{"id":101178,"date":"2026-09-06T10:41:03","date_gmt":"2026-09-06T02:41:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/101178.html"},"modified":"2026-09-06T10:41:03","modified_gmt":"2026-09-06T02:41:03","slug":"php%e7%9a%84%e7%bb%93%e6%9e%84%e8%af%a6%e8%a7%a3%ef%bc%9a%e6%8e%8c%e6%8f%a1%e4%bb%a3%e7%a0%81%e9%aa%a8%e6%9e%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/101178.html","title":{"rendered":"PHP\u7684\u7ed3\u6784\u8be6\u89e3\uff1a\u638c\u63e1\u4ee3\u7801\u9aa8\u67b6"},"content":{"rendered":"

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PHP\u7684\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784<\/h3>\n

PHP\u4ee3\u7801\u5e38\u6709\u5d4c\u5165\u4e8e\u8d85\u6587\u672c\u6807\u8bb0\u8bed\u8a00\u91cc\u9762, \u7528\u4e8e\u5230\u4e86\u7ed3\u5c3e\u5904, \u8fd9\u822c\u5f97\u4e00\u79cd\u8bbe\u8ba1\u81f4\u4f7fPHP\u80fd\u591f\u5177\u5907\u7075\u6d3b\u6027\u5730\u8ddf\u524d\u7aef\u9875\u9762\u8fdb\u884c\u5408\u4e8c\u4e3a\u4e00, \u8fbe\u6210\u4e86\u52a8\u6001\u5185\u5bb9\u5176\u751f\u6210, \u4e00\u4e2a\u6700\u4e3a\u8d77\u7801\u7684PHP\u6587\u4ef6\u7ed3\u6784\u5f52\u4e3a\u5982\u4e0b:<\/p>\n

PHP\u8bed\u53e5\u4f1a\u4ee5\u51fa\u73b0\u5206\u53f7\u7684\u65f6\u523b\u4f5c\u4e3a\u7ed3\u675f, \u6bcf\u4e00\u884c\u4ee3\u7801\u5f7c\u6b64\u4e4b\u95f4\u5e76\u4e0d\u9700\u8981\u90a3\u79cd\u7279\u522b\u590d\u6742\u7684\u5206\u9694\u6837\u5f0f, \u8fd9\u6837\u4e00\u79cd\u76f8\u5bf9\u7b80\u6d01\u7684\u8bed\u6cd5\u98ce\u683c\u5c06\u96f6\u57fa\u7840\u521d\u5b66\u8005\u7684\u5165\u95e8\u95e8\u69db\u964d\u5230\u5f88\u4f4e\u3002\u9700\u8981\u7559\u610f, PHP\u5bf9\u4e8e\u5927\u5c0f\u5199\u654f\u611f\u6240\u5236\u5b9a\u7684\u89c4\u5219\u5e76\u4e0d\u5448\u73b0\u51fa\u4e25\u683c\u7684\u6001\u52bf, \u5c3d\u7ba1\u53d8\u91cf\u540d\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\u60c5\u51b5, \u7136\u540e\u51fd\u6570\u540d\u4ee5\u53ca\u5173\u952e\u5b57\u5374\u5e76\u975e\u5982\u6b64\u8fdb\u884c\u533a\u5206\u3002<\/p>\n

PHP\u7684\u6570\u636e\u7c7b\u578b<\/h3>\n

PHP\u5bf9\u591a\u79cd\u6570\u636e\u7c7b\u578b\u4e88\u4ee5\u652f\u6301, \u5176\u4e2d\u6db5\u76d6\u6807\u91cf\u7c7b\u578b\u3001\u590d\u5408\u7c7b\u578b\u4ee5\u53ca\u7279\u6b8a\u7c7b\u578b\u3002\u5e03\u5c14\u578b（boolean）\u3001\u6574\u578b（integer）\u3001\u6d6e\u70b9\u578b（float）\u4ee5\u53ca\u5b57\u7b26\u4e32（string）\u5c5e\u4e8e\u6807\u91cf\u7c7b\u578b\u3002\u6570\u7ec4（array）\u548c\u5bf9\u8c61（object）\u662f\u4e3b\u8981\u7684\u590d\u5408\u7c7b\u578b, \u8d44\u6e90（resource）\u548c\u7a7a\u503c（NULL）\u5219\u4e3a\u7279\u6b8a\u7c7b\u578b\u3002<\/p>\n

