{"id":47220,"date":"2024-12-02T14:33:58","date_gmt":"2024-12-02T06:33:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47220\/"},"modified":"2024-12-02T14:33:58","modified_gmt":"2024-12-02T06:33:58","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8-php-%e5%86%85%e7%bd%ae%e5%87%bd%e6%95%b0%e5%ba%93%e4%bc%98%e5%8c%96%e4%bb%a3%e7%a0%81%e6%80%a7%e8%83%bd%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47220\/","title":{"rendered":"\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f<\/h1>\n<p><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n<p>PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\u65b9\u6cd5\uff1a\u4f7f\u7528 strlen() \u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u6bd4 count() \u66f4\u9ad8\u6548\u3002\u4f7f\u7528 strpos() \u67e5\u627e\u5b50\u4e32\u4f4d\u7f6e\uff0c\u6bd4\u5faa\u73af\u904d\u5386\u66f4\u5feb\u3002\u4f7f\u7528 in_array() \u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5b58\u5728\u5143\u7d20\uff0c\u6bd4\u904d\u5386\u6570\u7ec4\u66f4\u5feb\u901f\u3002\u4f7f\u7528 array_search() \u83b7\u53d6\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u952e\u503c\uff0c\u6bd4 foreach \u5faa\u73af\u66f4\u6709\u6548\u7387\u3002\u4f7f\u7528 intval() \u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u6bd4\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u66f4\u53ef\u9760\u3002\u4f7f\u7528 strval() \u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u6bd4 (string) \u66f4\u5feb\u6377\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729905286671c42863d9e9.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd<\/strong><\/p>\n<p>\u5728 PHP \u5f00\u53d1\u4e2d\uff0c\u5584\u7528\u5185\u7f6e\u51fd\u6570\u5e93\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u4ee3\u7801\u6027\u80fd\u3002\u8fd9\u4e9b\u51fd\u6570\u7ecf\u8fc7\u4f18\u5316\uff0c\u5728\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u65f6\u6bd4\u81ea\u5b9a\u4e49\u4ee3\u7801\u66f4\u6709\u6548\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u51fd\u6570\u5e76\u63d0\u4f9b\u5b9e\u6218\u793a\u4f8b\u3002<\/p>\n<p><strong>\u5b57\u7b26\u4e32\u64cd\u4f5c<\/strong><\/p>\n<ul>\n<li><strong>strlen()<\/strong>\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u957f\u5ea6\u3002\u6bd4 <code>count()<\/code> \u66f4\u9ad8\u6548\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u957f\u5b57\u7b26\u4e32\u3002<\/li>\n<li><strong>strpos()<\/strong>\uff1a\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u5b50\u4e32\u7684\u4f4d\u7f6e\u3002\u6bd4\u5faa\u73af\u904d\u5386\u66f4\u5feb\uff0c\u5c24\u5176\u5f53\u5b57\u7b26\u4e32\u8f83\u5927\u65f6\u3002<\/li>\n<\/ul>\n<p><strong>\u6570\u7ec4\u64cd\u4f5c<\/strong><\/p>\n<ul>\n<li><strong>in_array()<\/strong>\uff1a\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5728\u6570\u7ec4\u4e2d\u3002\u6bd4\u904d\u5386\u6570\u7ec4\u66f4\u5feb\u3002<\/li>\n<li><strong>array_search()<\/strong>\uff1a\u83b7\u53d6\u6307\u5b9a\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u952e\u3002\u6bd4\u4f7f\u7528 <code>foreach<\/code> \u5faa\u73af\u66f4\u6709\u6548\u3002<\/li>\n<\/ul>\n<p><strong>\u6570\u636e\u8f6c\u6362<\/strong><\/p>\n<ul>\n<li><strong>intval()<\/strong>\uff1a\u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u6bd4\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u66f4\u53ef\u9760\u3002<\/li>\n<li><strong>strval()<\/strong>\uff1a\u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u6bd4 <code>(string)<\/code> \u66f4\u5feb\u6377\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u68c0\u67e5\u8f93\u5165<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528 <code>in_array()<\/code> \u68c0\u67e5\u7528\u6237\u8f93\u5165\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u662f\u5426\u5c5e\u4e8e\u5141\u8bb8\u7684\u57df\uff1a<\/p>\n<pre>$validDomains = ['example.com', 'gmail.com'];\n\nif (in_array($_POST['email'], $validDomains)) {\n    \/\/ \u8f93\u5165\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u6709\u6548\n} else {\n    \/\/ \u8f93\u5165\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u65e0\u6548\n}<\/pre>\n<p>\u8fd9\u4e2a <code>in_array()<\/code> \u51fd\u6570\u6bd4\u4f7f\u7528 <code>foreach<\/code> \u5faa\u73af\u904d\u5386\u6570\u7ec4\u66f4\u6709\u6548\uff0c\u56e0\u4e3a\u540e\u8005\u9700\u8981\u591a\u6b21\u6bd4\u8f83\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u5b57\u7b26\u4e32\u8fde\u63a5<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528 <code>implode()<\/code> \u5c06\u6570\u7ec4\u4e2d\u7684\u5b57\u7b26\u4e32\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre>$names = ['John', 'Jane', 'Michael'];\n\n$fullName = implode(\", \", $names); \/\/ \u8f93\u51fa\uff1aJohn, Jane, Michael<\/pre>\n<p><code>implode()<\/code> \u6bd4\u4f7f\u7528 <code>foreach<\/code> \u5faa\u73af\u9010\u4e2a\u8fde\u63a5\u5b57\u7b26\u4e32\u66f4\u6709\u6548\uff0c\u56e0\u4e3a\u5b83\u4f7f\u7528\u5185\u90e8\u4f18\u5316\u8fc7\u7684\u7b97\u6cd5\u3002<\/p>\n<p>\u901a\u8fc7\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u6027\u80fd\uff0c\u51cf\u5c11\u6267\u884c\u65f6\u95f4\u5e76\u8282\u7701\u8d44\u6e90\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u51fd\u6570\u5e93\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f \u6587\u7ae0\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd\u65b9\u6cd5\uff1a\u4f7f\u7528 strlen() \u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u6bd4 count() \u66f4\u9ad8\u6548\u3002\u4f7f\u7528 strpos() \u67e5\u627e\u5b50\u4e32\u4f4d\u7f6e\uff0c\u6bd4\u5faa\u73af\u904d\u5386\u66f4\u5feb\u3002\u4f7f\u7528 in_array() \u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5b58\u5728\u5143\u7d20\uff0c\u6bd4\u904d\u5386\u6570\u7ec4\u66f4\u5feb\u901f\u3002\u4f7f\u7528 array_search() \u83b7\u53d6\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u952e\u503c\uff0c\u6bd4 foreach \u5faa\u73af\u66f4\u6709\u6548\u7387\u3002\u4f7f\u7528 intval() \u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u6bd4\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u66f4\u53ef\u9760\u3002\u4f7f\u7528 strval() \u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u6bd4 (string) \u66f4\u5feb\u6377\u3002 \u5982\u4f55\u5229\u7528 PHP \u5185\u7f6e\u51fd\u6570\u5e93\u4f18\u5316\u4ee3\u7801\u6027\u80fd \u5728 PHP \u5f00\u53d1\u4e2d\uff0c\u5584\u7528\u5185\u7f6e\u51fd\u6570\u5e93\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u4ee3\u7801\u6027\u80fd\u3002\u8fd9\u4e9b\u51fd\u6570\u7ecf\u8fc7\u4f18\u5316\uff0c\u5728\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u65f6\u6bd4\u81ea\u5b9a\u4e49\u4ee3\u7801\u66f4\u6709\u6548\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u51fd\u6570\u5e76\u63d0\u4f9b\u5b9e\u6218\u793a\u4f8b\u3002 \u5b57\u7b26\u4e32\u64cd\u4f5c strlen()\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u957f\u5ea6\u3002\u6bd4 count() \u66f4\u9ad8\u6548\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u957f\u5b57\u7b26\u4e32\u3002 strpos()\uff1a\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u5b50\u4e32\u7684\u4f4d\u7f6e\u3002\u6bd4\u5faa\u73af\u904d\u5386\u66f4\u5feb\uff0c\u5c24\u5176\u5f53\u5b57\u7b26\u4e32\u8f83\u5927\u65f6\u3002 \u6570\u7ec4\u64cd\u4f5c in_array()\uff1a\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5728\u6570\u7ec4\u4e2d\u3002\u6bd4\u904d\u5386\u6570\u7ec4\u66f4\u5feb\u3002 array_search()\uff1a\u83b7\u53d6\u6307\u5b9a\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u952e\u3002\u6bd4\u4f7f\u7528 foreach \u5faa\u73af\u66f4\u6709\u6548\u3002 \u6570\u636e\u8f6c\u6362 intval()\uff1a\u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u6bd4\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u66f4\u53ef\u9760\u3002 strval()\uff1a\u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u6bd4 (string) \u66f4\u5feb\u6377\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a\u68c0\u67e5\u8f93\u5165 \u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528 in_array() \u68c0\u67e5\u7528\u6237\u8f93\u5165\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u662f\u5426\u5c5e\u4e8e\u5141\u8bb8\u7684\u57df\uff1a $validDomains = [&#8216;example.com&#8217;, &#8216;gmail.com&#8217;]; [&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-47220","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47220","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=47220"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47220\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}