{"id":183071,"date":"2024-05-08T21:36:27","date_gmt":"2024-05-08T13:36:27","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/183071.html"},"modified":"2024-05-08T21:36:34","modified_gmt":"2024-05-08T13:36:34","slug":"php%e4%b8%ad%e5%8d%95%e5%bc%95%e5%8f%b7%e5%92%8c%e5%8f%8c%e5%bc%95%e5%8f%b7%e6%9c%89%e4%bb%80%e4%b9%88%e4%bd%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/183071.html","title":{"rendered":"PHP\u4e2d\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u6709\u4ec0\u4e48\u4f5c\u7528"},"content":{"rendered":"

\"PHP\u4e2d\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u6709\u4ec0\u4e48\u4f5c\u7528\"<\/p>\n

PHP\u4e2d\u5355\u5f15\u53f7\uff08'\uff09\u548c\u53cc\u5f15\u53f7\uff08"\uff09\u4e3b\u8981\u5728\u4e8e\u5904\u7406\u5b57\u7b26\u4e32\u65f6\u7684\u4e0d\u540c\u8868\u73b0\uff1a\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\u3001\u6027\u80fd\u5dee\u5f02\u3001\u53d8\u91cf\u89e3\u6790\u3001\u7279\u6b8a\u5b57\u7b26\u5904\u7406<\/strong>\u3002\u5728\u5355\u5f15\u53f7<\/strong>\u5b57\u7b26\u4e32\u4e2d\uff0c\u6587\u672c\u5927\u591a\u6309\u7167\u5b57\u9762\u610f\u4e49\u5904\u7406\uff0c\u800c\u53cc\u5f15\u53f7<\/strong>\u5b57\u7b26\u4e32\u4e2d\u7684\u6587\u672c\uff0cPHP\u5219\u4f1a\u89e3\u6790\u66f4\u591a\u7684\u7279\u6b8a\u5b57\u7b26\u548c\u53d8\u91cf\u3002\u7279\u522b\u662f\u5728\u53d8\u91cf\u89e3\u6790<\/strong>\u65b9\u9762\uff0c\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u4f1a\u89e3\u6790\u5d4c\u5957\u5176\u4e2d\u7684\u53d8\u91cf\u503c\uff0c\u800c\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u5219\u4e0d\u4f1a\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5904\u7406\u65b9\u5f0f\u4e0d\u540c<\/h3>\n<\/p>\n

\u5728PHP\u4e2d\uff0c\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u90fd\u7528\u4e8e\u5b9a\u4e49\u5b57\u7b26\u4e32\u503c\uff0c\u4f46\u5728\u5904\u7406\u65b9\u5f0f\u4e0a\u6709\u6240\u4e0d\u540c\u3002\u5355\u5f15\u53f7\u5b57\u7b26\u4e32<\/strong>\u4e2d\u7684\u5185\u5bb9\u4f1a\u88ab\u89c6\u4e3a\u7eaf\u7cb9\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u610f\u5473\u7740\u9664\u4e86\u4e24\u79cd\u4f8b\u5916\u60c5\u51b5\u2014\u2014\u5355\u5f15\u53f7\u672c\u8eab\uff08\u5fc5\u987b\u901a\u8fc7\u53cd\u659c\u6760\u8f6c\u4e49\uff09\u548c\u53cd\u659c\u6760\uff08\u4e5f\u5fc5\u987b\u8f6c\u4e49\uff09\uff0cPHP\u4e0d\u4f1a\u89e3\u6790\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\u7684\u4efb\u4f55\u5176\u4ed6\u7279\u6b8a\u7b26\u53f7\u3002<\/p>\n<\/p>\n

