Set Variable From Multidimensional $_POST Array

You don't need square brackets for assigning this sub-array to a variable.

$array = $_POST['contact-info'];
echo $array['email'];

$_POST simply is not a multi dimensional array. echo print_r($_POST,1); will show you what is exactly in $_POST. When used, $_POST will always be populated for you by PHP with key (string) - value (string) pairs. If $_POST does contain sub arrays, then it's probably populated by you yourself or by some framework you are using.

For now I'm guessing that contact-info is the form name of the form you are submitting. The form name is not of importance when reading out the submitted form. You can directly access the sent data through the name of the field sent..

For example, if you had:

<form name="contact-info" action="yourscript.php" method="post">
  Please enter your e-mail address:<br/>
  <input name="email" type="text" value="" />
</form>

Then in your php script you should have:

<?php
  echo "You just entered: " . $_POST['email']; 
?>

$array['email'] is never set. You set the array like this:

$array[] = $_POST['contact-info'];

So assuming that was the first time you've used $array then you would access email by:

echo $array[0]['email'];

If you don't need $array to be multi-dimensional, You could always just do:

$array = $_POST['contact-info'];
echo $array['email'];

As mentioned elsewhere, the email is currently empty. The structure of the array should match the form so, if your form is

name="contact-info[email]"

Then in PHP you would access that as

$contact_info = $_POST['contact-info'];
$email = $contact_info['email'];

OR

$email = $_POST['contact-info']['email'];

Also, try this for a little more clarity when debugging an array, it makes spoting the associations easier.

<pre>
<?php print_r($_POST);?>
</pre>