PHP截断标题且兼容utf8和gb2312编码_php技巧
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2022-03-30 08:37:11
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复制代码 代码如下:
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);
}