\u76f8\u53cd\uff0c\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32<\/strong>\u4e2d\u7684\u5185\u5bb9\u4f1a\u88abPHP\u89e3\u6790\u5668\u68c0\u67e5\u548c\u89e3\u6790\uff0cPHP\u4f1a\u5bfb\u627e\u7279\u6b8a\u5b57\u7b26\uff0c\u5982\u53d8\u91cf\u3001\u7279\u5b9a\u7684\u8f6c\u4e49\u5e8f\u5217\uff08\u4f8b\u5982\\n\u8868\u793a\u65b0\u884c\u3001\\t\u8868\u793a\u5236\u8868\u7b26\u7b49\uff09\u5e76\u5c06\u5176\u8f6c\u6362\u6210\u76f8\u5e94\u7684\u503c\u6216\u7b26\u53f7\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u6027\u80fd\u5dee\u5f02<\/h3>\n<\/p>\n

\u5728PHP\u7684\u65e9\u671f\u7248\u672c\u4e2d\uff0c\u5bf9\u6027\u80fd\u7684\u8003\u91cf\u5efa\u8bae\u4f7f\u7528\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u9700\u8981\u7ecf\u8fc7\u53d8\u91cf\u66ff\u6362\u6216\u7279\u6b8a\u5b57\u7b26\u89e3\u6790\uff0c\u8fd9\u53ef\u4ee5\u5fae\u5c0f\u5730\u51cf\u5c11PHP\u89e3\u6790\u5668\u7684\u5de5\u4f5c\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4e00\u70b9\u70b9\u6027\u80fd\u3002\u7136\u800c\uff0c\u968f\u7740PHP\u7248\u672c\u7684\u4e0d\u65ad\u66f4\u65b0\u548c\u4f18\u5316\uff0c\u8fd9\u79cd\u6027\u80fd\u5dee\u5f02\u5df2\u7ecf\u53d8\u5f97\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5982\u679c\u5b57\u7b26\u4e32\u5185\u4e0d\u9700\u8981\u53d8\u91cf\u89e3\u6790\uff0c\u4f7f\u7528\u5355\u5f15\u53f7\u4ecd\u7136\u662f\u4e00\u4e2a\u5fae\u4f18\u5316\u7684\u5b9e\u8df5<\/strong>\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u53d8\u91cf\u89e3\u6790<\/h3>\n<\/p>\n

\u8fd9\u662f\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u5728PHP\u4e2d\u6700\u663e\u8457\u7684\u533a\u522b\u4e4b\u4e00\u3002\u5728\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\uff0cPHP\u4f1a\u89e3\u6790\u5d4c\u5957\u5176\u4e2d\u7684\u53d8\u91cf<\/strong>\uff0c\u628a\u53d8\u91cf\u540d\u66ff\u6362\u6210\u5b83\u7684\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709$type='world';<\/code>\uff0c\u90a3\u4e48"Hello $type"<\/code>\u4f1a\u88ab\u89e3\u6790\u4e3a"Hello world"\u3002\u800c\u5728\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\uff0c\u76f8\u540c\u7684\u8868\u8fbe\u5f0f\u4f1a\u88ab\u89c6\u4e3a\u666e\u901a\u6587\u672c\uff0c\u4e5f\u5c31\u662f'Hello $type'<\/code>\u4f1a\u76f4\u63a5\u8f93\u51fa"Hello $type"\uff0c\u4e0d\u4f1a\u53d1\u751f\u53d8\u91cf\u66ff\u6362\u3002<\/p>\n<\/p>\n

