Returns the equivalent of Apache's $_SERVER['REQUEST_URI'] variable.
Because $_SERVER['REQUEST_URI'] is only available on Apache, we generate an equivalent using other environment variables.
@todo The above comment is incorrect: http://drupal.org/node/1547294.
function request_uri($omit_query_string = FALSE) {
if (isset($_SERVER['REQUEST_URI'])) {
$uri = $_SERVER['REQUEST_URI'];
}
else {
if (isset($_SERVER['argv'][0])) {
$uri = $_SERVER['SCRIPT_NAME'] . '?' . $_SERVER['argv'][0];
}
elseif (isset($_SERVER['QUERY_STRING'])) {
$uri = $_SERVER['SCRIPT_NAME'] . '?' . $_SERVER['QUERY_STRING'];
}
else {
$uri = $_SERVER['SCRIPT_NAME'];
}
}
// Prevent multiple slashes to avoid cross site requests via the Form API.
$uri = '/' . ltrim($uri, '/');
return $omit_query_string ? strtok($uri, '?') : $uri;
}