WordPress and cURL cookies

cookies.php

<?php

// Create a cookie file
require_once ABSPATH . 'wp-admin/includes/file.php';
$cookie_file = wp_tempnam();

// Create a callback to let curl save cookies there
$cookie_saver = function( $ch ) use ( $cookie_file ) {
	curl_setopt( $ch, CURLOPT_COOKIEJAR,  $cookie_file );
	curl_setopt( $ch, CURLOPT_COOKIEFILE, $cookie_file );		
};
add_action( 'http_api_curl', $cookie_saver );

// Disable other transports so WP uses curl
add_filter( 'use_fsockopen_transport', '__return_false', 55 );
add_filter( 'use_streams_transport', '__return_false', 55 );

// Turn off SSL verify (YMMV)
add_filter( 'https_ssl_verify', '__return_false', 45 );

// Fetch the page	
$result = wp_remote_get( 'https://docs.google.com/forms/d/1bPgvlQ-zwdVVBmmLEC0YtUu-yf94rshDLbMPcUFbsCU/viewform', array(
	'user-agent' => $_SERVER['HTTP_USER_AGENT'],
	'redirection' => 10
) );
print_r( $result );

// Clean up
remove_filter( 'https_ssl_verify', '__return_false', 45 );
remove_filter( 'use_fsockopen_transport', '__return_false', 55 );
remove_filter( 'use_streams_transport', '__return_false', 55 );
@unlink( $cookie_file );

?>