When retrieving data from URLs, what are valid ways to make sure all file_get_contents calls send a certain user agent string? (Choose 2)
$default_opts = array('http'=>array('user_agent'=>"My Cool Browser"));
$default = stream_context_set_default($default_opts);
stream_context_set_option("user_agent", "My Cool Browser");
ini_set('user_agent', "My Cool Browser");
stream_context_set_option($context, "http", "user_agent", "My Cool Browser");
Submit