{"id":47591,"date":"2024-12-02T10:41:20","date_gmt":"2024-12-02T02:41:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47591\/"},"modified":"2024-12-02T10:41:20","modified_gmt":"2024-12-02T02:41:20","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%bc%95%e7%94%a8%e5%ae%9e%e7%8e%b0%e5%af%b9%e8%b1%a1%e7%9a%84%e4%b8%8d%e5%8f%98%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47591\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027<\/h1>\n

IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

\u5728 PHP \u51fd\u6570\u4e2d\uff0c\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u5bf9\u8c61\u53ef\u5b9e\u73b0\u5176\u4e0d\u53d8\u6027\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u4f7f\u7528 “&” \u7b26\u53f7\u5728\u53d8\u91cf\u540d\u524d\u58f0\u660e\u5f15\u7528\u4f20\u53c2\uff0c\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u51fd\u6570\u5185\u4fee\u6539\u5bf9\u8c61\u672c\u8eab\uff0c\u800c\u975e\u5bf9\u8c61\u526f\u672c\u3002\u901a\u8fc7\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u53ef\u4fee\u6539\u5916\u90e8\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u5b9e\u73b0\u5176\u4e0d\u53d8\u6027\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027<\/strong><\/p>\n

\u524d\u8a00<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u5bf9\u8c61\u901a\u5e38\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u7684\u5c5e\u6027\u503c\u53ef\u4ee5\u5728\u51fd\u6570\u8c03\u7528\u671f\u95f4\u66f4\u6539\u3002\u7136\u800c\uff0c\u6709\u65f6\u6211\u4eec\u5e0c\u671b\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u4fdd\u6301\u5bf9\u8c61\u72b6\u6001\u7684\u4e0d\u53d8\u6027\u3002\u5f15\u7528\u4f20\u53c2\u63d0\u4f9b\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n

\u4ec0\u4e48\u662f\u5f15\u7528\uff1f<\/strong><\/p>\n

\u5f15\u7528\u662f\u5728\u51fd\u6570\u8c03\u7528\u671f\u95f4\u5141\u8bb8\u66f4\u6539\u53d8\u91cf\u503c\u7684\u7b26\u53f7\u3002\u901a\u8fc7\u4f7f\u7528 & \u7b26\u53f7\u5728\u53d8\u91cf\u540d\u524d\uff0c\u53ef\u4ee5\u5c06\u53d8\u91cf\u4f20\u9012\u4e3a\u5f15\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n

function changeVariableByReference(&$variable) {\n    $variable = 10;\n}<\/pre>\n
\u5982\u4f55\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027<\/strong><\/p>\n
\u4e3a\u4e86\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u8fd9\u6837\uff0c\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u5bf9\u8c61\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u5bf9\u8c61\u7684\u526f\u672c\uff1a<\/p>\n
function changeObjectPropertyByReference(SomeObject &$object) {\n    $object->property = 10;\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u4e0d\u53d8\u6027\u7684\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a User<\/code> \u5bf9\u8c61\uff0c\u5b83\u6709\u4e00\u4e2a name<\/code> \u5c5e\u6027\u3002\u6211\u4eec\u60f3\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u6765\u5411\u5176\u6dfb\u52a0\u540e\u7f00\u3002<\/p>\n
class User {\n    public $name;\n}\n\nfunction addSuffixToName(User &$user, string $suffix) {\n    $user->name .= $suffix;\n}<\/pre>\n
\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u5728 main<\/code> \u51fd\u6570\u4e2d\u6d4b\u8bd5\u8fd9\u4e2a\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
$user = new User();\n$user->name = 'John';\n\naddSuffixToName($user, ' Doe');\n\necho $user->name; \/\/ \u8f93\u51fa\uff1aJohn Doe<\/pre>\n
\u901a\u8fc7\u5c06 $user<\/code> \u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9 addSuffixToName<\/code> \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u4fee\u6539 $user<\/code> \u5bf9\u8c61\u672c\u8eab\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u4e0d\u53d8\u6027\u3002<\/p>\n
\u672c\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027 IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01 \u5728 PHP \u51fd\u6570\u4e2d\uff0c\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u5bf9\u8c61\u53ef\u5b9e\u73b0\u5176\u4e0d\u53d8\u6027\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u4f7f\u7528 “&” \u7b26\u53f7\u5728\u53d8\u91cf\u540d\u524d\u58f0\u660e\u5f15\u7528\u4f20\u53c2\uff0c\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u51fd\u6570\u5185\u4fee\u6539\u5bf9\u8c61\u672c\u8eab\uff0c\u800c\u975e\u5bf9\u8c61\u526f\u672c\u3002\u901a\u8fc7\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u53ef\u4fee\u6539\u5916\u90e8\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u5b9e\u73b0\u5176\u4e0d\u53d8\u6027\u3002 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027 \u524d\u8a00 \u5728 PHP \u4e2d\uff0c\u5bf9\u8c61\u901a\u5e38\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u7684\u5c5e\u6027\u503c\u53ef\u4ee5\u5728\u51fd\u6570\u8c03\u7528\u671f\u95f4\u66f4\u6539\u3002\u7136\u800c\uff0c\u6709\u65f6\u6211\u4eec\u5e0c\u671b\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u4fdd\u6301\u5bf9\u8c61\u72b6\u6001\u7684\u4e0d\u53d8\u6027\u3002\u5f15\u7528\u4f20\u53c2\u63d0\u4f9b\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u4e00\u79cd\u65b9\u6cd5\u3002 \u4ec0\u4e48\u662f\u5f15\u7528\uff1f \u5f15\u7528\u662f\u5728\u51fd\u6570\u8c03\u7528\u671f\u95f4\u5141\u8bb8\u66f4\u6539\u53d8\u91cf\u503c\u7684\u7b26\u53f7\u3002\u901a\u8fc7\u4f7f\u7528 & \u7b26\u53f7\u5728\u53d8\u91cf\u540d\u524d\uff0c\u53ef\u4ee5\u5c06\u53d8\u91cf\u4f20\u9012\u4e3a\u5f15\u7528\u3002\u4f8b\u5982\uff1a function changeVariableByReference(&$variable) { $variable = 10; } \u5982\u4f55\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027 \u4e3a\u4e86\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u7684\u4e0d\u53d8\u6027\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u8fd9\u6837\uff0c\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u5bf9\u8c61\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u5bf9\u8c61\u7684\u526f\u672c\uff1a function changeObjectPropertyByReference(SomeObject &$object) { $object->property = 10; } \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u662f\u4f7f\u7528\u5f15\u7528\u5b9e\u73b0\u5bf9\u8c61\u4e0d\u53d8\u6027\u7684\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\uff1a \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a User \u5bf9\u8c61\uff0c\u5b83\u6709\u4e00\u4e2a name \u5c5e\u6027\u3002\u6211\u4eec\u60f3\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u6765\u5411\u5176\u6dfb\u52a0\u540e\u7f00\u3002 class User { public $name; } function addSuffixToName(User &$user, string $suffix) { […]<\/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-47591","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47591","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=47591"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47591\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}