{"id":47162,"date":"2024-12-02T13:52:15","date_gmt":"2024-12-02T05:52:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47162\/"},"modified":"2024-12-02T13:52:15","modified_gmt":"2024-12-02T05:52:15","slug":"php%e5%87%bd%e6%95%b0%e9%ab%98%e6%95%88%e4%bd%bf%e7%94%a8%e5%ae%9e%e6%88%98%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47162\/","title":{"rendered":"php\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aphp\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n<p>PHP\u51fd\u6570\u6280\u5de7\uff1a\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f\u6570\u7ec4\uff1a\u4f7f\u7528\u6548\u7387\u66f4\u9ad8\u7684asort()\u51fd\u6570\u3002\u8f6c\u6362HTML\u5b57\u7b26\uff1a\u4f7f\u7528htmlspecialchars()\u51fd\u6570\u9632\u6b62\u811a\u672c\u6f0f\u6d1e\u3002\u68c0\u67e5\u6570\u7ec4\u952e\uff1a\u4f7f\u7528array_key_exists()\u51fd\u6570\u68c0\u67e5\u7279\u5b9a\u952e\u662f\u5426\u5b58\u5728\u3002\u67e5\u627e\u5b57\u7b26\u4e32\u5339\u914d\u9879\uff1a\u4f7f\u7528preg_match()\u51fd\u6570\u63d0\u9ad8\u67e5\u627e\u6548\u7387\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729902160671c365072cf0.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790\u63d2\u56fe\" alt=\"php\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u7684\u5de7\u5999\u7528\u6cd5<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u51fd\u6570\u5e93\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002\u638c\u63e1\u8fd9\u4e9b\u51fd\u6570\u7684\u5de7\u5999\u7528\u6cd5\uff0c\u80fd\u8ba9\u4f60\u5199\u51fa\u7b80\u6d01\u9ad8\u6548\u7684\u4ee3\u7801\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b 1\uff1a\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f\u6570\u7ec4<\/strong><\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528 <code>sort()<\/code> \u51fd\u6570\u6392\u5e8f\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>$names = ['John', 'Mary', 'Alice', 'Bob'];\nsort($names);<\/pre>\n<p>\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\u6765\u8bf4\uff0c<code>sort()<\/code> \u51fd\u6570\u6548\u7387\u4f4e\u4e0b\u3002\u4e00\u79cd\u66f4\u6709\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>asort()<\/code> \u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>asort($names);<\/pre>\n<p><code>asort()<\/code> \u51fd\u6570\u4f1a\u6839\u636e\u503c\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u4ece\u800c\u907f\u514d\u4e86\u952e\u503c\u8f6c\u6362\u5e26\u6765\u7684\u989d\u5916\u5f00\u9500\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b 2\uff1a\u5c06 HTML \u5b57\u7b26\u8f6c\u6362\u4e3a\u5b9e\u4f53<\/strong><\/p>\n<p>\u5f53\u5c06 HTML \u5b57\u7b26\u5d4c\u5165\u5230\u6587\u672c\u4e2d\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u5b57\u7b26\u8f6c\u6362\u4ee5\u9632\u6b62\u811a\u672c\u6f0f\u6d1e\u3002\u53ef\u4ee5\u4f7f\u7528 <code>htmlspecialchars()<\/code> \u51fd\u6570\u6765\u5b8c\u6210\u6b64\u64cd\u4f5c\uff1a<\/p>\n<pre>$input = \"&lt;script&gt;alert('Hello, world!');&lt;\/script&gt;\";\n$output = htmlspecialchars($input);<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b 3\uff1a\u68c0\u67e5\u6570\u7ec4\u662f\u5426\u5305\u542b\u7279\u5b9a\u952e<\/strong><\/p>\n<p><code>in_array()<\/code> \u51fd\u6570\u53ef\u4ee5\u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u503c\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u6570\u7ec4\u6765\u8bf4\uff0c\u6b64\u51fd\u6570\u6548\u7387\u4f4e\u4e0b\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>array_key_exists()<\/code> \u51fd\u6570\u6765\u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u952e\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>$key = 'name';\n$array = ['age' =&gt; 25, 'name' =&gt; 'John'];\n\nif (array_key_exists($key, $array)) {\n  echo \"Key exists!