解析二进制流接口应用实例 pack、unpack、ord 函数使用方法

php  /  管理员 发布于 7年前   170

$code=array(
"username"=>array("A20","张三adfb12"),
"pass"=>array("A10","asdf*#1"),
"age"=>array("C","23"),
"birthday"=>array("I","19900101"),
"email"=>array("A50","[email protected]"));
$stream=join("\0",packByArr($code));
echo $stream,strlen($stream);

file_put_contents("c:/1.txt",$stream);    //将流保存起来便于下面读取

function packByArr($arr)  {
         $atArr=array();
         foreach ($arr as $k=>$v) {
                  $atArr[]=pack($v[0],$v[1]);
         }
         return $atArr;
}
function getAscill($str) {
         $arr=str_split($str);
         foreach ($arr as $v) {
                  echo $v,"=",ord($v),"\n";
         }
}
?>