PHP\u5c5e\u4e8e\u4e00\u79cd\u5f31\u7c7b\u578b\u8bed\u8a00, \u53d8\u91cf\u4e8e\u4f7f\u7528\u4e4b\u9645\u4e0d\u9700\u8981\u4e8b\u5148\u58f0\u660e\u7c7b\u578b, \u7cfb\u7edf\u4f1a\u4f9d\u636e\u8d4b\u503c\u81ea\u884c\u63a8\u65ad\u6570\u636e\u7c7b\u578b\u3002\u6bd4\u5982:<\/p>\n

$name = "\u5f20\u4e09"; \/\/ \u5b57\u7b26\u4e32
\n$age = 25; \/\/ \u6574\u578b
\n$salary = 5000.5; \/\/ \u6d6e\u70b9\u578b
\n$isStudent = true; \/\/ \u5e03\u5c14\u578b<\/p>\n

PHP\u7684\u63a7\u5236\u7ed3\u6784<\/h3>\n<\/p>\n

\"\"<\/p>\n

\u6761\u4ef6\u8bed\u53e5\u548c\u5faa\u73af\u8bed\u53e5\u8fd9\u4e24\u5927\u7c7b\u63a7\u5236\u7ed3\u6784\u4e2d, PHP\u6240\u5c55\u73b0\u51fa\u7684\u63a7\u5236\u7ed3\u6784, \u662f\u7a0b\u5e8f\u6d41\u7a0b\u6781\u4e3a\u5173\u952e\u7684\u6838\u5fc3\u90e8\u5206\u3002<\/p>\n

\u7528\u4e8e\u6839\u636e\u4e0d\u540c\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u4ee3\u7801\u5757\u7684\u6761\u4ef6\u8bed\u53e5, \u6db5\u76d6if\u3001elseif\u548celse, \u5904\u4e8e\u4e0d\u540c\u6761\u4ef6\u4e0b\u4f1a\u6709\u4e0d\u540c\u6267\u884c\u60c5\u51b5\u3002\u800cswitch\u8bed\u53e5, \u9002\u5408\u5e94\u7528\u4e8e\u591a\u5206\u652f\u9009\u62e9\u7684\u573a\u666f\u3002<\/p>\n

if ($age >= 18) {
\n echo "\u6210\u5e74\u4eba";
\n} elseif ($age >= 6) {
\n echo "\u9752\u5c11\u5e74";
\n} else {
\n echo "\u513f\u7ae5";
\n}<\/p>\n

\u5176\u5faa\u73af\u8bed\u53e5\u6db5\u76d6while\u3001do…while\u3001for\u4ee5\u53caforeach, \u5f53\u4e2dforeach\u4e13\u95e8\u7528\u4ee5\u904d\u5386\u6570\u7ec4\u4e0e\u5bf9\u8c61, \u662fPHP\u91cc\u6781\u4e3a\u5e38\u7528\u7684\u5faa\u73af\u7ed3\u6784\u4e2d\u7684\u4e00\u4e2a\u3002<\/p>\n

$fruits = ["\u82f9\u679c", "\u9999\u8549", "\u6a59\u5b50"];
\nforeach ($fruits as $fruit) {
\n echo $fruit . "
\n";
\n}<\/p>\n

PHP\u7684\u51fd\u6570\u7ed3\u6784<\/h3>\n

\u4ee3\u7801\u590d\u7528\u7684\u57fa\u672c\u5355\u4f4d\u5bf9\u4e8ePHP\u800c\u8a00\u662f\u51fd\u6570, PHP\u7ed9\u51fa\u4e86\u5927\u91cf\u7684\u5185\u7f6e\u51fd\u6570, \u5e76\u4e14\u8fd8\u51c6\u4e88\u7528\u6237\u53bb\u81ea\u884c\u5b9a\u4e49\u51fd\u6570\u3002\u51fd\u6570\u5177\u5907\u7684\u57fa\u672c\u7ed3\u6784\u6db5\u76d6\u4e86\u51fd\u6570\u540d, \u53c2\u6570\u5217\u8868\u4ee5\u53ca\u8fd4\u56de\u8bed\u53e5\u3002<\/p>\n

function greet($name) {
\n return "\u4f60\u597d，" . $name;
\n}
\necho greet("\u674e\u56db");<\/p>\n

