[SOLVED] PHP: How upload file using cURL?

<?php
	$request_url = ‘http://www.akchauhan.com/test.php’;
        $post_params['name'] = urlencode(’Test User’);
        $post_params['file'] = ‘@’.'demo/testfile.txt’;
        $post_params['submit'] = urlencode(’submit’);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $request_url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_params);
        $result = curl_exec($ch);
        curl_close($ch);
?>

Source: How upload file using cURL?.