Undefined index when using $_request

Question

I got an error when i use $_Request . this is my code

$lat2=$_REQUEST['lat'];
$lng2=$_REQUEST['lng'];

$flag['code']=0;

if($r=mysql_query("insert into markers_awal values('','$lat2','$lng2') ",$con))
{
    $flag['code']=1;
    echo"hi";
}

this is my error.

Notice: Undefined index: lat in C:\xampp\htdocs\MUF_Surabaya\Rute\insert_android.php on line 10
Notice: Undefined index: lng in C:\xampp\htdocs\MUF_Surabaya\Rute\insert_android.php on line 11

hi{"code":1}

can anybody explain to me,, thnk you

how you are passing values to insert_android.php ? using get or post — Anish, Jun 13 '14 at 05:05
It means that `$_REQUEST`doesn't have en element with key `lat`. Try var_dump($_REQUEST) to see what the array looks like. — luttkens, Jun 13 '14 at 05:06
@Anish : `GET` and `POST` both will be accepted in `$_REQUEST` — Ranjith, Jun 13 '14 at 05:07
@Ranjith agreed. just wanted to check whether they are aware of that :) — Anish, Jun 13 '14 at 05:08
@Ranjith I use $lat2=(isset($_REQUEST['lat']) ? $_REQUEST['lat'] : ''); $lng2=(isset($_REQUEST['lng']) ? $_REQUEST['lng'] : ''); but my query is being 0 — hot_programmer, Jun 13 '14 at 05:40

rekire · Answer 1 · 2014-06-13T05:16:37.857

0

Bad idea better use directly $_GET or $_POST and please remember to check the values you get from the user. Now your code is open for blind sql injections.

Try this code if you don't want to use the recomended mysqli:

$lat2 = floatval($_POST['lat']);
$lng2 = floatval($_POST['lng']);

If this still not work try dumping your inputs with this two lines:

var_dump($_GET);
var_dump($_POST);

edited Jun 13 '14 at 05:16

answered Jun 13 '14 at 05:06

rekire

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Shouldn't they be `floatval`? – Hanky Panky Jun 13 '14 at 05:14
@Hanky웃Panky well true, in my last case I stored the lat lon as int so I wrote `intval` by my own practice. – rekire Jun 13 '14 at 05:16

score 0 · Accepted Answer · edited May 23 '17 at 10:25

0

Check for values with isset() or empty()

$lat2=(isset($_REQUEST['lat']) ? $_REQUEST['lat'] : '');
$lng2=(isset($_REQUEST['lng']) ? $_REQUEST['lng'] : '');

Good to get values with what method you are using $_GET or $_POST Why :- Why should I use $_GET and $_POST instead of $_REQUEST?

edited May 23 '17 at 10:25

Community

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answered Jun 13 '14 at 05:08

Rakesh Sharma

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Even `$_REQUEST` also accepts both the method. Is there any reason to preferable any of them? – Ranjith Jun 13 '14 at 05:15
@Ranjith may be http://stackoverflow.com/questions/368329/why-should-i-use-get-and-post-instead-of-request – Rakesh Sharma Jun 13 '14 at 05:18
@user3233176 try to echo your both variables what they have values looks like no values geted – Rakesh Sharma Jun 13 '14 at 05:40

Undefined index when using $_request

2 Answers2