{"id":202400,"date":"2025-05-13T08:41:16","date_gmt":"2025-05-13T00:41:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202400\/"},"modified":"2025-05-13T08:41:16","modified_gmt":"2025-05-13T00:41:16","slug":"php-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e4%b8%8e%e6%95%b0%e7%bb%84%e6%93%8d%e4%bd%9c%e7%9a%84%e6%97%a0%e7%bc%9d%e7%bb%93%e5%90%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202400\/","title":{"rendered":"PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u7684\u65e0\u7f1d\u7ed3\u5408"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u7684\u65e0\u7f1d\u7ed3\u5408<\/h1>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aPHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u7684\u65e0\u7f1d\u7ed3\u5408\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u5c06\u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u76f8\u7ed3\u5408\u53ef\u4ee5\u7b80\u5316\u6570\u636e\u5904\u7406\u4efb\u52a1\uff1a\u5339\u914d\u6570\u7ec4\u5143\u7d20\u5185\u5bb9\uff08\u4f7f\u7528 preg_grep\uff09\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u6570\u636e\uff08\u4f7f\u7528 preg_match_all\uff09\u9a8c\u8bc1\u6570\u7ec4\u6570\u636e\u683c\u5f0f\uff08\u4f7f\u7528 preg_filter\uff09\u66ff\u6362\u6570\u7ec4\u5143\u7d20\uff08\u4f7f\u7528 preg_replace\uff09<\/p>\n

<\/p>\n

PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u7684\u65e0\u7f1d\u7ed3\u5408<\/h2>\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u6570\u7ec4\u662f PHP \u4e2d\u529f\u80fd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5de7\u5999\u5730\u7ed3\u5408\u5b83\u4eec\u53ef\u4ee5\u6781\u5927\u5730\u7b80\u5316\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002\u672c\u6587\u5c06\u63a2\u7d22\u5c06\u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u76f8\u7ed3\u5408\u7684\u6709\u6548\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u6709\u7528\u7684\u5b9e\u6218\u6848\u4f8b\u3002<\/p>\n

\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6570\u7ec4\u5143\u7d20<\/h3>\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u8868\u8fbe\u5f0f\u53ef\u7528\u4e8e\u5339\u914d\u6570\u7ec4\u5143\u7d20\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u627e\u4ee5 “p” \u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff1a<\/p>\n

$arr = ['apple', 'banana', 'pear', 'plum'];\n\n$pattern = '\/^p.*\/';\n\n$matches = preg_grep($pattern, $arr);\n\nprint_r($matches);\n\/\/ \u8f93\u51fa\uff1a\n\/\/ Array\n\/\/ (\n\/\/     [0] => apple\n\/\/     [1] => pear\n\/\/     [2] => plum\n\/\/ )<\/pre>\n
\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u6570\u7ec4\u5143\u7d20<\/h3>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u8fd8\u53ef\u4ee5\u7528\u6765\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u548c\u89e3\u6790\u6570\u636e\u3002\u8fd9\u5728\u5904\u7406\u65e5\u5fd7\u6587\u4ef6\u3001\u914d\u7f6e\u6587\u4ef6\u548c HTML \u6587\u6863\u7b49\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u6570\u5b57\uff1a<\/p>\n
$str = 'apple 1 banana 2 pear 3 plum 4';\n\n$pattern = '\/(\\d+)\/';\n\n$matches = [];\npreg_match_all($pattern, $str, $matches);\n\n$numbers = $matches[1];\n\nprint_r($numbers);\n\/\/ \u8f93\u51fa\uff1a\n\/\/ Array\n\/\/ (\n\/\/     [0] => 1\n\/\/     [1] => 2\n\/\/     [2] => 3\n\/\/     [3] => 4\n\/\/ )<\/pre>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u6570\u7ec4\u6570\u636e<\/h3>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u975e\u5e38\u9002\u5408\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u662f\u5426\u7b26\u5408\u7279\u5b9a\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff1a<\/p>\n
$arr = ['john.doe@example.com', 'invalid_address', 'example@example.com'];\n\n$pattern = '\/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,4}$\/';\n\n$valid = preg_filter($pattern, '?', $arr);\n\nprint_r($valid);\n\/\/ \u8f93\u51fa\uff1a\n\/\/ Array\n\/\/ (\n\/\/     [0] => john.doe@example.com\n\/\/     [2] => example@example.com\n\/\/ )<\/pre>\n
\u66ff\u6362\u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/h3>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u7528\u4e8e\u4f7f\u7528\u66ff\u6362\u51fd\u6570\u66ff\u6362\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4ee5\u4e0b\u4ee3\u7801\u7528\u5927\u5199\u5b57\u6bcd\u66ff\u6362\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\uff1a<\/p>\n
$arr = ['apple', 'banana', 'pear', 'plum'];\n\n$pattern = '\/[a-z]+\/';\n\n$arr = preg_replace($pattern, strtoupper($0), $arr);\n\nprint_r($arr);\n\/\/ \u8f93\u51fa\uff1a\n\/\/ Array\n\/\/ (\n\/\/     [0] => APPLE\n\/\/     [1] => BANANA\n\/\/     [2] => PEAR\n\/\/     [3] => PLUM\n\/\/ )<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300aPHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u7684\u65e0\u7f1d\u7ed3\u5408\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6570\u7ec4\u64cd\u4f5c\u7684\u65e0...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202400","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202400"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202400\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}