Two php interception string function

Source: Internet
Author: User
Keywords Network programming PHP tutorial
Tags content dot function html network network programming php php tutorial

Provide two php tutorial interception string function, they can automatically identify the Chinese Oh, if you are intercepting the article this is very good, like to come in and see it.

<? php
header ("content-type: text / html; charset = utf-8");

function strcut ($ string, $ length, $ dot = '...', $ charset = 'utf-8')
{

$ strlen = strlen ($ string);

if ($ strlen <= $ length) return $ string;

$ strcut = '';

if (strtolower ($ charset) == 'utf-8')

{

$ n = $ tn = $ noc = 0;

while ($ n <$ strlen)

{

$ t = ord ($ string [$ n]);

if ($ t == 9 || $ t == 10 || (32 <= $ t && $ t <= 126)) {

$ tn = 1; $ n ++; $ noc ++;

} elseif (194 <= $ t && $ t <= 223) {

$ tn = 2; $ n + = 2; $ noc + = 2;

} elseif (224 <= $ t && $ t <= 239) {

$ tn = 3; $ n + = 3; $ noc + = 3;

} elseif (240 <= $ t && $ t <= 247) {

$ tn = 4; $ n + = 4; $ noc + = 4;

} elseif (248 <= $ t && $ t <= 251) {

$ tn = 5; $ n + = 5; $ noc + = 5;
} elseif ($ t == 252 || $ t == 253)
{
$ tn = 6; $ n + = 6; $ noc + = 6;
}
else
{

$ n ++;

}
if ($ noc> = $ length) break;
}
if ($ noc> $ length) $ n - = $ tn;
$ strcut = substr ($ string, 0, $ n);

}
else
{
$ dotlen = strlen ($ dot);
$ maxi = $ length - $ dotlen - 1;

for ($ i = 0; $ i <$ maxi; $ i ++)
{
$ strcut. = ord ($ string [$ i])> 127? $ string [$ i]. $ string [++ $ i]: $ string [$ i];
}
}
var_dump ($ strcut);
return $ strcut;
}
echo "jjjkkklll";
echo strcut ("to kk to kk to kk to kkklllllllllllmmmmmmmmmmmmmmm to Dongyang", 12)

Character interception function two

function splitstr ($ str, $ len) {
if ($ len <= 0) {
return false;
}
else {
$ slen = strlen ($ str);
if ($ len> = $ slen)
return $ str;
else {
for ($ i = 0; $ i <($ len-1); $ i ++) {
if (ord (substr ($ str, $ i, 1))> 0xa0)
$ i ++;
}
if ($ i> = $ len)
return substr ($ str, 0, $ len);
elseif (ord (substr ($ str, $ i, 1))> 0xa0)
return substr ($ str, 0, $ len-1);
else
return substr ($ str, 0, $ len);
}
}
}

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.