PHP truncates headers and is compatible with utf8 and gb2312 encoding_PHP tutorial

Copy code The code is as follows:

45){$str =utf8Substr($r[title],0,15)."...";}else{$str=$r[title];}echo $str; ?>
//Intercept utf8 string
function utf8Substr($str, $from, $len)
{
return preg_replace('#^(?:[x00-x7F]|[xC0-xFF][x80-xBF]+){0 ,'.$from.'}'.
'((?:[x00-x7F]|[xC0-xFF][x80-xBF]+){0,'.$len.'}).*# s',
'$1',$str);
}

http://www.bkjia.com/PHPjc/313607.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/313607.htmlTechArticleCopy the code as follows: ?php if(strlen($r[title])45){$str=utf8Substr ($r[title],0,15)."...";}else{$str=$r[title];}echo $str; ? //Intercept utf8 string function utf8Substr($str, $fr ...