Codeigniter 4 curl post request with headers example. In this tutorial, you will learn how to send php cURL post request in codeigniter 4.

And this tutorial will explain how to use PHP Curl POST in Codeigniter 4. Sometimes, you need to fetching data from the third-party endpoint in Codeigniter 4, then you can’t rely upon more than a CURL request on any other method.

You can go for php curl functions to deal with GET, POST, PUT, DELTE requests in Codeigniter with PHP CURL functions. It’s not just comfortable but also sole satisfying for web developers

And will show you a PHP cURL request example in codeigniter 4 app, along with that also help you deal with headers with authentication. And PHP curl functions to get the JSON response through API.

PHP Codeigniter 4 cURL Request Example

In this tutorial, you will learn about PHP codeigniter cURL request example with the header. And PHP curl functions to get the JSON response through API.

And you can see the following functions of PHP Codeigniter 4 cURL request:

• curl_setopt(): This method sets an option for a cURL transfer
• curl_init(): Initialize a new session and return a cURL handle for use with the curl_setopt(), curl_exec(), and curl_close() functions.
• curl_exec(): It is recommended to call this method after evoking a cURL session along with every set session. option.

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
class CurlController extends CI_Controller {
 
    public function __construct() {
       parent::__construct();
    }
    
    public function curPostRequest()
    {
        /* Endpoint */
        $url = 'http://www.localhost.com/endpoint';
    
        /* eCurl */
        $curl = curl_init($url);
    
        /* Data */
        $data = [
            'name'=>'John Doe', 
            'email'=>'johndoe@yahoo.com'
        ];
    
        /* Set JSON data to POST */
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
             
        /* Define content type */
        curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
             
        /* Return json */
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
             
        /* make request */
        $result = curl_exec($curl);
              
        /* close curl */
        curl_close($curl);
    }
}

Let us check out the header authentication cURL in PHP CodeIgniter 4 app with the following example:

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
class CurlController extends CI_Controller {
 
    public function __construct() {
       parent::__construct();
    }
    
    public function curPostRequest()
    {
        /* Endpoint */
        $url = 'http://www.localhost.com/endpoint';
    
        /* eCurl */
        $curl = curl_init($url);
    
        /* Data */
        $data = [
            'name'=>'John Doe', 
            'email'=>'johndoe@yahoo.com'
        ];
    
        /* Set JSON data to POST */
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
             
        /* Define content type */
        curl_setopt($curl, CURLOPT_HTTPHEADER, array(
            'Content-Type:application/json',
            'App-Key: JJEK8L4',
            'App-Secret: 2zqAzq6'
        ));
             
        /* Return json */
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
             
        /* make request */
        $result = curl_exec($curl);
              
        /* close curl */
        curl_close($curl);
    }
}