cakephp : how to get an array of elements from a web form

Question

In my cakephp form I have following code

<p> <?php echo $form->input('option[]',array('size'=>13)); ?> </p>
<p> <?php echo $form->input('option[]',array('size'=>13)); ?> </p>
<p> <?php echo $form->input('option[]',array('size'=>13)); ?> </p>
<p> <?php echo $form->input('option[]',array('size'=>13)); ?> </p>

I am trying to get values from a set of input text boxes, the number of text boxes can be set by the user, so cant give individual names of each text box, but How can I get values from my controller to insert data to db table

Thank you

checkout saving hasmany association

Cholthi Paul Ttiopic
– Cholthi Paul Ttiopic

2015-07-28 11:29:59 +00:00
Commented Jul 28, 2015 at 11:29 — Cholthi Paul Ttiopic
– Cholthi Paul Ttiopic, Commented Jul 28, 2015 at 11:29

Nik Chankov · Accepted Answer · 2010-10-31 08:51:27Z

3

You can leave the form as it is (and use suggestions from @Wizzard and @Lee), but the best practice is to use an incrementing variable to construct the list. i.e.:

for($i=0;$i<$option_number;$i++){
   echo $form->input("MyModel.{$i}.option");
}

This way your variable after posting the form will look like:

data[MyModel][0][option] = 'the value' dataMyModel[option] = 'the value' data[MyModel][2][option] = 'the value' ... and so on...

In the controller you can access the posted data by:

print_r($this->data);

Take a look saveAll() (search for saveAll in your browser and look for suggested data structure)

answered Oct 31, 2010 at 8:51

Nik Chankov

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1 Comment

Leo Over a year ago

+1 This is, indeed, the correct way to do it. If you want to add the fields before submitting the form, try jQuery append together with this answer.

Lee · Accepted Answer · 2010-10-31 07:49:56Z

1

your input fields are all named the same thing: option[]. This is good. It causes php to automatically turn them into an array when the request is loaded in. So you can get them in your CakePHP controller like this:

$this->params['form']['option'][0]
$this->params['form']['option'][1]
... and so on ...

answered Oct 31, 2010 at 7:49

Lee

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1 Comment

Thomas John Over a year ago

print_r($this->params['form']); gives empty values as Array ( )

Wizzard · Accepted Answer · 2010-10-31 07:48:46Z

0

Pretty sure they're in the array $this->params['form'] in the controller.. or $this->data

In the method of your controller, do a var_dump($this); and you'll see where they show up

answered Oct 31, 2010 at 7:48

Wizzard

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