/**
* Site URL updated to set a correct URL when passing only white space
* or passing an query string starting with a "?"
*
* Returns base_url . index_page [. uri_string]
*
* @uses CI_Config::site_url()
*
* @param string|string[] $uri URI string or an array of segments
* @param string $protocol
* @return string
*/
function site_url($uri = '', $protocol = NULL) {
// Get the CI super object
$ci =& get_instance();
// Get the set suffix
$suffix = $ci->config->config['url_suffix'];
// Check if uri is an array
if( is_array($uri) ) {
$uri = implode('/', $uri);
}
// Trim all white space
$uri = trim($uri);
// Is a "?" present and the first character?
if( ($offset = strpos($uri, '?')) !== FALSE && $offset === 0) {
// Lets clear the config item for this call
$ci->config->set_item('url_suffix', '');
// Get the site url from the original site_url method
$site_url = $ci->config->site_url($uri, $protocol);
// Reset the suffix
$ci->config->set_item('url_suffix', $suffix);
// Lets remove the "/" in front of the ?
$base_url = $ci->config->config['base_url'];
$new_uri = str_replace(base_url(), '', $site_url);
if( strlen($new_uri) > 0) {
$site_url = $base_url.$new_uri;
return $site_url;
}
// We should never reach this line
return $site_url;
}
return $ci->config->site_url($uri, $protocol);
}
