Unable to access function in codeigniter library

Question

New to PHP, oop & codeigniter. My CI version is 3.1.2.

I am trying to load a library that I built, trying to understand Object oriented principles. Probably I'm missing something.

Below is my library.

<?php
class DPS {
    private $mode;

    public function __construct($params){
        //print_r($params);
        $this->mode = $params['mode'];
    }   

    public function get_url(){
        if($this->$mode == "TEST"){
            return "https://uat.paymentexpress.com/pxaccess/pxpay.aspx";
        } elseif($this->$mode == "LIVE"){
            return "https://sec.paymentexpress.com/pxaccess/pxpay.aspx";
        }
    }
}
?>

I'm trying to access the get_url method in the controller below.

$params = [ 'mode' => 'TEST'];
$dps = $this->load->library('DPS',$params);     
echo $dps->get_url();

Codeigniter is throwing the below error message.

Fatal error: Call to undefined method CI_Loader::get_url()

Being a newbie I'm probably missing some sort of OO fancy thingi. I just can't figure it out. Any help is greatly appreciated.

Thank you in advance

Viral · Accepted Answer · 2017-02-13 06:36:03Z

1

Try this,

$this->load->library('dps',$params);     
echo $this->dps->get_url();

edited Feb 13, 2017 at 6:36

answered Feb 13, 2017 at 6:29

Viral

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4 Comments

Ela Buwa Over a year ago

Hi, I get "Message: Undefined variable: mode" error when I try that

Viral Over a year ago

oops, you should make small letters instead caps, while loading library, check my edited answer. @ElaBuwa

Ela Buwa Over a year ago

I get 2 errors. 1. Message: Undefined variable: mode -> pointed to the library. 2. Message: Cannot access empty property -> pointed to the library. All errors are pointed to the line that reads "if($this->$mode == "TEST"){"

Viral Over a year ago

change both lines that says $this->$mode to $this->mode

Hikmat Sijapati · Accepted Answer · 2017-02-13 10:04:06Z

0

Always load libraries in Codeigniter like this

$this->load->library('library_name');

And call to method of library using

$this->library_name->method_name();

SO try like this...

Save your library in application/libraries as Dps.php.Then

$params = [ 'mode' => 'TEST'];
$dps = $this->load->library('dps',$params);     
echo $this->dps->get_url();

And In your DPS library. Correct it

public function get_url(){
        if($this->mode == "TEST"){
            return "https://uat.paymentexpress.com/pxaccess/pxpay.aspx";
        } elseif($this->mode == "LIVE"){
            return "https://sec.paymentexpress.com/pxaccess/pxpay.aspx";
        }
    }

answered Feb 13, 2017 at 10:04

Hikmat Sijapati

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