本文章来给大家介绍关于php正则获取关键字、标题、网页描述代码，有需要了解的同学可进入参考。
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获取关键字
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$headdata = $regs[1]; preg_match("/"]+)["']?/i", $headdata, $res); if (isset ($res)) { $keywords = $res[1]; } if ($keywords == "") $keywords = "无"; $keywords=replace_word(textcut($keywords,250)); $keywords=str_replace("-",",",$keywords); $keywords=str_replace("，",",",$keywords); $keywords=str_replace(" ",",",$keywords); $keywords=str_replace("|",",",$keywords); $keywords=str_replace("、",",",$keywords); $keywords=str_replace(",,",",",$keywords); $keywords=str_replace(" $keywords=str_replace(">","",$keywords); return addslashes(trim($keywords)); } |
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获取标题
云枫工作室企业网站源代码(.net)4.0
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云枫工作室企业网站源代码(.net)Version 4.0 是云枫工作室基于.net环境独立开发的一套适用于企业使用的企业网站系统。.net+access.网站使用了模板动态生成静态页面技术，前台页面是生成纯静态的。网站包括了信息管理，产品管理，新闻管理和在线留言。可以在后台设置网站名称，标题，关键字和网站描述。配置说明：服务器空间需要支持.net2.0,还要有可写的权限（这个是必要的，因为网站前
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function get_title($html) //if ($title == "") $title = "无标题"; if ($title) $title=replace_word(textcut($title,80)); if ($title) $title=preg_replace("//","",$title); return addslashes(trim($title)); } |
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获取网页描述description
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function get_description($html) $headdata = $regs[1]; preg_match("/"]+)["']?/i", $headdata, $res); if (isset ($res)) { $description = $res[1]; } if ($description == "") $description = "无"; $description=replace_word(textcut($description,250)); $description=str_replace("-",",",$description); $description=str_replace("，",",",$description); $description=str_replace(" ",",",$description); $description=str_replace("|",",",$description); $description=str_replace("、",",",$description); $description=str_replace(",,",",",$description); $description=str_replace(" $description=str_replace(">","",$description); return addslashes(trim($description)); } |
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