Like Instagram media (!need login&password)

instalike.php

<?php

	class InstagramLike
	{
		const 	MAIN_URL	= "https://instagram.com",
			LOGIN_URL 	= "https://www.instagram.com/accounts/login/ajax/";

		private $_csrf,
			$_sessionid;

		function __construct($username, $password)
		{
			$c = self::parseCookie($this->_makeCurl(self::MAIN_URL));

			$this->_csrf = $c['csrftoken'];

			$loginData = array(	'username' => $username,
						'password' => $password);

			$c = self::parseCookie($this->_makeCurl(self::LOGIN_URL, $this->_csrf, array("mid" => $c['mid']), $loginData));
			
			$this->_csrf 		= $c['csrftoken'];
			$this->_sessionid 	= $c['sessionid'];
		}

		function like($media)
		{
			$likeURL = "https://www.instagram.com/web/likes/{$media}/like/";

			$r = $this->_makeCurl($likeURL, $this->_csrf, array("sessionid" => $this->_sessionid));

			print_r($r);
		}


		private function _makeCurl($url, $csrf = null, $cookies = array(), $data = array())
		{
			$c = "";
			foreach($cookies as $key => $value)
				$c .= "{$key}={$value};";

			$headers = array(
				"cookie:csrftoken={$csrf};{$c}",
				"referer:https://www.instagram.com/",
				"x-csrftoken:{$csrf}");

			$curl = curl_init();

			curl_setopt($curl, CURLOPT_URL, $url);
			curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); 
			curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

			if(!is_null($csrf))
			{
				curl_setopt($curl, CURLOPT_POST, 1);
				curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

				curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
			}

			curl_setopt($curl, CURLOPT_HEADER, true);
			
			if(!is_null($csrf) && empty($data))
				curl_setopt($curl, CURLOPT_HEADER, false);
				

			// curl_setopt($curl, CURLOPT_VERBOSE, true);

			$response = curl_exec($curl);
			
			curl_close($curl);

			return $response;
		}

		static function parseCookie($headers)
		{
			$pattern = '/Set-Cookie: ([a-z]*)=([^;]*);/';
			preg_match_all($pattern, $headers, $matches);

			$cookies = array();

			foreach($matches[1] as $index => $name)
				$cookies[$name] = $matches[2][$index];

			return $cookies;
		}
	}

	(new InstagramLike($username, $password))->like($media);

?>