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 "://".

Parameters

$uri: String reference containing the URI to normalize.

Return value

The normalized URI.:

Related topics

File

includes/file.inc, line 281

API for handling file uploads and server file management.

Code

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;
}