PHP将含有中英文ASCII码字符串切割为单字数组

  //含有中英文ASCII码字符串切割为单字数组

    //Satan@Author 2011-10-26 

  private function chinesesplit($str){

        //$str="x个小姑娘去kfc吃chicken，飞刀已出手，nobody看到什么时候出手的，Mr'Li手中仍握着那个木雕，但刀已不在noanymore";

        $ascLen=strlen($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;

}

摘自 烂在棺材里