How to push array of array in codeigniter?

Question

I am declare my array as public

class Doctor extends CI_Controller {

    public $prescription_drug = array();

.....

}

I need array like following

Array
(
        [0] => Array
        (
            [drugdoze] => 8
            [drugname] => 80
            [drugsize] => 5
            [drugtype] => 1
            [duration] => 
            [rx_duration] => 2
            [rx_instruction] => 3
            [rx_special_note] => “test 1”
        )
    [1] => Array
        (
            [drugdoze] => 4
            [drugname] => 10
            [drugsize] => 5
            [drugtype] => 3
            [duration] => 1
            [rx_duration] => 2
            [rx_instruction] => 3
            [rx_special_note] => “test 2”
        )
    [2] => Array
        (
            [drugdoze] => 1
            [drugname] => 13
            [drugsize] => 5
            [drugtype] => 3
            [duration] => 1
            [rx_duration] => 2
            [rx_instruction] => 3
            [rx_special_note] => “test 3”
        )

)


How can I append following array with
[3] => Array
        (
            [drugdoze] => 1
            [drugname] => 13
            [drugsize] => 5
            [drugtype] => 3
            [duration] => 1
            [rx_duration] => 2
            [rx_instruction] => 3
            [rx_special_note] => “test 3”
        )

I have a public function

public function prescription_selected_drug_session()
    {

    $prescription_data= array(
                'drugdoze' => $this->input->post("drugdoze"),
                'drugname'=> $this->input->post("drugname"),
                'drugsize' => $this->input->post("drugsize"),
                'drugtype' =>$this->input->post("drugtype"),
                'duration'=> $this->input->post("duration"),
                'rx_duration' => $this->input->post("rx_duration"),
                'rx_instruction'=>$this->input->post("rx_instruction"),
                'rx_special_note' => $this->input->post("rx_special_note")
                );


    array_push($this->prescription_drug,$prescription_data);

}

I call the function using ajax. But the value of $this->prescription_drug is overwriten every times not appended.

Can anyone help me?

Steve · Accepted Answer · 2015-01-08 13:45:09Z

1

Php is stateless. Every ajax request creates a new instance of Doctor.

You will need to persist the data in session or database, or aggregate client side

answered Jan 8, 2015 at 13:45

Steve

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2 Comments

Zahidul Hossein Ripon Over a year ago

if($this->session->userdata('prescription_selected_drug')) { $temp_array = $this->session->userdata('prescription_selected_drug'); array_push($temp_array, $prescription_data); $this->session->set_userdata('prescription_selected_drug', $temp_array); } else { $this->session->set_userdata("prescription_selected_drug",$prescription_data); }

Zahidul Hossein Ripon Over a year ago

but now array became Array ( [drugdoze] => 2 [drugname] => 155 [drugsize] => 25 [drugtype] => 1 [duration] => 1 [rx_duration] => 1 [rx_instruction] => 1 [rx_special_note] => this is test1 [0] => Array ( [drugdoze] => 2 [drugname] => 303 [drugsize] => 3 [drugtype] => 1 [duration] => 1 [rx_duration] => 2 [rx_instruction] => 1 [rx_special_note] => this is test2 ) )

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