{"id":30798,"date":"2023-01-25T22:15:43","date_gmt":"2023-10-21T12:43:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8php%e7%bc%96%e5%86%99%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e3%80%82-2\/"},"modified":"2025-08-12T20:52:22","modified_gmt":"2025-08-12T12:52:22","slug":"%e7%94%a8php%e7%bc%96%e5%86%99%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e3%80%82-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8php%e7%bc%96%e5%86%99%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e3%80%82-2\/","title":{"rendered":"\u7528PHP\u7f16\u5199\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"<h1>\u6b63\u5219\u8868\u8fbe\u5f0f<\/h1>\n<p>\u4f7f\u7528PHP\u7f16\u5199\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u6a21\u5f0f\u5339\u914d\u3002<\/p>\n<h2>\u6267\u884c\u6a21\u5f0f\u5339\u914d\u7684\u51fd\u6570<\/h2>\n<p>preg_match\u53ef\u4ee5\u68c0\u67e5\u5728\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u6709\u4e0e\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7684\u5185\u5bb9\u3002<\/p>\n<p>preg_match(\u201d\u6b63\u898f\u8868\u73fe\u201d,\u6587\u5b57\u5217) \u53ef\u4ee5\u88ab\u6539\u5199\u4e3a\u300c\u5339\u914d\u6a21\u5f0f(\u201d\u6b63\u898f\u8868\u73fe\u201d,\u6587\u5b57\u5217)\u300d\u3002<\/p>\n<h2>\u6b63\u898f\u8868\u9054\u5f0f\u7684\u64b0\u5beb\u65b9\u6cd5<\/h2>\n<p>\u5728PCRE\u51fd\u6570\uff08preg_match\uff09\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u524d\u540e\u5fc5\u987b\u52a0\u4e0a\u5b9a\u754c\u7b26\u3002\u659c\u7ebf\uff08\/\uff09\u662f\u5e38\u7528\u7684\u5b9a\u754c\u7b26\u4e4b\u4e00\u3002<br \/>\n\u901a\u8fc7\u5728\u659c\u7ebf\u4e4b\u540e\u6dfb\u52a0\u4fee\u9970\u7b26\uff0c\u53ef\u4ee5\u6307\u5b9a\u5339\u914d\u65b9\u6cd5\uff0c\u4f46\u5728\u6b64\u6211\u4eec\u5c06\u4e0d\u4e88\u8ba8\u8bba\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nb\">preg_match<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\/[^0-9]+\/\"<\/span><span class=\"p\">,<\/span><span class=\"nv\">$number<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'location: input.php'<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/input.php\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/span>\r\n      <span class=\"k\">exit<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">[^ ]\uff1a\u62ec\u5f27\u5185\u306e\u6587\u5b57\u3092\u9664\u304f\u4efb\u610f\u306e\u4e00\u6587\u5b57<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">[0-9]\uff1a0\u304b\u30899\u306e\u4efb\u610f\u306e\u4e00\u6587\u5b57<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">+\uff1a\u524d\u306e\u6587\u5b57\u30921\u56de\u4ee5\u4e0a\u7e70\u308a\u8fd4\u3057<\/ul>\n<p>\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5b83\u4eec\u5404\u81ea\u8868\u793a\u7740\u4ee5\u4e0b\u542b\u4e49\u3002<br \/>\n\u57fa\u4e8e\u6b64\uff0c\/[^0-9]+\/ \u53ef\u4ee5\u8868\u793a\u4e3a<\/p>\n<p>\u300c\u51fa\u73b0\u4e00\u6b21\u4ee5\u4e0a\u8fde\u7eed\u7684\u9664\u4e860\u52309\u4e4b\u5916\u7684\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\u300d<\/p>\n<p>\u6211\u660e\u767d\u4f60\u60f3\u8868\u8fbe\u7684\u610f\u601d\u3002 (W\u01d2 n\u01d0 de .)<\/p>\n<p>\u6574\u4e2a\u7a0b\u5e8f\u7684\u610f\u601d\u662f\uff0c\u201c\u5982\u679c\u5b57\u7b26\u4e32\\$number\u4e2d\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\uff0c\u8bf7\u8f6c\u5230\u540d\u4e3ainput.php\u7684\u9875\u9762\u201d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u5219\u8868\u8fbe\u5f0f \u4f7f\u7528PHP\u7f16\u5199\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u6a21\u5f0f\u5339\u914d\u3002 \u6267\u884c\u6a21\u5f0f\u5339\u914d\u7684\u51fd\u6570 preg_match\u53ef\u4ee5\u68c0\u67e5\u5728\u5b57\u7b26\u4e32\u4e2d [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30798","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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