对
支持多编码字符串
截取PHP函数感兴趣的小伙伴,下面一起跟随编程之家 jb51.cc的小编两巴掌来看看吧!
/**
* 支持多编码字符串截取PHP函数
*
* @param
* @author 网: jb51.cc
**/
function cutstr($str,$start=0,$length,$charset=utf-8,$suffix=)
{
if(function_exists(mb_substr)){
return mb_substr($str,$start,$charset).$suffix;
}
elseif(function_exists('iconv_substr')){
return iconv_substr($str,$charset).$suffix;
}
$re['utf-8'] = /[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/;
$re['gb2312'] = /[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/;
$re['gbk'] = /[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/;
$re['big5'] = /[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/;
preg_match_all($re[$charset],$str,$match);
$slice = join(,array_slice($match[0],$length));
return $slice.$suffix;
}
/*** 来自编程之家 jb51.cc(jb51.cc) ***/