{"id":48184,"date":"2024-12-02T08:01:50","date_gmt":"2024-12-02T00:01:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48184\/"},"modified":"2024-12-02T08:01:50","modified_gmt":"2024-12-02T00:01:50","slug":"php-%e5%87%bd%e6%95%b0%e5%91%bd%e5%90%8d%e8%a7%84%e8%8c%83%e8%a7%a3%e8%af%bb%ef%bc%9a%e5%91%bd%e5%90%8d%e7%ba%a6%e5%ae%9a%e5%a6%82%e4%bd%95%e9%9a%8f%e7%9d%80%e7%89%88%e6%9c%ac%e6%bc%94%e8%bf%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48184\/","title":{"rendered":"PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f<\/h1>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p>PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u968f\u7248\u672c\u6f14\u8fdb\uff1aPHP 5\uff1a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5355\u8bcd\u95f4\u7528\u4e0b\u5212\u7ebf\u5206\u9694\u3002PHP 7\uff1a\u5f15\u5165\u547d\u540d\u7a7a\u95f4\uff0c\u91c7\u7528\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002PHP 8\uff1a\u5ef6\u7eed PHP 7 \u547d\u540d\u89c4\u8303\uff0c\u5efa\u8bae\u51fd\u6570\u540d\u53cd\u6620\u7528\u9014\u3001\u7b80\u6d01\u4e14\u907f\u514d\u7f29\u5199\u548c\u7279\u6b8a\u5b57\u7b26\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1729996535671da6f7c1e23.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u51fd\u6570\u547d\u540d\u662f PHP \u7f16\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u4e00\u4e2a\u65b9\u9762\u3002\u6709\u6548\u7684\u51fd\u6570\u540d\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u672c\u6587\u5c06\u63a2\u8ba8 PHP \u51fd\u6570\u547d\u540d\u7684\u7ea6\u5b9a\uff0c\u4ee5\u53ca\u5b83\u4eec\u5982\u4f55\u968f\u7740\u8bed\u8a00\u7248\u672c\u7684\u6f14\u8fdb\u800c\u4e0d\u65ad\u5b8c\u5584\u3002<\/p>\n<p><strong>\u65e9\u671f\u7248\u672c\u7684\u547d\u540d\u89c4\u8303<\/strong><\/p>\n<p>\u5728 PHP 5 \u4e4b\u524d\uff0c\u51fd\u6570\u547d\u540d\u6ca1\u6709\u4e25\u683c\u7684\u7ea6\u5b9a\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55 they \u60f3\u4f7f\u7528\u7684\u65b9\u6cd5\u6765\u547d\u540d\u51fd\u6570\uff0c\u8fd9\u5bfc\u81f4\u4e86\u5de8\u5927\u7684\u547d\u540d\u5dee\u5f02\u3002\u4f8b\u5982\uff0c\u5e74\u4ee3\u8f83\u65e9\u7684\u51fd\u6570\u53ef\u80fd\u4f7f\u7528\u4e0b\u5212\u7ebf\u5206\u9694\u5355\u8bcd\uff0c\u800c\u8f83\u65b0\u7684\u51fd\u6570\u53ef\u80fd\u4f7f\u7528\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002<\/p>\n<p><strong>PHP 5 \u7684\u51fd\u6570\u547d\u540d\u89c4\u8303<\/strong><\/p>\n<p>PHP 5 \u5f15\u5165\u4e86\u66f4\u4e25\u683c\u7684\u51fd\u6570\u547d\u540d\u89c4\u8303\uff0c\u4ee5\u4fc3\u8fdb\u4ee3\u7801\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002\u8be5\u7248\u672c\u5efa\u8bae\u51fd\u6570\u540d\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\uff0c\u5e76\u5728\u5355\u8bcd\u4e4b\u95f4\u4f7f\u7528\u4e0b\u5212\u7ebf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function get_user_name()<\/pre>\n<p><strong>PHP 7 \u7684\u547d\u540d\u7a7a\u95f4\u548c\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5<\/strong><\/p>\n<p>PHP 7 \u5f15\u5165\u4e86\u547d\u540d\u7a7a\u95f4\uff0c\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u7ec4\u7ec7\u7c7b\u548c\u51fd\u6570\u3002\u8fd9\u4e5f\u5bfc\u81f4\u4e86\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u7684\u91c7\u7528\uff0c\u5176\u4e2d\u5355\u8bcd\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u5f00\u5934\uff0c\u800c\u4e0d\u662f\u4e0b\u5212\u7ebf\u5206\u9694\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function getUserName()<\/pre>\n<p><strong>\u6700\u65b0\u7684\u547d\u540d\u89c4\u8303<\/strong><\/p>\n<p>PHP \u76ee\u524d\u6700\u65b0\u7684\u4e3b\u8981\u7248\u672c\u662f PHP 8\uff0c\u5b83\u7ee7\u7eed\u9075\u5faa PHP 7 \u7684\u547d\u540d\u7a7a\u95f4\u548c\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002\u6b64\u5916\uff0cPHP \u5efa\u8bae\u51fd\u6570\u540d\uff1a<\/p>\n<ul>\n<li>\u53cd\u6620\u51fd\u6570\u7684\u7528\u9014\uff0c\u907f\u514d\u542b\u7cca\u4e0d\u6e05\u6216\u901a\u7528\u7684\u540d\u79f0\u3002<\/li>\n<li>\u4fdd\u6301\u7b80\u6d01\uff0c\u4f46\u8db3\u591f\u63cf\u8ff0\u6027\u4ee5\u8868\u8fbe\u51fd\u6570\u7684\u610f\u56fe\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u7f29\u5199\u3001\u6570\u5b57\u6216\u7279\u6b8a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff0c\u5c55\u793a\u4e86 PHP \u4e2d\u7684\u4e0d\u540c\u51fd\u6570\u547d\u540d\u98ce\u683c\uff1a<\/p>\n<pre>\/\/ PHP 5 \u98ce\u683c\nfunction get_user_name($id)\n\n\/\/ PHP 7 \u98ce\u683c\nfunction getUserById($id)\n\n\/\/ PHP 8 \u98ce\u683c\nfunction getUserNameById($id)<\/pre>\n<p>\u5982\u4f60\u6240\u89c1\uff0c\u547d\u540d\u98ce\u683c\u968f\u7740 PHP \u7248\u672c\u7684\u6f14\u8fdb\u800c\u53d8\u5f97\u66f4\u52a0\u7b80\u6d01\u548c\u63cf\u8ff0\u6027\uff0c\u66f4\u7b26\u5408\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u968f\u7740\u8bed\u8a00\u7248\u672c\u7684\u6f14\u8fdb\u800c\u4e0d\u65ad\u5b8c\u5584\uff0c\u5f3a\u8c03\u4e00\u81f4\u6027\u3001\u53ef\u8bfb\u6027\u548c\u63cf\u8ff0\u6027\u3002\u5f00\u53d1\u8005\u9075\u5faa\u8fd9\u4e9b\u7ea6\u5b9a\u6709\u52a9\u4e8e\u521b\u5efa\u66f4\u6613\u4e8e\u8bfb\u53d6\u3001\u7ef4\u62a4\u548c\u6269\u5c55\u7684 PHP \u4ee3\u7801\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f\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":"<p>PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aPHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f\u300b\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u968f\u7248\u672c\u6f14\u8fdb\uff1aPHP 5\uff1a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5355\u8bcd\u95f4\u7528\u4e0b\u5212\u7ebf\u5206\u9694\u3002PHP 7\uff1a\u5f15\u5165\u547d\u540d\u7a7a\u95f4\uff0c\u91c7\u7528\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002PHP 8\uff1a\u5ef6\u7eed PHP 7 \u547d\u540d\u89c4\u8303\uff0c\u5efa\u8bae\u51fd\u6570\u540d\u53cd\u6620\u7528\u9014\u3001\u7b80\u6d01\u4e14\u907f\u514d\u7f29\u5199\u548c\u7279\u6b8a\u5b57\u7b26\u3002 