{"id":184127,"date":"2024-05-08T22:01:00","date_gmt":"2024-05-08T14:01:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/184127.html"},"modified":"2024-05-08T22:01:12","modified_gmt":"2024-05-08T14:01:12","slug":"php%e4%bb%a3%e7%a0%81%ef%bc%8c%e6%80%8e%e6%a0%b7%e8%ae%a9%e5%a4%9a%e4%b8%aa%e6%89%8b%e6%9c%ba%e5%8f%b7%e7%a0%81%e9%9a%90%e8%97%8f%e4%b8%ad%e9%97%b4%e5%9b%9b%e4%bd%8d%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/184127.html","title":{"rendered":"PHP\u4ee3\u7801\uff0c\u600e\u6837\u8ba9\u591a\u4e2a\u624b\u673a\u53f7\u7801\u9690\u85cf\u4e2d\u95f4\u56db\u4f4d\u6570"},"content":{"rendered":"

\"PHP\u4ee3\u7801\uff0c\u600e\u6837\u8ba9\u591a\u4e2a\u624b\u673a\u53f7\u7801\u9690\u85cf\u4e2d\u95f4\u56db\u4f4d\u6570\"<\/p>\n

PHP\u4ee3\u7801\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u66ff\u6362\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5b9e\u73b0\u591a\u4e2a\u624b\u673a\u53f7\u7801\u4e2d\u95f4\u56db\u4f4d\u6570\u7684\u9690\u85cf\u3002\u4f7f\u7528substr_replace()<\/code>\u51fd\u6570\u3001\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u914d\u5408preg_replace()<\/code>\u51fd\u6570\u662f\u4e24\u79cd\u4e3b\u8981\u7684\u5b9e\u73b0\u65b9\u5f0f<\/strong>\u3002\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5c55\u5f00\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u914d\u5408preg_replace()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n

\u5728\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u548cpreg_replace()<\/code>\u7684\u65b9\u6cd5\u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u7684\u6a21\u5f0f\u5339\u914d\u80fd\u529b\u4f7f\u5f97\u5b83\u5728\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u65f6\u663e\u5f97\u5c24\u4e3a\u6709\u6548\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u53ef\u4ee5\u5b9e\u73b0\u624b\u673a\u53f7\u7801\u4e2d\u95f4\u56db\u4f4d\u7684\u9690\u85cf\uff0c\u8fd8\u80fd\u9002\u5e94\u5404\u79cd\u4e0d\u540c\u7684\u624b\u673a\u53f7\u683c\u5f0f\uff0c\u5305\u62ec\u5e26\u6709\u56fd\u5bb6\u4ee3\u7801\u6216\u533a\u53f7\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528SUBSTR_REPLACE()<\/code>\u51fd\u6570\u9690\u85cf\u4e2d\u95f4\u56db\u4f4d<\/strong><\/h2>\n<\/p>\n

substr_replace()<\/code>\u51fd\u6570\u5728PHP\u4e2d\u975e\u5e38\u9002\u5408\u7528\u6765\u66ff\u6362\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u3002\u5982\u679c\u8981\u9690\u85cf\u624b\u673a\u53f7\u7801\u4e2d\u95f4\u56db\u4f4d\uff0c\u4f60\u53ef\u4ee5\u5c06\u624b\u673a\u53f7\u7801\u770b\u4f5c\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u7528\u8fd9\u4e2a\u51fd\u6570\u6765\u66ff\u6362\u5176\u4e2d\u7684\u56db\u4f4d\u6570\u5b57\u3002<\/p>\n<\/p>\n

    \n
  1. \u9996\u5148\uff0c\u786e\u5b9a\u8981\u66ff\u6362\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002\u624b\u673a\u53f7\u7801\u4e2d\u95f4\u56db\u4f4d\uff0c\u5047\u8bbe\u624b\u673a\u53f7\u7801\u683c\u5f0f\u662f\u6807\u51c6\u768411\u4f4d\uff0c\u90a3\u4e48\u8fd94\u4f4d\u6570\u5b57\u7684\u8d77\u59cb\u4f4d\u7f6e\u662f4\uff08\u4ece0\u5f00\u59cb\u8ba1\u6570\uff09\u3002<\/li>\n
  2. \u7136\u540e\uff0c\u4f7f\u7528substr_replace()<\/code>\u51fd\u6570\u5c06\u6307\u5b9a\u4f4d\u7f6e\u7684\u56db\u4e2a\u5b57\u7b26\u66ff\u6362\u6210\u60f3\u8981\u7684\u66ff\u4ee3\u5b57\u7b26\uff0c\u6bd4\u5982"*"\u3002<\/li>\n<\/ol>\n

    \u4e8c\u3001\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u548cPREG_REPLACE()<\/code>\u51fd\u6570<\/strong><\/h2>\n<\/p>\n

