codeigniter checkbox array handling issue

Question

I have form fields which are checkboxes as below :

<input id="[email protected]" type="checkbox" checked="checked" value="[email protected]" style="float:left;border:2px dotted #00f" name="email[]">
<input id="[email protected]" type="checkbox" checked="checked" value="[email protected]" style="float:left;border:2px dotted #00f" name="email[]">
<input id="[email protected]" type="checkbox" checked="checked" value="[email protected]" style="float:left;border:2px dotted #00f" name="email[]">

But when in the controller I am taking a var_dump($this->input->post('email')) , it displays bool(false) .

in the controller I have this method :

public function referral_email()
{
    $data = $this->input->post('email');
    var_dump($data);exit;
 }

How to access this array of checkboxes in my controller ?

I am loading my view from a different controller . And the form data is getting submitted to this controller. — deGee
– deGee, Commented Oct 19, 2011 at 21:27
Not sure if this helps, but your id="" attribute probably shouldn't have an '@' character in it. — minboost
– minboost, Commented Oct 19, 2011 at 21:29

Talha A. · Accepted Answer · 2011-11-02 22:07:51Z

1

Are you by any chance trying to trim the output using the form validation library? I had the same problem, and removing 'trim' from the validation rules solved it.

answered Nov 2, 2011 at 22:07

Talha A.

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1 Comment

deGee Over a year ago

Bingo @Talha...that was exactly what I was doing...thanks for the solution buddy.

michaeljdennis · Accepted Answer · 2011-10-26 00:27:37Z

Make sure the form tag surrounding the text boxes has the attribute method="post" or else it might be submitting to the $_GET array. I got it to work with the following code:

Controller

public function referral_email()
{
    $data = $this->input->post('email');
    var_dump($data);
}

View

<form method="post" action="welcome/referral_email">
<input id="[email protected]" type="checkbox" checked="checked" value="[email protected]" style="float:left;border:2px dotted #00f" name="email[]">
<input id="[email protected]" type="checkbox" checked="checked" value="[email protected]" style="float:left;border:2px dotted #00f" name="email[]">
<input id="[email protected]" type="checkbox" checked="checked" value="[email protected]" style="float:left;border:2px dotted #00f" name="email[]">
<input type="submit" value="Submit" />
</form>

sourcejedi · Accepted Answer · 2012-11-27 10:24:59Z

0

trim() works on strings, but your $_POST['email'] is an array. The correct fix should be to pass the field name as 'email[]' when using the form validation library (in the code you didn't show us but commented on later).

http://ellislab.com/codeigniter/user-guide/libraries/form_validation.html#arraysasfields

answered Nov 27, 2012 at 10:24

sourcejedi

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