\u5bf9\u53d8\u91cf\u89e3\u6790<\/strong>\u8fdb\u884c\u6df1\u5165\u8bf4\u660e\uff0c\u53d8\u91cf\u5728\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\u7684\u89e3\u6790\u4f7f\u5f97\u5b57\u7b26\u4e32\u64cd\u4f5c\u66f4\u52a0\u7075\u6d3b\u548c\u5f3a\u5927\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u5d4c\u5165\u6570\u7ec4\u5143\u7d20\u6216\u5bf9\u8c61\u5c5e\u6027\u3002\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u5141\u8bb8\u5728\u5176\u4e2d\u5d4c\u5165\u590d\u6742\u7684\u8868\u8fbe\u5f0f\uff0c\u5982${$var}<\/code>\u548c{$obj->prop}<\/code>\uff0c\u8fd9\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u65b9\u4fbf\u6027\u3002\u7136\u800c\uff0c\u8fd9\u4e5f\u610f\u5473\u7740\u5f53\u5b57\u7b26\u4e32\u5305\u542b\u591a\u4e2a\u53d8\u91cf\u6216\u8f83\u4e3a\u590d\u6742\u7684\u89e3\u6790\u573a\u666f\u65f6\uff0c\u5fc5\u987b\u4ed4\u7ec6\u68c0\u67e5\u4ee5\u907f\u514d\u9519\u8bef\u3002<\/p>\n<\/p>\n

\u56db\u3001\u7279\u6b8a\u5b57\u7b26\u5904\u7406<\/h3>\n<\/p>\n

\u7279\u6b8a\u5b57\u7b26<\/strong>\u7684\u5904\u7406\u4e5f\u662f\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u7684\u4e00\u4e2a\u91cd\u8981\u533a\u522b\u3002\u5728\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\uff0c\u53ef\u4ee5\u5305\u542b\u4e00\u7cfb\u5217\u7684\u8f6c\u4e49\u5e8f\u5217\uff0c\u4f8b\u5982\\n<\/code>\uff08\u65b0\u884c\uff09\u3001\\r<\/code>\uff08\u56de\u8f66\uff09\u3001\\t<\/code>\uff08\u5236\u8868\u7b26\uff09\u7b49\uff0c\u8fd9\u4e9b\u5728\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\u4f1a\u88ab\u89c6\u4e3a\u666e\u901a\u7684\u6587\u672c\u8f93\u51fa\u3002\u8fd9\u4e3a\u5728\u5b57\u7b26\u4e32\u4e2d\u542b\u6709\u5982\u65b0\u884c\u8fd9\u6837\u7684\u7279\u6b8a\u683c\u5f0f\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002<\/p>\n<\/p>\n

\u5982\u679c\u9700\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u9891\u7e41\u4f7f\u7528\u7279\u5b9a\u7684\u63a7\u5236\u5b57\u7b26\uff0c\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u7f16\u5199\u5b83\u4eec\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u9700\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u591a\u4e2a\u5236\u8868\u7b26\u6216\u6362\u884c\uff0c\u4f7f\u7528\u53cc\u5f15\u53f7\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u8f6c\u4e49\u5e8f\u5217\u6765\u5b9e\u73b0\uff0c\u800c\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u5219\u9700\u8981\u4f60\u624b\u52a8\u63d2\u5165\u8fd9\u4e9b\u5b57\u7b26\u7684\u5b9e\u9645\u503c\u3002<\/p>\n<\/p>\n

\u7efc\u4e0a\uff0c\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u5728PHP\u5b57\u7b26\u4e32\u7684\u5904\u7406\u4e0a\u6709\u7740\u660e\u663e\u7684\u5dee\u5f02\u3002\u9009\u62e9\u54ea\u4e00\u79cd\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u2014\u2014\u662f\u5426\u9700\u8981\u53d8\u91cf\u89e3\u6790\u3001\u662f\u5426\u5229\u7528\u7279\u6b8a\u5b57\u7b26\u4ee5\u53ca\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u7406\u89e3\u8fd9\u4e9b\u5dee\u5f02\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5199\u51fa\u66f4\u6e05\u6670\u3001\u6548\u7387\u66f4\u9ad8\u7684PHP\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u5728PHP\u4e2d\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n

