Receive multidimensional text box array in PHP

Question

I have text box values to be posted . How do I take it in a PHP array .The html is as follows:

<input type="text" name="ItemName[1][2]" >
<input type="text" name="ItemName[1][3]" >
<input type="text" name="ItemName[1][4]" >

$ItemNamesArray = $_POST[] ..... ????? What do I do in this step???

Please help.

Write print_r($_POST); in your code to see what you have to work with. — nyson
– nyson, Commented Apr 23, 2012 at 11:32
Webbandit: Excuse me, what? I don't understand what you mean. — nyson
– nyson, Commented Apr 23, 2012 at 11:45

Niet the Dark Absol · Accepted Answer · 2012-04-23 11:32:53Z

1

If you use var_dump($_POST), you'd see the answer right away:

array(1) {
  ["ItemName"]=>
  array(1) {
    [1]=>
    array(3) {
      [2]=>
      string(1) "a"
      [3]=>
      string(1) "b"
      [4]=>
      string(1) "c"
    }
  }
}

So you access $_POST['ItemName'][1][2] for example.

answered Apr 23, 2012 at 11:32

Niet the Dark Absol

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Comments

A.N.M. Saiful Islam · Accepted Answer · 2012-04-23 11:32:27Z

0

$_POST['ItemName'][1][2];
$_POST['ItemName'][1][3];
$_POST['ItemName'][1][4];

answered Apr 23, 2012 at 11:32

A.N.M. Saiful Islam

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2 Comments

sqlchild Over a year ago

i want to access the ItemName[1] separately and ItemName[2] separately?

A.N.M. Saiful Islam Over a year ago

If you want to access $ItemName[1] or $ItemName[2] directly, instead of $_POST['ItemName'][1] or $_POST['ItemName'][2], you can use extract($_POST), and this way you will be able to access all the $_POST variables directly (i.e. $ItemName[1] instead of $_POST['ItemName'][1]). :)

Sethunath K M · Accepted Answer · 2012-04-23 11:33:11Z

0

The post array can be accessed like $ItemNamesArray = $_POST['ItemName']

and you can access the first item $ItemNamesArray[1][2]

answered Apr 23, 2012 at 11:33

Sethunath K M

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Comments

Anthony · Accepted Answer · 2012-04-23 11:37:01Z

Well, in your example:

<input type="text" name="ItemName[1][2]" >
<input type="text" name="ItemName[1][3]" >
<input type="text" name="ItemName[1][4]" >

The $_POST key is going to be the name, so ItemName and because PHP treats the follow-up brackets as array keys, the values would be:

$_POST['ItemName'][1][2]
$_POST['ItemName'][1][3]
$_POST['ItemName'][1][4]

So if you want all item names, go with:

$itemNames = $_POST['ItemName'];

FYI,

you should sanitize and validate all input before using it.

If you don't actually have an ItemName[2][1] or ItemName[0][1] etc, then the following would make more sense:

 <input type="text" name="ItemName[]" />
 <input type="text" name="ItemName[]" />
 <input type="text" name="ItemName[]" />

Which would just set the index as they came in, instead of pre-setting them.

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