    \u6b63\u5219\u8868\u8fbe\u5f0f\u7ed3\u5408preg_replace()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u975e\u5e38\u7075\u6d3b\u548c\u5f3a\u5927\u5730\u5904\u7406\u5b57\u7b26\u4e32\u66ff\u6362\u95ee\u9898\u3002<\/p>\n<\/p>\n

      \n
    1. \u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7f16\u5199\u5e94\u8be5\u80fd\u51c6\u786e\u5339\u914d\u5230\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\u5b57\u3002\u8fd9\u901a\u5e38\u9700\u8981\u7528\u5230\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u6570\u5b57\u5b9a\u4f4d\u7b26\u548c\u6570\u91cf\u8bcd\u3002<\/li>\n
    2. \u4f7f\u7528preg_replace()<\/code>\u51fd\u6570\u8fdb\u884c\u66ff\u6362\u64cd\u4f5c\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u6307\u5b9a\u66ff\u6362\u89c4\u5219\u548c\u76ee\u6807\u5b57\u7b26\u4e32\uff0c\u5b9e\u73b0\u5bf9\u5339\u914d\u5230\u7684\u90e8\u5206\u8fdb\u884c\u66ff\u6362\u3002<\/li>\n<\/ol>\n

      \u4e09\u3001\u5904\u7406\u591a\u4e2a\u624b\u673a\u53f7\u7801<\/strong><\/h2>\n<\/p>\n

      \u5f53\u5904\u7406\u591a\u4e2a\u624b\u673a\u53f7\u7801\u65f6\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u624b\u673a\u53f7\u7801\u653e\u5728\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff0c\u7136\u540e\u904d\u5386\u6570\u7ec4\uff0c\u5bf9\u6bcf\u4e2a\u624b\u673a\u53f7\u7801\u5206\u522b\u6267\u884c\u4e0a\u8ff0\u66ff\u6362\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

        \n
      1. \u904d\u5386\u6570\u7ec4\uff0c\u5bf9\u6bcf\u4e2a\u5143\u7d20\uff08\u624b\u673a\u53f7\u7801\uff09\u6267\u884c\u66ff\u6362\u64cd\u4f5c\u3002<\/li>\n
      2. \u4fdd\u7559\u539f\u6709\u683c\u5f0f\u4e0d\u53d8\uff0c\u4ec5\u5bf9\u6570\u5b57\u90e8\u5206\u8fdb\u884c\u9690\u85cf\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n

        \u56db\u3001\u9a8c\u8bc1\u548c\u6d4b\u8bd5<\/strong><\/h2>\n<\/p>\n

        \u5728\u5b9e\u9645\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u8fdb\u884c\u624b\u673a\u53f7\u7801\u9690\u85cf\u64cd\u4f5c\u4e4b\u524d\uff0c\u9a8c\u8bc1\u548c\u6d4b\u8bd5\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u6b65\u3002<\/p>\n<\/p>\n

          \n
        1. \u6d4b\u8bd5\u4e0d\u540c\u7684\u624b\u673a\u53f7\u7801\u683c\u5f0f\uff0c\u5305\u62ec\u6807\u51c6\u768411\u4f4d\u624b\u673a\u53f7\u3001\u5e26\u56fd\u5bb6\u4ee3\u7801\u7684\u624b\u673a\u53f7\u7b49\uff0c\u4ee5\u786e\u4fdd\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u66ff\u6362\u903b\u8f91\u80fd\u6b63\u786e\u5e94\u5bf9\u5404\u79cd\u60c5\u51b5\u3002<\/li>\n
        2. \u4f7f\u7528\u5408\u9002\u7684\u6d4b\u8bd5\u7528\u4f8b\u6765\u9a8c\u8bc1\u9690\u85cf\u6548\u679c\uff0c\u786e\u4fdd\u4e2d\u95f4\u56db\u4f4d\u6570\u5b57\u88ab\u6b63\u786e\u4e14\u5b8c\u5168\u5730\u9690\u85cf\u3002<\/li>\n<\/ol>\n

          \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5728PHP\u4e2d\u5b9e\u73b0\u591a\u4e2a\u624b\u673a\u53f7\u7801\u9690\u85cf\u4e2d\u95f4\u56db\u4f4d\u6570\u5b57\u7684\u529f\u80fd\u3002\u8fd9\u4e0d\u4ec5\u589e\u5f3a\u4e86\u7528\u6237\u4fe1\u606f\u7684\u5b89\u5168\u6027\uff0c\u8fd8\u63d0\u5347\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u4e13\u4e1a\u5ea6\u548c\u7528\u6237\u4fe1\u4efb\u611f\u3002<\/p>\n<\/p>\n

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

          1. \u6211\u60f3\u5728PHP\u4ee3\u7801\u4e2d\u9690\u85cf\u591a\u4e2a\u624b\u673a\u53f7\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\uff0c\u8be5\u600e\u4e48\u505a\uff1f<\/strong><\/p>\n

