<?php
//判断内容里有没有中文-GBK (PHP)
function
check_is_chinese(
$s
){
return
preg_match(‘/[\x80-\xff]./’,
$s
);
}
//获取字符串长度-GBK (PHP)
function
gb_strlen(
$str
){
$count
= 0;
for
(
$i
=0;
$i
<
strlen
(
$str
);
$i
){
$s
=
substr
(
$str
,
$i
, 1);
if
(preg_match(“/[\x80-\xff]/”,
$s
))
$i
;
$count
;
}
return
$count
;
}
//截取字符串字串-GBK (PHP)
function
gb_substr(
$str
,
$len
){
$count
= 0;