Value of Multiple select input text field in CodeIgniter controller

Question

How can I get the value of a multiple select input field in CodeIgniter controller?

I want a multiple select input field shown here

I have added below html code.

<select class="js-example-basic-multiple  multiple_selection form-control" name="student[]" multiple="multiple"  >
                <option value="1">Student1</option>
                <option value="2">Student2</option>
                <option value="3">Student3</option>
                <option value="4">Student4</option>
                <option value="5">Student5</option>
                <option value="6">Student6</option>
              </select>

I am using given code to fetch the value of this input field. But I didn't get the value.

$studentname = array();
    $studentname =$this->input->post('student[]');
    echo 'studentName:'.$studentname;

Do you have any suggestions?

Possible duplicate of How to get multiple selected values of select box in php? — Philipp Maurer
– Philipp Maurer, Commented Nov 28, 2017 at 16:12

Kisaragi · Accepted Answer · 2017-11-28 16:08:50Z

2

Your values will be posted in an array:

$studentNames = $this->input->post('student');

You can then access each value using loop:

foreach($studentNames as $name){
    echo "Student name is $name";
}

answered Nov 28, 2017 at 16:08

Kisaragi

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2 Comments

Arya Over a year ago

I have tried this method. I didn't get it. So I posted this question.

Philipp Maurer Over a year ago

The trick is, that you use the name attribute student[] like in your code example and use it woithout the brackets in your code when retrieving it, like shown by Kisaragi.

jvk · Accepted Answer · 2017-11-28 16:36:03Z

0

there is no need to use [] while you are echoing post value, you already define in name='student[]';

 $studentname =$this->input->post('student');
    echo "<pre>";
    print_r($studentname);
    echo "</pre>";

answered Nov 28, 2017 at 16:36

jvk

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Comments

Parker Dell · Accepted Answer · 2017-11-28 21:39:56Z

for naming sake make it student students since its a multislect

<select class="js-example-basic-multiple  multiple_selection form-control" name="students[]" multiple="multiple"  >
    <option value="1">Student1</option>
    <option value="2">Student2</option>
    <option value="3">Student3</option>
    <option value="4">Student4</option>
    <option value="5">Student5</option>
    <option value="6">Student6</option>
 </select>

in controller:

//get the post values of students (if you dump the post you will see that $_POST['students'] is an array
$students = $this->input->post('students');

https://www.codeigniter.com/user_guide/libraries/input.html

//will contain the values of the selected students ex. var_dump($students) will produce [1,2,4];

//you will need to loop over students since it is an array

foreach($students as $id){
  echo "Student id is {$id}";
}

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