          \u82e5\u8981\u5728PHP\u4ee3\u7801\u4e2d\u9690\u85cf\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4f60\u53ef\u4ee5\u5c06\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u7528\u7279\u5b9a\u5b57\u7b26\uff08\u5982"*"\uff09\u4ee3\u66ff\uff0c\u4ee5\u8fbe\u5230\u9690\u85cf\u7684\u6548\u679c\u3002<\/p>\n

          \u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6570 substr()<\/code> \u6765\u622a\u53d6\u624b\u673a\u53f7\u7801\u7684\u524d\u4e09\u4f4d\u548c\u540e\u56db\u4f4d\u3002\u7136\u540e\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6570 str_repeat()<\/code> \u6765\u751f\u6210\u4e0e\u624b\u673a\u53f7\u7801\u4e2d\u95f4\u56db\u4f4d\u957f\u5ea6\u76f8\u7b49\u7684\u7279\u5b9a\u5b57\u7b26\uff08\u5982"*"\uff09\u3002\u6700\u540e\uff0c\u5c06\u622a\u53d6\u7684\u624b\u673a\u53f7\u7801\u7684\u524d\u4e09\u4f4d\u3001\u7279\u5b9a\u5b57\u7b26\u548c\u540e\u56db\u4f4d\u8fdb\u884c\u8fde\u63a5\u5373\u53ef\u5f97\u5230\u9690\u85cf\u4e2d\u95f4\u56db\u4f4d\u7684\u624b\u673a\u53f7\u7801\u3002<\/p>\n

          \u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

          $phoneNumbers = array("1234567890", "0987654321", "9876543210");\n\nforeach ($phoneNumbers as $number) {\n  $hiddenNumber = substr($number, 0, 3) . str_repeat("*", 4) . substr($number, -4);\n  echo $hiddenNumber . "<br>";\n}\n<\/code><\/pre>\n
          \u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728PHP\u4ee3\u7801\u4e2d\u9690\u85cf\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\u4e86\u3002<\/p>\n
          2. \u5982\u4f55\u4f7f\u7528PHP\u7f16\u5199\u4ee3\u7801\u6765\u9690\u85cf\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\uff1f<\/strong><\/p>\n
          \u5982\u679c\u4f60\u60f3\u5728PHP\u4ee3\u7801\u4e2d\u7f16\u5199\u529f\u80fd\u6765\u81ea\u52a8\u9690\u85cf\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u66ff\u6362\u51fd\u6570 preg_replace()<\/code>\u3002<\/p>\n
          \u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\uff0c\u4ee5\u5339\u914d\u624b\u673a\u53f7\u7801\u4e2d\u95f4\u56db\u4f4d\u3002\u7136\u540e\uff0c\u4f7f\u7528\u66ff\u6362\u51fd\u6570 preg_replace()<\/code> \u5c06\u5339\u914d\u5230\u7684\u4e2d\u95f4\u56db\u4f4d\u66ff\u6362\u4e3a\u7279\u5b9a\u5b57\u7b26\uff08\u5982"*"\uff09\u3002<\/p>\n
          \u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          $phoneNumbers = array("1234567890", "0987654321", "9876543210");\n\nforeach ($phoneNumbers as $number) {\n  $pattern = "\/(\\d{3})\\d{4}(\\d{2})\/";\n  $replacement = "$1<\/strong>$2";\n  $hiddenNumber = preg_replace($pattern, $replacement, $number);\n  echo $hiddenNumber . "<br>";\n}\n<\/code><\/pre>\n
          \u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u4f7f\u7528PHP\u7f16\u5199\u4ee3\u7801\u6765\u9690\u85cf\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\u4e86\u3002<\/p>\n
          3. \u600e\u6837\u5728PHP\u4ee3\u7801\u4e2d\u4fdd\u62a4\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u9690\u79c1\uff1f<\/strong><\/p>\n
          \u5982\u679c\u4f60\u60f3\u5728PHP\u4ee3\u7801\u4e2d\u4fdd\u62a4\u591a\u4e2a\u624b\u673a\u53f7\u7801\u7684\u9690\u79c1\uff0c\u4e00\u79cd\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u9690\u85cf\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u4ed6\u4eba\u83b7\u53d6\u5230\u5b8c\u6574\u7684\u624b\u673a\u53f7\u7801\u3002<\/p>\n
          \u4f60\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9690\u85cf\u624b\u673a\u53f7\u7801\u7684\u4e2d\u95f4\u56db\u4f4d\u6570\u3002\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570 substr()<\/code> \u548c str_repeat()<\/code>\uff0c\u6216\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u66ff\u6362\u51fd\u6570 preg_replace()<\/code>\uff0c\u4f60\u53ef\u4ee5\u66ff\u6362\u4e2d\u95f4\u56db\u4f4d\u6570\u4e3a\u7279\u5b9a\u5b57\u7b26\uff0c\u4ee5\u8fbe\u5230\u9690\u85cf\u7684\u6548\u679c\u3002<\/p>\n
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