编程爱好者之家
function clearHtml($string, $sublen) { $qian=array(" "," ","\t","\n","\r","/\n/is","/ | /is","/ /is"); $string = strip_tags($string); $string = str_replace($qian, '', $string); preg_match_all("/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/", $string, $t_string); if(count($t_string[0]) - 0 > $sublen) $string = join('', array_slice($t_string[0], 0, $sublen))."…"; else $string = join('', array_slice($t_string[0], 0, $sublen)); return $string; }