efa\u548c\u8fd4\u56de\u526f\u672c\uff0c\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002 \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPHP [&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-47007","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47007","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=47007"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47007\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}