PHP \u51fd\u6570\u547d\u540d\u89c4\u8303\u89e3\u8bfb\uff1a\u547d\u540d\u7ea6\u5b9a\u5982\u4f55\u968f\u7740\u7248\u672c\u6f14\u8fdb\uff1f \u5f15\u8a00 \u51fd\u6570\u547d\u540d\u662f PHP \u7f16\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u4e00\u4e2a\u65b9\u9762\u3002\u6709\u6548\u7684\u51fd\u6570\u540d\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u672c\u6587\u5c06\u63a2\u8ba8 PHP \u51fd\u6570\u547d\u540d\u7684\u7ea6\u5b9a\uff0c\u4ee5\u53ca\u5b83\u4eec\u5982\u4f55\u968f\u7740\u8bed\u8a00\u7248\u672c\u7684\u6f14\u8fdb\u800c\u4e0d\u65ad\u5b8c\u5584\u3002 \u65e9\u671f\u7248\u672c\u7684\u547d\u540d\u89c4\u8303 \u5728 PHP 5 \u4e4b\u524d\uff0c\u51fd\u6570\u547d\u540d\u6ca1\u6709\u4e25\u683c\u7684\u7ea6\u5b9a\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55 they \u60f3\u4f7f\u7528\u7684\u65b9\u6cd5\u6765\u547d\u540d\u51fd\u6570\uff0c\u8fd9\u5bfc\u81f4\u4e86\u5de8\u5927\u7684\u547d\u540d\u5dee\u5f02\u3002\u4f8b\u5982\uff0c\u5e74\u4ee3\u8f83\u65e9\u7684\u51fd\u6570\u53ef\u80fd\u4f7f\u7528\u4e0b\u5212\u7ebf\u5206\u9694\u5355\u8bcd\uff0c\u800c\u8f83\u65b0\u7684\u51fd\u6570\u53ef\u80fd\u4f7f\u7528\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002 PHP 5 \u7684\u51fd\u6570\u547d\u540d\u89c4\u8303 PHP 5 \u5f15\u5165\u4e86\u66f4\u4e25\u683c\u7684\u51fd\u6570\u547d\u540d\u89c4\u8303\uff0c\u4ee5\u4fc3\u8fdb\u4ee3\u7801\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002\u8be5\u7248\u672c\u5efa\u8bae\u51fd\u6570\u540d\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\uff0c\u5e76\u5728\u5355\u8bcd\u4e4b\u95f4\u4f7f\u7528\u4e0b\u5212\u7ebf\u3002\u4f8b\u5982\uff1a function get_user_name() PHP 7 \u7684\u547d\u540d\u7a7a\u95f4\u548c\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5 PHP 7 \u5f15\u5165\u4e86\u547d\u540d\u7a7a\u95f4\uff0c\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u7ec4\u7ec7\u7c7b\u548c\u51fd\u6570\u3002\u8fd9\u4e5f\u5bfc\u81f4\u4e86\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u7684\u91c7\u7528\uff0c\u5176\u4e2d\u5355\u8bcd\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u5f00\u5934\uff0c\u800c\u4e0d\u662f\u4e0b\u5212\u7ebf\u5206\u9694\u3002\u4f8b\u5982\uff1a function getUserName() \u6700\u65b0\u7684\u547d\u540d\u89c4\u8303 PHP \u76ee\u524d\u6700\u65b0\u7684\u4e3b\u8981\u7248\u672c\u662f PHP 8\uff0c\u5b83\u7ee7\u7eed\u9075\u5faa PHP 7 \u7684\u547d\u540d\u7a7a\u95f4\u548c\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002\u6b64\u5916\uff0cPHP \u5efa\u8bae\u51fd\u6570\u540d\uff1a \u53cd\u6620\u51fd\u6570\u7684\u7528\u9014\uff0c\u907f\u514d\u542b\u7cca\u4e0d\u6e05\u6216\u901a\u7528\u7684\u540d\u79f0\u3002 \u4fdd\u6301\u7b80\u6d01\uff0c\u4f46\u8db3\u591f\u63cf\u8ff0\u6027\u4ee5\u8868\u8fbe\u51fd\u6570\u7684\u610f\u56fe\u3002 \u907f\u514d\u4f7f\u7528\u7f29\u5199\u3001\u6570\u5b57\u6216\u7279\u6b8a\u5b57\u7b26\u3002 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