//Cut the string containing Chinese and English ASCII codes into a single word array
//Satan@Author 2011-10-26
private function chinesesplit($str){
//$str="
$ascLen=strlen($str);for($i;$i<$ascLen;$i++){
$c=ord(substr($str,0,1));
if(ord(substr($str,0,1)) >252){$p = 5;}elseif($c > 248){$p = 4;}elseif($c > 240){$ p = 3;}elseif($c > 224){$p = 2;}elseif($c > 192){$p = 1;}else{$p = 0;}
$truekey=substr($str,0,$p+1);
If($truekey===false){break;}
$splikey[]=$truekey;
$str=substr($str,$p+1);
}
return $splikey;
}
Excerpted from Rotting in a Coffin
http://www.bkjia.com/PHPjc/478565.html