\u5728PHP\u4e2d\uff0c\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u90fd\u53ef\u4ee5\u7528\u6765\u5b9a\u4e49\u5b57\u7b26\u4e32\uff08string\uff09\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u533a\u522b\u3002\u5355\u5f15\u53f7\u7528\u4e8e\u521b\u5efa\u7b80\u5355\u7684\u5b57\u7b26\u4e32\uff0c\u5b57\u7b26\u4e32\u4e2d\u7684\u5185\u5bb9\u4f1a\u88ab\u539f\u6837\u8f93\u51fa\uff0c\u4e0d\u4f1a\u89e3\u6790\u5176\u4e2d\u7684\u53d8\u91cf\u548c\u7279\u6b8a\u5b57\u7b26\u3002\u53cc\u5f15\u53f7\u53ef\u4ee5\u89e3\u6790\u53d8\u91cf\u548c\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\uff0c\u5b83\u4f1a\u5c06\u53d8\u91cf\u7684\u503c\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u5e76\u5c06\u7279\u6b8a\u5b57\u7b26\u66ff\u6362\u4e3a\u76f8\u5e94\u7684\u503c\u3002\u56e0\u6b64\uff0c\u9009\u62e9\u4f7f\u7528\u5355\u5f15\u53f7\u8fd8\u662f\u53cc\u5f15\u53f7\u53d6\u51b3\u4e8e\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u53d8\u91cf\u6216\u7279\u6b8a\u5b57\u7b26\u3002<\/p>\n

2. \u5728PHP\u4e2d\uff0c\u5982\u4f55\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u53d8\u91cf\uff1f<\/strong><\/p>\n

\u5728PHP\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\u5c06\u53d8\u91cf\u5d4c\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u53cc\u5f15\u53f7\u5c06\u53d8\u91cf\u76f4\u63a5\u5d4c\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fde\u63a5\u8fd0\u7b97\u7b26"."\u5c06\u53d8\u91cf\u8fde\u63a5\u5230\u5b57\u7b26\u4e32\u4e2d\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a$name\u7684\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5b83\uff1a<\/p>\n

    \n
  • \u4f7f\u7528\u53cc\u5f15\u53f7\uff1aecho "Hello, $name!";<\/li>\n
  • \u4f7f\u7528\u8fde\u63a5\u8fd0\u7b97\u7b26\uff1aecho "Hello, " . $name . "!";<\/li>\n<\/ul>\n

    \u8bf7\u6ce8\u610f\uff0c\u4f7f\u7528\u53cc\u5f15\u53f7\u65f6\uff0c\u53d8\u91cf\u7684\u503c\u4f1a\u81ea\u52a8\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u800c\u4f7f\u7528\u8fde\u63a5\u8fd0\u7b97\u7b26\u65f6\uff0c\u9700\u8981\u624b\u52a8\u5c06\u53d8\u91cf\u548c\u5b57\u7b26\u4e32\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n

    3. PHP\u5b57\u7b26\u4e32\u4e2d\u5982\u4f55\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\uff1f<\/strong><\/p>\n

    \u5728PHP\u4e2d\uff0c\u53cd\u659c\u6760\uff08\\\uff09\u7528\u4f5c\u8f6c\u4e49\u5b57\u7b26\uff0c\u53ef\u4ee5\u7528\u6765\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\u3002\u5f53\u6211\u4eec\u60f3\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u4f8b\u5982\u53cc\u5f15\u53f7\u3001\u5355\u5f15\u53f7\u3001\u53cd\u659c\u6760\u7b49\uff0c\u53ef\u4ee5\u5728\u5b83\u4eec\u4e4b\u524d\u52a0\u4e0a\u53cd\u659c\u6760\u6765\u8f6c\u4e49\u5b83\u4eec\uff0c\u4ee5\u9632\u6b62\u5b83\u4eec\u88ab\u89e3\u6790\u4e3a\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u3002\u4f8b\u5982\uff0c\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u53cc\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cd\u659c\u6760\u8fdb\u884c\u8f6c\u4e49\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

      \n
    • echo "This is a "quoted" string.";<\/li>\n<\/ul>\n

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