Home  >  Article  >  Backend Development  >  php 自写函数代码 获取关键字 去超链接_PHP

php 自写函数代码 获取关键字 去超链接_PHP

WBOY
WBOYOriginal
2016-06-01 12:20:10749browse
1.根据权重获取关键字

复制代码 代码如下:
function getkey($contents){
$rows = strip_tags($contents);
$arr = array(' ',' ',"\s", "\r\n", "\n", "\r", "\t", ">", "“", "”");
$qc_rows = str_replace($arr, '', $rows);
if(strlen($qc_rows)>2400){
$qc_rows = substr($qc_rows, '0', '2400');
}
$data = @implode('', file("http://keyword.discuz.com/related_kw.html?title=$contents&ics=gbk&ocs=gbk"));
preg_match_all("/(.*)A\[(.*)\]\](.*)>/",$data, $out, PREG_SET_ORDER);
for($i=0;$i$key=$key.$out[$i][2];
if($out[$i][2])$key=$key.",";
}
return $key;
}
//$contents为你要得到关键字的文章


2.去掉文章中的超链接简单,简洁

复制代码 代码如下:
function get_new_content($content){
include("../simple_html_dom.php");
$html = str_get_html($content);
$a_href = $html->find('a');
foreach($a_href as $link){
$text = $link->plaintext;//链接中的文字;
$link->outertext = $text;
}
$now_content = $html->save();
}
//preg_replace("/(.*?)/i","\${1}", $content); 这样用正则也可以
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn