{"id":46849,"date":"2024-12-02T10:08:29","date_gmt":"2024-12-02T02:08:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46849\/"},"modified":"2024-12-02T10:08:29","modified_gmt":"2024-12-02T02:08:29","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92%e7%9a%84%e5%ae%89%e5%85%a8%e8%80%83%e8%99%91","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46849\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p>PHP\u4e2d\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u65f6\u9700\u683c\u5916\u6ce8\u610f\u5b89\u5168\uff0c\u5305\u62ec\u5bf9\u8c61\u4f2a\u9020\u548c\u5185\u5b58\u6cc4\u6f0f\u98ce\u9669\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff0c\u5efa\u8bae\u4ec5\u5728\u5fc5\u8981\u65f6\u4f7f\u7528\u5f15\u7528\u4f20\u9012\uff0c\u9a8c\u8bc1\u548c\u8fc7\u6ee4\u4f20\u9012\u7684\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528\u5f3a\u7c7b\u578b\u5b9a\u4e49\u548c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729850064671b6ad08b2c7.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u4ece\u800c\u5728\u51fd\u6570\u5185\u90e8\u76f4\u63a5\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u3002\u867d\u7136\u8fd9\u5728\u67d0\u4e9b\u573a\u666f\u4e2d\u5f88\u6709\u7528\uff0c\u4f46\u5b83\u4e5f\u5f15\u5165\u4e86\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<p><strong>\u5f15\u7528\u4f20\u9012\u4e0e\u503c\u4f20\u9012<\/strong><\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPHP \u901a\u8fc7\u503c\u4f20\u9012\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u8fd9\u610f\u5473\u7740\u51fd\u6570\u5185\u90e8\u521b\u5efa\u4e86\u53d8\u91cf\u7684\u526f\u672c\uff0c\u5bf9\u526f\u672c\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u5916\u90e8\u53d8\u91cf\u3002<\/p>\n<p>\u901a\u8fc7\u5728\u53d8\u91cf\u540d\u524d\u6dfb\u52a0\u4e00\u4e2a ampersand (&amp;) \u53ef\u4ee5\u542f\u7528\u5f15\u7528\u4f20\u9012\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function increment_by_reference(&amp;$num) {\n    $num++;\n}<\/pre>\n<p><strong>\u5b89\u5168\u9690\u60a3<\/strong><\/p>\n<p>\u5728\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u5b89\u5168\u9690\u60a3\uff1a<\/p>\n<ul>\n<li><strong>\u5bf9\u8c61\u4f2a\u9020\uff1a<\/strong>\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u4fee\u6539\u51fd\u6570\u53c2\u6570\u4e2d\u4f20\u9012\u7684\u5bf9\u8c61\u6765\u4f2a\u9020\u5bf9\u8c61\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f8b\u5982\u7279\u6743\u63d0\u5347\u3002<\/li>\n<li><strong>\u5185\u5b58\u6cc4\u6f0f\uff1a<\/strong>\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\uff0c\u5f53\u51fd\u6570\u5185\u90e8\u5bf9\u53d8\u91cf\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u5916\u90e8\u5f15\u7528\u53ef\u80fd\u4f1a\u4fdd\u7559\u5bf9\u8be5\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5373\u4f7f\u51fd\u6570\u6267\u884c\u5b8c\u6210\u4e5f\u662f\u5982\u6b64\u3002<\/li>\n<\/ul>\n<p><strong>\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u5b89\u5168\u9690\u60a3\uff0c\u5efa\u8bae\u5728\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u65f6\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li>\u4ec5\u5728\u7edd\u5bf9\u5fc5\u8981\u65f6\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u3002<\/li>\n<li>\u5bf9\u6240\u6709\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u7684\u53d8\u91cf\u8fdb\u884c\u9a8c\u8bc1\u548c\u8fc7\u6ee4\u3002<\/li>\n<li>\u9650\u5236\u5bf9\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u7684\u53d8\u91cf\u7684\u8bbf\u95ee\u3002<\/li>\n<li>\u4f7f\u7528\u5f3a\u7c7b\u578b\u5b9a\u4e49\u6765\u786e\u4fdd\u53d8\u91cf\u7c7b\u578b\u6b63\u786e\u3002<\/li>\n<li>\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u6765\u6355\u83b7\u4efb\u4f55\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff1a<\/p>\n<pre>function process_user($user_id) {\n    \/\/ \u4ece\u6570\u636e\u5e93\u83b7\u53d6\u7528\u6237\n    $user = get_user_from_db($user_id);\n\n    \/\/ \u68c0\u67e5\u7528\u6237\u662f\u5426\u5408\u6cd5\n    if (!