将数组拆分为字符串

//将数组拆分为字符串
$attr=$db->Query($sql);
$str="";
foreach($attr as $v)
{
    $str =$str. implode("^",$v);
    $str = $str."|";
}
$str = substr($str,0,strlen($str)-1);
echo $str;

//将字符串拼接为数组

var hang = data.split("|");

                for(var i=0;i<hang.length;i++)
                {
                    var lie = hang[i].split("^");
        for(var j=0;j<lie.length;j++)
                    {
                    ｝

                ｝