一、中文截取:mb_substr() mb_substr( $str, $start, $length, $encoding )
$str,需要截断的字符串
$start,截断开始处,起始处为0
$length,要截取的字数
$encoding,网页编码,如utf-8,GB2312,GBK
实例:
$str='脚本之家:http://www.jb51.net';
echo mb_substr($str,0,4,'utf-8');//截取头5个字,假定此代码所在php文件的编码为utf-8
?>
结果显示:脚本之家
二、获取中文长度:mb_strlen() mb_strlen( $str, $encoding )
$str,要计算长度的字符串
$encoding,网页编码,如utf-8,GB2312,GBK
实例:
$str='脚本之家:http://www.jb51.net';
echo mb_strlen($str,'utf-8');//假定此代码所在php文件的编码为utf-8
?>
结果显示:24
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