This is a source file of a article about PHP cURL. http://sourov.im/send-http-request-using-php-curl/

setHTTPRequest.php

<?php 
/*
|---------------------------------------------------
| PHP class to send HTTP request in better way
|---------------------------------------------------
*/
if(!class_exists('setHTTPRequest')){
class setHTTPRequest
{
	/**
	 * Protected Properties
	 */
	protected $response;
	protected $http_code;
	protected $errno;
	protected $error;
	
	/**
	 * Public Properties
	 */
	public $url;
	public $http_auth = false;
	public $auth_method = CURLAUTH_ANY;
	public $username;
	public $password;
	public $headers;
	public $request_method = 'GET';
	public $post_data;


	/**
	 * Send http request from here
	 */
	public function send()
	{
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $this->url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		
		// Redirect
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        	curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
		
		// Authentication
		if($this->http_auth == true){
			curl_setopt($ch, CURLOPT_HTTPAUTH, $this->auth_method);
			curl_setopt($ch, CURLOPT_USERPWD, $this->username .":". $this->password);
		}
		
		// Headers
		curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);

		// Different type of request method
		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->request_method);

		if($this->request_method != 'GET'){
			curl_setopt($ch, CURLOPT_POSTFIELDS, $this->post_data);
		}

		$this->response = curl_exec($ch);
		$this->http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

		$this->errno = curl_errno($ch);
		$this->error = curl_error($ch);

		curl_close($ch);
	}//End of send

	/**
	 * Get the response
	 */
	public function getResponse()
	{
		return $this->response;
	}

	/**
	 * Get HTTP status Code
	 */
	public function getHttpCode()
	{
		return $this->http_code;
	}

	/**
	 * Get cURL errors
	 */
	public function getErrors()
	{
		return [
			'errno' => $this->errno,
			'error' => $this->error,
		];
	}


}//End of class
}