PHP截断标题且兼容utf8和gb2312编码
发布时间：2016-12-29 来源：查字典编辑
摘要：复制代码代码如下://截取utf8字符串functionutf8Substr($str,$from,$len){returnpreg_rep...
复制代码 代码如下:
<?php if(strlen($r[title])>45){$str=utf8Substr($r[title],0,15)."...";}else{$str=$r[title];}echo $str; ?>
//截取utf8字符串
function utf8Substr($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);
}