jquery split , ajax 배열 넘기기 질문

$(document).ready(function(){

  $content = $("#content").val().split(/\n/);

   

  jQuery.ajaxSettings.traditional = true;

 

    $("button").click(function(){

        $.ajax({

      url: "./result.php",

      type: 'POST',

      data: {'content' : $content},

      success: function(result){

      alert("확인");

        }});

    });

});

 

$content = $_POST['content'];

for($i=0 ; $i<sizeof($_POST[content]) ; $i++){

     $content = $_POST[content][$i];

  

}

$query = "insert into phone_list(

    phone_info

    )

    values

    (

    '$content'

    )";