Generating New Array from Laravel 4 Input

Question

I'm getting some input from a dynamically generated form (I'm using jQuery to allow the user to add fields) using Input::all(). The field names are 'first_names[]', 'last_names[]' and 'emails[]'.

The $input variable now looks like this:

array (size=4)
  '_token' => string '3VCQFUmAx8BNbSrX9MqjGtQhYovOaqecRUQSAL2c' (length=40)
  'first_names' => 
    array (size=1)
      0 => string 'John' (length=4),
      1 => string 'Jane' (length=4)
  'last_names' => 
    array (size=1)
      0 => string 'Doe' (length=3),
      1 => string 'Doe' (length=3)
  'emails' => 
    array (size=1)
      0 => string '[email protected]' (length=24),
      0 => string '[email protected]' (length=24)

What I want to do is create an array from that input that looks like this:

array (
    0 => array(
        'first_name' => 'John',
        'last_name' => 'Doe',
        'email' => '[email protected]'
    ),
    1 => array(
        'first_name' => 'Jane',
        'last_name' => 'Doe',
        'email' => '[email protected]'
    )
)

Is there a simple way to do this without iterating over each array and building new ones? Is there a better way to generate the input? Thanks.

Gareth Daine · Accepted Answer · 2013-11-07 11:31:32Z

OK guys, with the help of alexrussell in Laravel IRC we've figured it out.

First thing is the JS:

var delegateId = 0;

$('.add-delegate').click(function() {
    $.get('/add-delegate/' + delegateId++, function(html) {
        $(html).appendTo('#delegates');
    });
});

$(document).on('click', '.remove-delegate', function() {
    $(this).parent().parent().remove();
});

We create a delegateId variable which we append to the get request URL and then in our routes.php we do:

Route::get('add-delegate/{id}', function($id) {
    return View::make('admin.bookings.partials.add-delegate', compact('id'));
});

This sends the id to the view we use to generate the form fields. Then in the form we do:

<div class="row-fluid">
    <div class="span12">
        <input type="text" name="delegates[{{ $id }}][first_name]" placeholder="First Name">
        <input type="text" name="delegates[{{ $id }}][last_name]" placeholder="Last Name">
        <input type="text" name="delegates[{{ $id }}][email]" placeholder="Email">
        <label class="checkbox">
            <input type="checkbox" name="delegates[{{ $id }}][prerequisites]"> Prerequisites
        </label>
        <button type="button" class="btn btn-danger remove-delegate">Remove</button>
    </div>
</div>

Once we get the input for delegates using:

Input::get('delegates')

We then have a nice array to work with, that is exactly what we're after:

array (size=2)
  0 => 
    array (size=3)
      'first_name' => string 'John' (length=4)
      'last_name' => string 'Doe' (length=3)
      'email' => string '[email protected]' (length=19)
  1 => 
    array (size=3)
      'first_name' => string 'Jane' (length=4)
      'last_name' => string 'Doe' (length=3)
      'email' => string '[email protected]' (length=19)

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