字符串截取函数(支持中英文混体)以前我们截取字符串都会用php自带的函数,今天我来看一下一款字符串截取函数(支持中英文混体)的php代码实例吧。
字符串截取函数(支持中英文混体)
以前我们截取字符串都会用php教程自带的函数,今天我来看一下一款字符串截取函数(支持中英文混体)的php代码实例吧。
*/
function cutstr($string, $sublen=10, $start = 0, $code = 'utf-8')
{
if($code == 'utf-8')
{
$pa = "/[x01-x7f]|[xc2-xdf][x80-xbf]|xe0[xa0-xbf][x80-xbf]|[xe1-xef][x80-xbf][x80-xbf]|xf0[x90-xbf][x80-xbf][x80-xbf]|[xf1-xf7][x80-xbf][x80-xbf][x80-xbf]/";
preg_match_all($pa, $string, $t_string);//if(count($t_string[0]) - $start > $sublen) return join('', array_slice($t_string[0], $start, $sublen))."...";
return join('', array_slice($t_string[0], $start, $sublen));
}
else
{
$start = $start*2;
$sublen = $sublen*2;
$strlen = strlen($string);
$tmps教程tr = '';
for($i=0; $i {
if($i>=$start && $i {
if(ord(substr($string, $i, 1))>129) $tmpstr.= substr($string, $i, 2);
else $tmpstr.= substr($string, $i, 1);
}
if(ord(substr($string, $i, 1))>129) $i++;
}
//if(strlen($tmpstr) return $tmpstr;
}
}

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