\";\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b 4\uff1a\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5339\u914d\u9879<\/strong><\/p>\n<p><code>strpos()<\/code> \u51fd\u6570\u53ef\u4ee5\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5339\u914d\u9879\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u5b57\u7b26\u4e32\u6765\u8bf4\uff0c\u6b64\u51fd\u6570\u6548\u7387\u4f4e\u4e0b\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>preg_match()<\/code> \u51fd\u6570\u6765\u63d0\u9ad8\u67e5\u627e\u6548\u7387\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>$string = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';\n$pattern = '\/amet\/';\n\nif (preg_match($pattern, $string)) {\n  echo \"Match found!\";\n}<\/pre>\n<p>\u638c\u63e1\u8fd9\u4e9b\u5de7\u5999\u7684\u51fd\u6570\u7528\u6cd5\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8 PHP \u4ee3\u7801\u7684\u6548\u7387\u548c\u7b80\u6d01\u6027\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aphp\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790\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\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790 \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aphp\u51fd\u6570\u9ad8\u6548\u4f7f\u7528\u5b9e\u6218\u89e3\u6790\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ PHP\u51fd\u6570\u6280\u5de7\uff1a\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f\u6570\u7ec4\uff1a\u4f7f\u7528\u6548\u7387\u66f4\u9ad8\u7684asort()\u51fd\u6570\u3002\u8f6c\u6362HTML\u5b57\u7b26\uff1a\u4f7f\u7528htmlspecialchars()\u51fd\u6570\u9632\u6b62\u811a\u672c\u6f0f\u6d1e\u3002\u68c0\u67e5\u6570\u7ec4\u952e\uff1a\u4f7f\u7528array_key_exists()\u51fd\u6570\u68c0\u67e5\u7279\u5b9a\u952e\u662f\u5426\u5b58\u5728\u3002\u67e5\u627e\u5b57\u7b26\u4e32\u5339\u914d\u9879\uff1a\u4f7f\u7528preg_match()\u51fd\u6570\u63d0\u9ad8\u67e5\u627e\u6548\u7387\u3002 PHP \u51fd\u6570\u7684\u5de7\u5999\u7528\u6cd5 \u7b80\u4ecb PHP \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u51fd\u6570\u5e93\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002\u638c\u63e1\u8fd9\u4e9b\u51fd\u6570\u7684\u5de7\u5999\u7528\u6cd5\uff0c\u80fd\u8ba9\u4f60\u5199\u51fa\u7b80\u6d01\u9ad8\u6548\u7684\u4ee3\u7801\u3002 \u5b9e\u6218\u6848\u4f8b 1\uff1a\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f\u6570\u7ec4 \u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528 sort() \u51fd\u6570\u6392\u5e8f\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a $names = [&#8216;John&#8217;, &#8216;Mary&#8217;, &#8216;Alice&#8217;, &#8216;Bob&#8217;]; sort($names); \u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\u6765\u8bf4\uff0csort() \u51fd\u6570\u6548\u7387\u4f4e\u4e0b\u3002\u4e00\u79cd\u66f4\u6709\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 asort() \u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a asort($names); asort() \u51fd\u6570\u4f1a\u6839\u636e\u503c\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u4ece\u800c\u907f\u514d\u4e86\u952e\u503c\u8f6c\u6362\u5e26\u6765\u7684\u989d\u5916\u5f00\u9500\u3002 \u5b9e\u6218\u6848\u4f8b 2\uff1a\u5c06 HTML \u5b57\u7b26\u8f6c\u6362\u4e3a\u5b9e\u4f53 \u5f53\u5c06 HTML \u5b57\u7b26\u5d4c\u5165\u5230\u6587\u672c\u4e2d\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u5b57\u7b26\u8f6c\u6362\u4ee5\u9632\u6b62\u811a\u672c\u6f0f\u6d1e\u3002\u53ef\u4ee5\u4f7f\u7528 htmlspecialchars() \u51fd\u6570\u6765\u5b8c\u6210\u6b64\u64cd\u4f5c\uff1a $input = &#8220;&lt;script&gt;alert(&#8216;Hello, world!&#8217;);&lt;\/script&gt;&#8221;; $output = htmlspecialchars($input); \u5b9e\u6218\u6848\u4f8b 3\uff1a\u68c0\u67e5\u6570\u7ec4\u662f\u5426\u5305\u542b\u7279\u5b9a\u952e in_array() \u51fd\u6570\u53ef\u4ee5\u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u503c\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u6570\u7ec4\u6765\u8bf4\uff0c\u6b64\u51fd\u6570\u6548\u7387\u4f4e\u4e0b\u3002 \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 array_key_exists() \u51fd\u6570\u6765\u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u952e\uff0c\u5982\u4e0b\u6240\u793a\uff1a $key = &#8216;name&#8217;; $array = [&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-47162","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47162","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=47162"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47162\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}