php gb2312怎么转换为utf8？
PHP gb2312页面 转换为utf8页面?
<?php
$url="upload/chengyu/gb2312.html";
//echo $url;exit;
$html=file_get_contents($url);
$html = preg_replace('/charset=gb2312/', 'charset=UTF8', $html);
//$enc = mb_detect_encoding($html);
$html = iconv('gbk', 'utf-8', $html);
print_R($html);exit;
?>参考
https://php.net/manual/en/function.iconv.php
https://www.php.net/manual/en/function.preg-replace.php