function file_stream_wrapper_uri_normalize

Normalizes a URI by making it syntactically correct.

A stream is referenced as "scheme://target".

The following actions are taken:

  • Remove trailing slashes from target
  • Trim erroneous leading slashes from target. e.g. ":///" becomes "://".


$uri: String reference containing the URI to normalize.

Return value

The normalized URI.

Related topics

6 calls to file_stream_wrapper_uri_normalize()
file_build_uri in drupal/includes/
Constructs a URI to Drupal's default files location given a relative path.
file_create_htaccess in drupal/includes/
Creates a .htaccess file in the given directory.
file_scan_directory in drupal/includes/
Finds all files that match a given mask in a given directory.
file_unmanaged_copy in drupal/includes/
Copies a file to a new location without invoking the file API.
image_style_url in drupal/modules/image/image.module
Returns the URL for an image derivative given a style and image path.

... See full list


drupal/includes/, line 275
API for handling file uploads and server file management.


function file_stream_wrapper_uri_normalize($uri) {

  // Inline file_uri_scheme() function call for performance reasons.
  $position = strpos($uri, '://');
  $scheme = $position ? substr($uri, 0, $position) : FALSE;
  if ($scheme && file_stream_wrapper_valid_scheme($scheme)) {
    $target = file_uri_target($uri);
    if ($target !== FALSE) {
      $uri = $scheme . '://' . $target;
  return $uri;