\"\"<\/p>\n

PHP \u540c\u6837\u652f\u6301\u533f\u540d\u51fd\u6570\u4ee5\u53ca\u7bad\u5934\u51fd\u6570, \u8fd9\u7ed9\u7f16\u7a0b\u4e88\u4ee5\u4e86\u66f4\u4e3a\u597d\u591a\u7684\u7075\u6d3b\u6027, \u80fd\u591f\u5b9e\u884c\u66f4\u591a\u6837\u529f\u80fd, \u6267\u884c\u66f4\u591a\u6837\u9700\u6c42\u5b9e\u73b0\u3002\u51fd\u6570\u53c2\u6570\u80fd\u591f\u8bbe\u5b9a\u9884\u8bbe\u503c, \u4e0e\u6b64\u540c\u65f6\u53ef\u4f20\u9012\u6570\u91cf\u53ef\u53d8\u7684\u53c2\u6570, \u51ed\u501f\u8bf8\u5982\u8fd9\u822c\u8fd9\u4e9b\u7279\u6027, PHP \u51fd\u6570\u5728\u5c55\u5f00\u8fdb\u884c\u4f7f\u7528\u65f6\u53d8\u5f97\u66f4\u4e3a\u66f4\u5f3a\u52b2\u6709\u529b, \u66f4\u5177\u4f18\u52bf, \u66f4\u80fd\u80dc\u4efb\u591a\u6837\u590d\u6742\u7f16\u7a0b\u4efb\u52a1\u3002<\/p>\n

PHP\u7684\u7c7b\u4e0e\u9762\u5411\u5bf9\u8c61\u7ed3\u6784<\/h3>\n

PHP\u5c5e\u4e8e\u4e00\u79cd\u5bf9\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e88\u4ee5\u652f\u6301\u7684\u8bed\u8a00, \u7c7b\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u7ed3\u6784\u7684\u6838\u5fc3\u6240\u5728\u3002\u4e00\u4e2a\u57fa\u7840\u7684\u7c7b\u6db5\u76d6\u5c5e\u6027（\u4e5f\u5c31\u662f\u6210\u5458\u53d8\u91cf）\u4ee5\u53ca\u65b9\u6cd5（\u5373\u6210\u5458\u51fd\u6570）, \u4e14\u501f\u52a9\u8bbf\u95ee\u4fee\u9970\u7b26\u6765\u628a\u63a7\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n

class Person {
\n public $name;
\n public $age;
\n public function __construct($name, $age) {
\n $this->name = $name;
\n $this->age = $age;
\n }
\n public function introduce() {
\n return "\u6211\u53eb" . $this->name . "，\u4eca\u5e74" . $this->age . "\u5c81";
\n }
\n}
\n$persion = new Person("\u738b\u4e94", 30);
\necho $persion->introduce();<\/p>\n

PHP\u7684\u9762\u5411\u5bf9\u8c61\u67b6\u6784\u4e4b\u4e2d, \u8fd8\u6db5\u62ec\u7740\u63a5\u53e3, \u4ee5\u53ca\u62bd\u8c61\u7c7b, \u8fd8\u6709trait\u7b49\u9ad8\u7ea7\u7279\u6027, \u8fd9\u4e9b\u67b6\u6784\u4e3a\u5f00\u53d1\u8005\u52a9\u529b, \u53bb\u6784\u7b51\u66f4\u7e41\u6742\u3001\u66f4\u5177\u53ef\u7ef4\u62a4\u6027\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

PHP\u7684\u8d85\u5168\u5c40\u53d8\u91cf\u7ed3\u6784<\/h3>\n

PHP\u7ed9\u51fa\u4e86\u4e00\u7ec4\u9884\u8bbe\u597d\u7684\u8d85\u5168\u5c40\u6570\u7ec4, \u8fd9\u7ec4\u6570\u7ec4\u5728\u4efb\u4f55\u4f5c\u7528\u8303\u56f4\u4e4b\u4e0b\u90fd\u80fd\u591f\u83b7\u53d6\u8bbf\u95ee, \u5e38\u89c1\u7684\u8d85\u5168\u5c40\u53d8\u91cf\u542b\u6709$_GET\u3001$_POST\u3001$_SESSION\u3001$_COOKIE\u3001$_SERVER\u7b49\u7b49, \u8fd9\u4e9b\u53d8\u91cf\u662fPHP\u5904\u7406HTTP\u8bf7\u6c42\u3001\u4f1a\u8bdd\u7ba1\u63a7\u4ee5\u53ca\u670d\u52a1\u5668\u4fe1\u606f\u7684\u5173\u952e\u7528\u5177\u3002<\/p>\n

\/\/ \u83b7\u53d6\u8868\u5355\u63d0\u4ea4\u7684\u6570\u636e
\n$username = $_POST['username'];
\n\/\/ \u83b7\u53d6URL\u53c2\u6570
\n$id = $_GET['id'];
\n\/\/ \u83b7\u53d6\u670d\u52a1\u5668\u4fe1\u606f
\n$serverName = $_SERVER['SERVER_NAME'];<\/p>\n

