How to use core php into Codeigniter controller files?

Question

I would like to use http://demo.hazzardweb.net/imgPicker/docs/. I have downloaded all the files.

How can I convert it into a Codeigniter third party library or how can I call this class file in a Codeigniter controller? Is it possible to call the core php files directly in a controller to achieve this?

For example:

 require dirname(__FILE__) . '/ImgPicker.php';

sotoz · Accepted Answer · 2015-10-25 18:39:35Z

You can create a new library for your project.

Your library classes should be placed within your application/libraries directory, as this is where CodeIgniter will look for them when they are initialized.

Be sure that:

File names must be capitalized. For example: ImgPicker.php
Class declarations must be capitalized. For example: class ImgPicker
Class names and file names must match.

Your ImgPicker class file Classes in general should have this basic prototype:

<?php defined('BASEPATH') OR exit('No direct script access allowed');

class ImgPicker {

        // all stuff that your php library does
        public function some_method()
        {
            . . . 
        }
}

Then from your controller (or model) you can load your library with $this->load->library('someclass'); and you can pass vars to the constructor dynamically like so:

$params = array('type' => 'large', 'color' => 'red');
$this->load->library('ImgPicker', $params);

You can find a lot of useful information how to create your own libraries (or convert existing php classes to CI libraries) at CI documentation.

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