Array to String Conversion error in Codeigniter

Question

Well I am Stuck some where here in Array conversion:

My Controller:

$username = $this->input->post('FirstName');
$countryval= $this->input->post('country');

var_dump($countryval);

My View:

<input type="text" name="FirstName" id="Name" >
<?php
foreach ($countryDetails as $row )
{
    echo '<input id="country" type="checkbox" name="country[]" class="unique"  value="'.$row->country_id.'">'.$row->country_name.'<br/>';
}
?>
<script>
    $('input.unique').click(function() {
        $('input.unique:checked').not(this).removeAttr('checked');
    });
</script>

I am getting the value from checkbox in an array and I need to pass that value as a string further. I am not able to convert value from array to string i.e if I var_dump($countryval) I get value in array ! Please Help. Thank you

on selecting 1st check box i get output as--array(1) { [0]=> string(1) "1" } on selecting 2nd checkbox--array(1) { [0]=> string(1) "2" } — Nehil Mistry
– Nehil Mistry, Commented Jan 8, 2014 at 12:40

Community · Accepted Answer · 2017-05-23 11:56:47Z

1

That is because you have used "country[]" as the name in input field

Please try this incase you need a single value to be returned (Edit made here coz I put type="checkbox" instead of "radio".. I have corrected it) Trust radios for single values.

echo '<input id="country" type="radio" name="country" class="unique"  value="'.$row->country_id.'">'.$row->country_name.'<br/>';

hope that helps

You need "country[ ]" as name only if it has multiple values. Eg., For a multiple select

<select name="country[]" multiple>
  <option></option> <!-- Your options go here-->
</select>

You can use input-checkbox too.. But with your question, I believe you need just a single value to be returned.

Ok.. Now From Your comments I kind of get what you want. Here is my suggestion

1) When you are having multiple checkboxes with the same name, the values are sent as an array.

2) If you would need a single value at a time and definitely need a checkbox, You can make a radio look like a checkbox like this.

3) If you really want to proceed with your javascript allowing only one checkbox at a time, you can do this.

// Load the 'array' helper
$this->load->helper('array');
// Use the 'element' function to return an element from the array
$countryval = element('0', $this->input->post('country')); //should work

Have a try..!!

edited May 23, 2017 at 11:56

CommunityBot

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answered Jan 8, 2014 at 12:40

Mohammed Ashiq

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8 Comments

Nehil Mistry Over a year ago

even after doing so i am getting the same results!

Mohammed Ashiq Over a year ago

is the var_dump giving the same output or a different one..?

Nehil Mistry Over a year ago

i am getting same output.

Mohammed Ashiq Over a year ago

Well.. The question is, if you have a multiple checkbox, with the same name, they should be giving out an array. So tell us whether you need a single value or a multiple values from that form?

Mohammed Ashiq Over a year ago

I believe my edit should help you out getting a single country out. tell me if You need something else and if I am wrong.

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