Take the string and use php to intercept the Chinese string-PHP source code

Php does not support Chinese very well. It is a problem to intercept Chinese and English characters in a string, and garbled characters may occur if the string is not properly processed, next we can take the Chinese character string function and handle it well. Php does not support Chinese very well. It is a problem to intercept Chinese and English characters in a string, and garbled characters may occur if the string is not properly processed, next we can take the Chinese character string function and handle it well.

Script ec (2); script

Function MooCutstr ($ string, $ length, $ dot = '...'){
Global $ charset;

If (strlen ($ string) <= $ length ){
Return $ string;
}
$ String = str_replace (array ('&', '"', '<', '>'), array ('&', '"', '<', '>'), $ string );
$ Strcut = '';
If (strtolower ($ charset) = 'utf-8 '){
$ N = $ tn = $ noc = 0;
While ($ n <strlen ($ string )){
$ 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 + = 2;
} Elseif (240 <=$ t & $ t <= 247 ){
$ Tn = 4; $ n + = 4; $ noc + = 2;
} Elseif (248 <=$ t & $ t <= 251 ){
$ Tn = 5; $ n + = 5; $ noc + = 2;
} Elseif ($ t = 252 | $ t = 253 ){
$ Tn = 6; $ n + = 6; $ noc + = 2;
} Else {
$ N ++;
}
If ($ noc >=$ length ){
Break;
}
}
If ($ noc> $ length ){
$ N-= $ tn;
}
$ Strcut = substr ($ string, 0, $ n );
} Else {
For ($ I = 0; $ I <$ length; $ I ++ ){
$ Strcut. = ord ($ string [$ I]) & gt; 127? $ String [$ I]. $ string [++ $ I]: $ string [$ I];
}
}
$ Strcut = str_replace (array ('&', '"', '<', '>'), array ('&', '"', '<', '>'), $ strcut );

Return $ strcut. $ dot;
}