table tr Undefined value is storing in datase : [![enter image description here][1]][1]


  [1]: http://i.stack.imgur.com/5VdcJ.png

here is my form table:

    <table id="jobSkills" ">
    	<tbody>
    		<tr><td  class="col-xs-4"> Skill </td>
    	</tbody>
    </table>

jquery Add+++ More script:

    var skillcount=0;
    $(".addSkills").click(function(){
    	$('#jobSkills tr:last').after('<tr><td><input name="skill['+skillcount+'][title]" type="text" "></td></tr>');
    	skillcount++;
    });

Controller code to strore in db:

    foreach($_POST["skill"] as $k=>$key)
    {
    $conn->query("INSERT INTO r_job_skill (id_job,title) values ('".$jobId."','".$key["title"]."')");
    }

