Checkbox ใช้ While Loop ต้องการค่าที่อยู่ใน While Loop

<?php
	require 'db_conn.php';
	$sql = "SELECT*FROM tbl_food";
	$result = mysqli_query($conn, $sql);
	$sql1 = "SELECT*FROM tbl_food";
	$result1 = mysqli_query($conn, $sql1);
	$sql2 = "SELECT*FROM test";
	$result2 = mysqli_query($conn, $sql2);
	echo "<form name = 'save' method='post' action='?KeyID=save' enctype='multipart/form-data'>";
	if (mysqli_num_rows($result) > 0) {
	    // output data of each row
	    while($row = mysqli_fetch_assoc($result)) { $i=$row["food_id"];
	        echo "<input type='checkbox' id = 'dd".$i."' name= 'dd".$i."' value='". $row["cgy_id"]."'>" . $row["food_id"]. " - Name: " . $row["food_name"].$i. "<br>";
	    }
	} else {
	    echo "0 results";
	}
	echo "<input type='submit'>";
	echo "</form>";
	if ($_GET["KeyID"]=="save") {
		$ii = "0";
		while(mysqli_fetch_assoc($result1)) { $ii++;
			if (isset($_POST['dd'.$ii]) == "") {
		      $foods[$ii] = "0";
		    }else{
		      $foods[$ii] = "1";
		    }
		    echo $foods[$ii];
		}
	}

?>