{"id":30800,"date":"2023-05-01T14:04:46","date_gmt":"2022-12-20T12:23:36","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87php%e8%8e%b7%e5%8f%96ogp%e3%80%82\/"},"modified":"2025-08-12T20:52:56","modified_gmt":"2025-08-12T12:52:56","slug":"%e9%80%9a%e8%bf%87php%e8%8e%b7%e5%8f%96ogp%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87php%e8%8e%b7%e5%8f%96ogp%e3%80%82\/","title":{"rendered":"\u901a\u8fc7PHP\u83b7\u53d6OGP"},"content":{"rendered":"<p>\u6216\u8bb8\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u4e0b\u9762\u63d0\u5230\u7684OGP\u5e93\uff0c\u4f1a\u66f4\u597d\u4e00\u4e9b\u3002<\/p>\n<p>\u5728Qiita\u4e0a\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u68c0\u67e5OGP\u7684\u68c0\u67e5\u5668<\/p>\n<p>\u7531\u4e8e\u7ecf\u5e38\u4f7f\u7528\uff0c\u6240\u4ee5\u505a\u5907\u5fd8\u5f55<br \/>\ncurl\u793a\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$title<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nv\">$ch<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">curl_init<\/span><span class=\"p\">(<\/span><span class=\"nv\">$url<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/ url\u306f\u5bfe\u8c61\u306e\u30da\u30fc\u30b8<\/span>\r\n<span class=\"nb\">curl_setopt<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">,<\/span> <span class=\"no\">CURLOPT_HEADER<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nb\">curl_setopt<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">,<\/span> <span class=\"no\">CURLOPT_RETURNTRANSFER<\/span><span class=\"p\">,<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/ exec\u6642\u306b\u51fa\u529b\u3055\u305b\u306a\u3044<\/span>\r\n<span class=\"nb\">curl_setopt<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">,<\/span> <span class=\"no\">CURLOPT_FOLLOWLOCATION<\/span><span class=\"p\">,<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/ \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u8a31\u53ef<\/span>\r\n<span class=\"nb\">curl_setopt<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">,<\/span> <span class=\"no\">CURLOPT_MAXREDIRS<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/ \u6700\u5927\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6570<\/span>\r\n<span class=\"nv\">$html<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">curl_exec<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$status_code<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">curl_getinfo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">,<\/span> <span class=\"no\">CURLINFO_HTTP_CODE<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nb\">curl_close<\/span><span class=\"p\">(<\/span><span class=\"nv\">$ch<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u3053\u3053\u3067html\u306efalse\u30c1\u30a7\u30c3\u30af\u3084\u7a7a\u30c1\u30a7\u30c3\u30af\u3084\u30d0\u30a4\u30ca\u30ea\u30c1\u30a7\u30c3\u30af\u3084\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u30c1\u30a7\u30c3\u30af<\/span>\r\n<span class=\"c1\">\/\/ \u7a7a\u304c\u6765\u308b\u3068simplexml_import_dom\u3067Invalid Nodetype to import\u306e\u30a8\u30e9\u30fc<\/span>\r\n\r\n<span class=\"nv\">$dom_document<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"err\">\\<\/span><span class=\"nf\">DOMDocument<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nv\">$from_encoding<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">mb_detect_encoding<\/span><span class=\"p\">(<\/span><span class=\"nv\">$html<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'ASCII'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'ISO-2022-JP'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'UTF-8'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'EUC-JP'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'SJIS'<\/span><span class=\"p\">],<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span> <span class=\"o\">!<\/span> <span class=\"nv\">$from_encoding<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$from_encoding<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'SJIS'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"o\">@<\/span><span class=\"nv\">$dom_document<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">loadHTML<\/span><span class=\"p\">(<\/span><span class=\"nb\">mb_convert_encoding<\/span><span class=\"p\">(<\/span><span class=\"nv\">$html<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'HTML-ENTITIES'<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$from_encoding<\/span><span class=\"p\">));<\/span>\r\n<span class=\"nv\">$xml_object<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">simplexml_import_dom<\/span><span class=\"p\">(<\/span><span class=\"nv\">$dom_document<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nv\">$og_title_xpath<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$xml_object<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">xpath<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\/\/meta[@property=\"og:title\"]\/@content'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$title_xpath<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$xml_object<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">xpath<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\/\/title'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span> <span class=\"o\">!<\/span> <span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$og_title_xpath<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$title<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"n\">string<\/span><span class=\"p\">)<\/span><span class=\"nv\">$og_title_xpath<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">];<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$title<\/span> <span class=\"o\">===<\/span> <span class=\"s1\">''<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$title<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"n\">string<\/span><span class=\"p\">)<\/span><span class=\"nv\">$title_xpath<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">];<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528PHP\u8fdb\u884c\u7f51\u7edc\u722c\u866b<br \/>\nPHP\u4e2d\u5b89\u5168\u53ef\u9760\u7684\u7f16\u7801\u68c0\u6d4b\u65b9\u6cd5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6216\u8bb8\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u4e0b\u9762\u63d0\u5230\u7684OGP\u5e93\uff0c\u4f1a\u66f4\u597d\u4e00\u4e9b\u3002 \u5728Qiita\u4e0a\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u68c0\u67e5OGP\u7684\u68c0\u67e5\u5668 \u7531\u4e8e\u7ecf\u5e38\u4f7f\u7528\uff0c [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30800","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site 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