{"id":47327,"date":"2024-12-02T14:49:22","date_gmt":"2024-12-02T06:49:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47327\/"},"modified":"2024-12-02T14:49:22","modified_gmt":"2024-12-02T06:49:22","slug":"php-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e7%b2%be%e9%80%9a%ef%bc%9a%e7%90%86%e8%ae%ba%e4%b8%8e%e5%ae%9e%e8%b7%b5%e7%9b%b8%e7%bb%93%e5%90%88%e7%9a%84%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47327\/","title":{"rendered":"PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p>PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u6559\u7a0b\u63d0\u4f9b\u7406\u8bba\u4e0e\u5b9e\u8df5\uff0c\u5e2e\u52a9\u638c\u63e1\u6587\u672c\u5904\u7406\u3002\u8bed\u6cd5\u5305\u62ec\u7279\u6b8a\u5b57\u7b26\uff08.\u3001^\u3001$\u7b49\uff09\u548c\u91cf\u8bcd\uff08\\d\u3001\\s\u3001\\w\u7b49\uff09\u3002\u5b9e\u6218\u6848\u4f8b\u5305\u62ec\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3001\u63d0\u53d6 HTML \u6587\u672c\u548c\u66ff\u6362\u6570\u5b57\u4e3a\u6587\u672c\u3002\u4f7f\u7528 PHP \u51fd\u6570\u5982 preg_match() \u548c preg_replace() \u8fdb\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3001\u63d0\u53d6 HTML \u6587\u672c\u548c\u66ff\u6362\u6570\u5b57\u4e3a\u6587\u672c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729911147671c596bc2bbe.jpg\" class=\"aligncenter\" title=\"PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357\u63d2\u56fe\" alt=\"PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u6b63\u5219\u8868\u8fbe\u5f0f (Regex) \u662f\u4e00\u79cd\u7528\u4e8e\u5339\u914d\u548c\u64cd\u4f5c\u6587\u672c\u7684\u5f3a\u5927\u5de5\u5177\u3002\u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>preg_match()<\/code> \u548c <code>preg_replace()<\/code> \u7b49\u51fd\u6570\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u672c\u6307\u5357\u5c06\u5e26\u4f60\u6df1\u5165\u4e86\u89e3 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7406\u8bba\u548c\u5b9e\u8df5\uff0c\u5e76\u63d0\u4f9b\u5b9e\u6218\u6848\u4f8b\uff0c\u5e2e\u52a9\u4f60\u638c\u63e1\u8fd9\u95e8\u8bed\u8a00\u3002<\/p>\n<p><strong>\u8bed\u6cd5\u57fa\u7840<\/strong><\/p>\n<p>\u6b63\u5219\u8868\u8fbe\u5f0f\u7531\u7279\u6b8a\u5b57\u7b26\u548c\u91cf\u8bcd\u7ec4\u6210\u3002\u4ee5\u4e0b\u662f\u5e38\u7528\u7684\u7279\u6b8a\u5b57\u7b26\uff1a<\/p>\n<ul>\n<li><code>.<\/code>\uff1a\u5339\u914d\u4efb\u4f55\u5b57\u7b26<\/li>\n<li><code>^<\/code>\uff1a\u5339\u914d\u5b57\u7b26\u4e32\u5f00\u5934<\/li>\n<li><code>$<\/code>\uff1a\u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u5c3e<\/li>\n<li><code>+<\/code>\uff1a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u524d\u4e00\u4e2a\u5b57\u7b26<\/li>\n<li><code>*<\/code>\uff1a\u5339\u914d\u96f6\u4e2a\u6216\u591a\u4e2a\u524d\u4e00\u4e2a\u5b57\u7b26<\/li>\n<li><code>?<\/code>\uff1a\u5339\u914d\u96f6\u4e2a\u6216\u4e00\u4e2a\u524d\u4e00\u4e2a\u5b57\u7b26<\/li>\n<\/ul>\n<p><strong>\u91cf\u8bcd\uff1a<\/strong><\/p>\n<ul>\n<li><code>\\d<\/code>\uff1a\u5339\u914d\u6570\u5b57<\/li>\n<li><code>\\s<\/code>\uff1a\u5339\u914d\u7a7a\u767d\u5b57\u7b26<\/li>\n<li><code>\\w<\/code>\uff1a\u5339\u914d\u5b57\u6bcd\u3001\u6570\u5b57\u6216\u4e0b\u5212\u7ebf<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u6848\u4f8b 1\uff1a\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740<\/strong><\/p>\n<p><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/strong><\/p>\n<pre>\/^[\\w\\.-]+@[\\w\\.-]+\\.\\w{2,5}$\/<\/pre>\n<p><strong>\u6848\u4f8b 2\uff1a\u63d0\u53d6 HTML \u6807\u7b7e\u4e2d\u7684\u6587\u672c<\/strong><\/p>\n<p><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/strong><\/p>\n<pre>\/&lt;[^&gt;]+&gt;(.*?)&lt;\\\/[^&gt;]+&gt;\/s<\/pre>\n<p><strong>\u6848\u4f8b 3\uff1a\u66ff\u6362\u6587\u672c\u4e2d\u7684\u6240\u6709\u6570\u5b57\u4e3a\u6587\u672c<\/strong><\/p>\n<p><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/strong><\/p>\n<pre>\/(\\d+)\/<\/pre>\n<p><strong>\u66ff\u6362\u6587\u672c\uff1a<\/strong><\/p>\n<pre>\"number\"<\/pre>\n<p><strong>\u4f7f\u7528 PHP \u51fd\u6570\uff1a<\/strong><\/p>\n<pre>&lt;?php\n$email = \"example@domain.com\";\n\n\/\/ \u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\nif (preg_match('\/^[\\w\\.-]+@[\\w\\.-]+\\.\\w{2,5}$\/', $email)) {\n  echo \"Email address is valid\";\n} else {\n  echo \"Email address is invalid\";\n}\n\n\/\/ \u83b7\u53d6 HTML \u6807\u7b7e\u4e4b\u95f4\u7684\u6587\u672c\n$html = \"&lt;p&gt;This is a paragraph.&lt;\/p&gt;\";\npreg_match('\/&lt;p&gt;(.*?)&lt;\\\/p&gt;\/', $html, $matches);\necho $matches[1]; \/\/ This is a paragraph.\n\n\/\/ \u66ff\u6362\u6570\u5b57\u4e3a\u6587\u672c\n$text = \"There are 10 days left.\";\n$replaced = preg_replace('\/(\\d+)\/', \"number\", $text);\necho $replaced; \/\/ There are number days left.\n?&gt;<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u7406\u89e3\u6b63\u5219\u8868\u8fbe\u5f0f\u8bed\u6cd5\u548c\u8fd0\u7528\u5b9e\u6218\u6848\u4f8b\uff0c\u4f60\u5c06\u80fd\u591f\u5728 PHP \u4e2d\u6709\u6548\u5730\u5904\u7406\u6587\u672c\u64cd\u4f5c\u4efb\u52a1\u3002\u7ee7\u7eed\u7ec3\u4e60\u548c\u63a2\u7d22\u66f4\u591a\u590d\u6742\u7684\u4f7f\u7528\u573a\u666f\uff0c\u4ee5\u63d0\u5347\u4f60\u7684\u6280\u80fd\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357 \u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357\u300b\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u6559\u7a0b\u63d0\u4f9b\u7406\u8bba\u4e0e\u5b9e\u8df5\uff0c\u5e2e\u52a9\u638c\u63e1\u6587\u672c\u5904\u7406\u3002\u8bed\u6cd5\u5305\u62ec\u7279\u6b8a\u5b57\u7b26\uff08.\u3001^\u3001$\u7b49\uff09\u548c\u91cf\u8bcd\uff08\\d\u3001\\s\u3001\\w\u7b49\uff09\u3002\u5b9e\u6218\u6848\u4f8b\u5305\u62ec\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3001\u63d0\u53d6 HTML \u6587\u672c\u548c\u66ff\u6362\u6570\u5b57\u4e3a\u6587\u672c\u3002\u4f7f\u7528 PHP \u51fd\u6570\u5982 preg_match() \u548c preg_replace() \u8fdb\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3001\u63d0\u53d6 HTML \u6587\u672c\u548c\u66ff\u6362\u6570\u5b57\u4e3a\u6587\u672c\u3002 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u901a\uff1a\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u7684\u6307\u5357 \u7b80\u4ecb \u6b63\u5219\u8868\u8fbe\u5f0f (Regex) \u662f\u4e00\u79cd\u7528\u4e8e\u5339\u914d\u548c\u64cd\u4f5c\u6587\u672c\u7684\u5f3a\u5927\u5de5\u5177\u3002\u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 preg_match() \u548c preg_replace() \u7b49\u51fd\u6570\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u672c\u6307\u5357\u5c06\u5e26\u4f60\u6df1\u5165\u4e86\u89e3 PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7406\u8bba\u548c\u5b9e\u8df5\uff0c\u5e76\u63d0\u4f9b\u5b9e\u6218\u6848\u4f8b\uff0c\u5e2e\u52a9\u4f60\u638c\u63e1\u8fd9\u95e8\u8bed\u8a00\u3002 \u8bed\u6cd5\u57fa\u7840 \u6b63\u5219\u8868\u8fbe\u5f0f\u7531\u7279\u6b8a\u5b57\u7b26\u548c\u91cf\u8bcd\u7ec4\u6210\u3002\u4ee5\u4e0b\u662f\u5e38\u7528\u7684\u7279\u6b8a\u5b57\u7b26\uff1a .\uff1a\u5339\u914d\u4efb\u4f55\u5b57\u7b26 ^\uff1a\u5339\u914d\u5b57\u7b26\u4e32\u5f00\u5934 $\uff1a\u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u5c3e +\uff1a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u524d\u4e00\u4e2a\u5b57\u7b26 *\uff1a\u5339\u914d\u96f6\u4e2a\u6216\u591a\u4e2a\u524d\u4e00\u4e2a\u5b57\u7b26 ?\uff1a\u5339\u914d\u96f6\u4e2a\u6216\u4e00\u4e2a\u524d\u4e00\u4e2a\u5b57\u7b26 \u91cf\u8bcd\uff1a \\d\uff1a\u5339\u914d\u6570\u5b57 \\s\uff1a\u5339\u914d\u7a7a\u767d\u5b57\u7b26 \\w\uff1a\u5339\u914d\u5b57\u6bcd\u3001\u6570\u5b57\u6216\u4e0b\u5212\u7ebf \u5b9e\u6218\u6848\u4f8b\uff1a \u6848\u4f8b 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[&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-47327","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47327","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=47327"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47327\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}