PHP ini file_get_contents external url

Question

I use following PHP function:

file_get_contents(\'http://example.com\');

Whenever I do this on a certain server, the result is empty. When I do

Answer 1

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://www.your_external_website.com");
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$result = curl_exec($ch);
curl_close($ch);

is best for http url, But how to open https url help me