{"id":46780,"date":"2024-12-02T10:45:34","date_gmt":"2024-12-02T02:45:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46780\/"},"modified":"2024-12-02T10:45:34","modified_gmt":"2024-12-02T02:45:34","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8php%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%90%a6%e5%ae%9a%e6%9f%a5%e6%89%be%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46780\/","title":{"rendered":"\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f<\/h1>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p>\u5728 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff0c\u53ef\u4ee5\u4f7f\u7528 ?! \u8fd0\u7b97\u7b26\u3002\u8bed\u6cd5\uff1apreg_match(&#8216;\/\u8868\u8fbe\u5f0f ?! \u6a21\u5f0f\/&#8217;, $\u5b57\u7b26\u4e32)\u3002\u5177\u4f53\u6848\u4f8b\u5305\u62ec\uff1a1. \u67e5\u627e\u5305\u542b\u6570\u5b57\u4f46\u4e0d\u5305\u542b\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\uff1apreg_match(&#8216;\/\\d+ ?! [a-zA-Z]\/&#8217;, $\u5b57\u7b26\u4e32)\u30022. \u67e5\u627e\u4e0d\u4ee5 &#8220;a&#8221; \u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff1a^(?!a)[\\w\\s]+$\u30023. \u67e5\u627e\u4e0d\u5305\u542b &#8220;foo&#8221; \u5355\u8bcd\u7684\u5b57\u7b26\u4e32\uff1a\/(?!foo).\/\u30024. \u67e5\u627e\u4e0d\u5305\u542b\u5c0f\u5199\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\uff1a\/(?![a-z]).\/\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729846243671b5be3157c1.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f<\/strong><\/p>\n<p>PHP \u4e2d\u7684\u5426\u5b9a\u67e5\u627e\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u67e5\u627e\u4e0d\u5339\u914d\u7279\u5b9a\u6a21\u5f0f\u7684\u5b57\u7b26\u4e32\u90e8\u5206\u3002\u53ef\u4ee5\u4f7f\u7528 <code>?!<\/code> \u8fd0\u7b97\u7b26\u6307\u5b9a\u5426\u5b9a\u67e5\u627e\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>preg_match('\/\u8868\u8fbe\u5f0f ?! \u6a21\u5f0f\/', $\u5b57\u7b26\u4e32);<\/pre>\n<p><strong>\u5b9e\u9645\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u67e5\u627e\u5305\u542b\u6570\u5b57\u4f46\u4e0d\u5305\u542b\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n<pre>preg_match('\/\\d+ ?! [a-zA-Z]\/', '123abc'); \/\/ \u4e0d\u5339\u914d\npreg_match('\/\\d+ ?! [a-zA-Z]\/', '12345'); \/\/ \u5339\u914d<\/pre>\n<p><strong>\u5176\u4ed6\u793a\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\u67e5\u627e\u4e0d\u4ee5 &#8220;a&#8221; \u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff1a<code>^(?!a)[\\w\\s]+$<\/code><\/li>\n<li>\u67e5\u627e\u4e0d\u5305\u542b &#8220;foo&#8221; \u5355\u8bcd\u7684\u5b57\u7b26\u4e32\uff1a<code>\/(?!foo).*\/<\/code><\/li>\n<li>\u67e5\u627e\u4e0d\u5305\u542b\u5c0f\u5199\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\uff1a<code>\/(?![a-z]).*\/<\/code><\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5426\u5b9a\u67e5\u627e\u662f\u4e00\u4e2a\u96f6\u5bbd\u5ea6\u65ad\u8a00\uff0c\u5b83\u4e0d\u4f1a\u6d88\u8017\u8f93\u5165\u5b57\u7b26\u4e32\u4e2d\u7684\u4efb\u4f55\u5b57\u7b26\u3002<\/li>\n<li>\u5426\u5b9a\u67e5\u627e\u53ea\u80fd\u7528\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5f00\u5934\u6216 (?= \u6a21\u5f0f) \u80af\u5b9a\u67e5\u627e\u540e\u9762\u3002<\/li>\n<li>\u53ef\u4ee5\u8fde\u7eed\u4f7f\u7528\u591a\u4e2a\u5426\u5b9a\u67e5\u627e\u6765\u521b\u5efa\u66f4\u590d\u6742\u7684\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f,\u5426\u5b9a\u67e5\u627e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f \u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300a\u5982\u4f55\u5728php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f\u300b\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 \u5728 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff0c\u53ef\u4ee5\u4f7f\u7528 ?! \u8fd0\u7b97\u7b26\u3002\u8bed\u6cd5\uff1apreg_match(&#8216;\/\u8868\u8fbe\u5f0f ?! \u6a21\u5f0f\/&#8217;, $\u5b57\u7b26\u4e32)\u3002\u5177\u4f53\u6848\u4f8b\u5305\u62ec\uff1a1. \u67e5\u627e\u5305\u542b\u6570\u5b57\u4f46\u4e0d\u5305\u542b\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\uff1apreg_match(&#8216;\/\\d+ ?! [a-zA-Z]\/&#8217;, $\u5b57\u7b26\u4e32)\u30022. \u67e5\u627e\u4e0d\u4ee5 &#8220;a&#8221; \u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff1a^(?!a)[\\w\\s]+$\u30023. \u67e5\u627e\u4e0d\u5305\u542b &#8220;foo&#8221; \u5355\u8bcd\u7684\u5b57\u7b26\u4e32\uff1a\/(?!foo).\/\u30024. \u67e5\u627e\u4e0d\u5305\u542b\u5c0f\u5199\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\uff1a\/(?![a-z]).\/\u3002 \u5982\u4f55\u5728 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5426\u5b9a\u67e5\u627e\uff1f PHP \u4e2d\u7684\u5426\u5b9a\u67e5\u627e\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u67e5\u627e\u4e0d\u5339\u914d\u7279\u5b9a\u6a21\u5f0f\u7684\u5b57\u7b26\u4e32\u90e8\u5206\u3002\u53ef\u4ee5\u4f7f\u7528 ?! \u8fd0\u7b97\u7b26\u6307\u5b9a\u5426\u5b9a\u67e5\u627e\u3002 \u8bed\u6cd5\uff1a preg_match(&#8216;\/\u8868\u8fbe\u5f0f ?! \u6a21\u5f0f\/&#8217;, $\u5b57\u7b26\u4e32); \u5b9e\u9645\u6848\u4f8b\uff1a \u5047\u8bbe\u6211\u4eec\u9700\u8981\u67e5\u627e\u5305\u542b\u6570\u5b57\u4f46\u4e0d\u5305\u542b\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a preg_match(&#8216;\/\\d+ ?! [a-zA-Z]\/&#8217;, &#8216;123abc&#8217;); \/\/ \u4e0d\u5339\u914d preg_match(&#8216;\/\\d+ ?! [a-zA-Z]\/&#8217;, &#8216;12345&#8217;); \/\/ \u5339\u914d \u5176\u4ed6\u793a\u4f8b\uff1a \u67e5\u627e\u4e0d\u4ee5 &#8220;a&#8221; \u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff1a^(?!a)[\\w\\s]+$ \u67e5\u627e\u4e0d\u5305\u542b &#8220;foo&#8221; \u5355\u8bcd\u7684\u5b57\u7b26\u4e32\uff1a\/(?!foo).*\/ \u67e5\u627e\u4e0d\u5305\u542b\u5c0f\u5199\u5b57\u6bcd\u7684\u5b57\u7b26\u4e32\uff1a\/(?![a-z]).*\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-46780","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=46780"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46780\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}