Solve the problem of php collecting garbled

php crawling page garbled code

When crawling the page, there is a garbled code similar to The solution is as follows:

1. Conversion code
 

str=mbconvertencoding(str, “utf-8”, “GBK”);

　　2. When the data is compressed by gzip and

curl to obtain the data, set and add the following options:

curl_setopt($ch, CURLOPT_ENCODING, 'gzip');

　　To use the file_get_contents function, you need to install the zlib library

$data = file_get_contents("compress.zlib://".$url);/* www.zjkweiqi.cn */

　　3. Garbled characters

are displayed after the data is obtained. Add the following code at the top

header("Content-type: text/html; charset=utf-8");