\"\"<\/p>\n

\u77e5\u6653\u8fd9\u4e9b\u8d85\u5168\u5c40\u53d8\u91cf\u6240\u5904\u60c5\u51b5, \u660e\u767d\u6784\u6210\u7ed3\u6784, \u638c\u63e1\u5230\u5e95\u5e94\u600e\u4e48\u4f7f\u7528, \u8fd9\u5bf9\u4e8e\u5f00\u5c55\u9488\u5bf9Web\u5e94\u7528\u7684\u5f00\u53d1\u90a3\u53ef\u662f\u76f8\u5f53\u5173\u7cfb\u91cd\u8981\u7684\u4e8b\u60c5\u3002<\/p>\n

PHP\u7684\u6587\u4ef6\u7ed3\u6784<\/h3>\n

PHP\u5bf9\u591a\u79cd\u6587\u4ef6\u5305\u542b\u673a\u5236\u4e88\u4ee5\u652f\u6301, \u5176\u4e2d\u6db5\u76d6include\u3001require\u3001include_once\u4ee5\u53carequire_once , \u8fd9\u4e9b\u7ed3\u6784\u88ab\u7528\u4ee5\u7ec4\u7ec7\u4ee3\u7801\u6a21\u5757, \u4ee5\u6b64\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u4e0e\u590d\u7528\u6027 , include\u4e0erequire\u5728\u5904\u7406\u9519\u8bef\u7684\u65b9\u5f0f\u8fd9\u70b9\u4e0a\u5b58\u6709\u7740\u533a\u522b , \u5f53\u6587\u4ef6\u4e0d\u5b58\u5728\u4e4b\u65f6 , include\u4f1a\u53d1\u51fa\u8b66\u544a\u5e76\u63a5\u7740\u6267\u884c , \u7136\u800crequire\u5374\u4f1a\u53d1\u51fa\u81f4\u547d\u9519\u8bef\u5e76\u505c\u6b62\u6267\u884c\u3002<\/p>\n

\/\/ \u5f15\u5165\u516c\u5171\u914d\u7f6e\u6587\u4ef6
\nrequire_once 'config.php';
\n\/\/ \u5f15\u5165\u9875\u9762\u5934\u90e8\u6a21\u677f
\ninclude 'header.php';<\/p>\n

\u603b\u7ed3<\/h3>\n

PHP\u7684\u7ed3\u6784\u4f53\u7cfb, \u6e05\u6670\u4e14\u5f3a\u5927, \u4ece\u57fa\u672c\u8bed\u6cd5\u8d77\u59cb, \u5230\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b, \u4ece\u63a7\u5236\u6d41\u65b9\u9762, \u5230\u8d85\u5168\u5c40\u53d8\u91cf, \u6bcf\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206, \u90fd\u5386\u7ecf\u7cbe\u5fc3\u8bbe\u8ba1 , \u76ee\u7684\u5728\u4e8e\u52a9\u529b\u5f00\u53d1\u8005, \u9ad8\u6548\u5730\u6784\u5efaWeb\u5e94\u7528\u3002\u638c\u63e1PHP\u7684\u7ed3\u6784, \u4e0d\u5149\u8981\u61c2\u5f97\u5404\u4e2a\u90e8\u5206\u7684\u529f\u80fd, \u66f4\u5f97\u7ecf\u7531\u5b9e\u8df5, \u628a\u8fd9\u4e9b\u77e5\u8bc6\u878d\u4f1a\u8d2f\u901a\u3002\u4e0d\u7ba1\u4f60\u662fPHP\u521d\u5b66\u8005, \u8fd8\u662f\u6709\u4e00\u5b9a\u57fa\u7840\u7684\u5f00\u53d1\u8005, \u6df1\u5165\u4e86\u89e3PHP\u7684\u7ed3\u6784, \u90fd\u4f1a\u4e3a\u4f60\u7684\u7f16\u7a0b\u4e4b\u8def, \u5960\u5b9a\u575a\u5b9e\u7684\u57fa\u7840\u3002\u501f\u52a9\u5bf9\u672c\u6587\u7684\u4e00\u756a\u5b66\u4e60, \u60f3\u5fc5\u4f60\u5bf9\u4e8ePHP\u7684\u7ed3\u6784\u5df2\u7136\u62e5\u6709\u4e86\u5168\u65b9\u4f4d\u7684\u8ba4\u77e5, \u7d27\u63a5\u7740\u4fbf\u662f\u7740\u624b\u8fdb\u884c\u5b9e\u8df5\u7684\u65f6\u523b\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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