$user) {\n        throw new InvalidArgumentException(\"Invalid user ID: $user_id\");\n    }\n\n    \/\/ \u4fee\u6539\u7528\u6237\u7684\u59d3\u540d\n    $user-&gt;name = \"New Name\";\n}\n\n\/\/ \u83b7\u53d6\u7528\u6237 ID\n$user_id = 123;\n\n\/\/ \u901a\u8fc7\u5f15\u7528\u4f20\u9012\u7528\u6237\u5bf9\u8c61\nprocess_user(&amp;$user_id);<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u4e86 <code>$user_id<\/code> \u53d8\u91cf\u3002\u8fd9\u5141\u8bb8\u51fd\u6570\u5185\u90e8\u76f4\u63a5\u4fee\u6539 <code>$user_id<\/code> \u7684\u503c\uff0c\u4f8b\u5982\u5728\u653b\u51fb\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5c06\u5176\u66f4\u6539\u4e3a\u4e0d\u540c\u7684\u7528\u6237 ID\uff0c\u4ece\u800c\u83b7\u5f97\u672a\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651 \u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aPHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651\u300b\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01 PHP\u4e2d\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u65f6\u9700\u683c\u5916\u6ce8\u610f\u5b89\u5168\uff0c\u5305\u62ec\u5bf9\u8c61\u4f2a\u9020\u548c\u5185\u5b58\u6cc4\u6f0f\u98ce\u9669\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff0c\u5efa\u8bae\u4ec5\u5728\u5fc5\u8981\u65f6\u4f7f\u7528\u5f15\u7528\u4f20\u9012\uff0c\u9a8c\u8bc1\u548c\u8fc7\u6ee4\u4f20\u9012\u7684\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528\u5f3a\u7c7b\u578b\u5b9a\u4e49\u548c\u5f02\u5e38\u5904\u7406\u3002 PHP \u51fd\u6570\u4e2d\u5f15\u7528\u4f20\u9012\u7684\u5b89\u5168\u8003\u8651 \u5f15\u8a00 \u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u4ece\u800c\u5728\u51fd\u6570\u5185\u90e8\u76f4\u63a5\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u3002\u867d\u7136\u8fd9\u5728\u67d0\u4e9b\u573a\u666f\u4e2d\u5f88\u6709\u7528\uff0c\u4f46\u5b83\u4e5f\u5f15\u5165\u4e86\u5b89\u5168\u98ce\u9669\u3002 \u5f15\u7528\u4f20\u9012\u4e0e\u503c\u4f20\u9012 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPHP \u901a\u8fc7\u503c\u4f20\u9012\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u8fd9\u610f\u5473\u7740\u51fd\u6570\u5185\u90e8\u521b\u5efa\u4e86\u53d8\u91cf\u7684\u526f\u672c\uff0c\u5bf9\u526f\u672c\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u5916\u90e8\u53d8\u91cf\u3002 \u901a\u8fc7\u5728\u53d8\u91cf\u540d\u524d\u6dfb\u52a0\u4e00\u4e2a ampersand (&amp;) \u53ef\u4ee5\u542f\u7528\u5f15\u7528\u4f20\u9012\u3002\u4f8b\u5982\uff1a function increment_by_reference(&amp;$num) { $num++; } \u5b89\u5168\u9690\u60a3 \u5728\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u5b89\u5168\u9690\u60a3\uff1a \u5bf9\u8c61\u4f2a\u9020\uff1a\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u4fee\u6539\u51fd\u6570\u53c2\u6570\u4e2d\u4f20\u9012\u7684\u5bf9\u8c61\u6765\u4f2a\u9020\u5bf9\u8c61\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f8b\u5982\u7279\u6743\u63d0\u5347\u3002 \u5185\u5b58\u6cc4\u6f0f\uff1a\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\uff0c\u5f53\u51fd\u6570\u5185\u90e8\u5bf9\u53d8\u91cf\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u5916\u90e8\u5f15\u7528\u53ef\u80fd\u4f1a\u4fdd\u7559\u5bf9\u8be5\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5373\u4f7f\u51fd\u6570\u6267\u884c\u5b8c\u6210\u4e5f\u662f\u5982\u6b64\u3002 \u6700\u4f73\u5b9e\u8df5 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user ID: $user_id&#8221;); 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