function file_valid_uri

Determines whether the URI has a valid scheme for file API operations.

There must be a scheme and it must be a Drupal-provided scheme like 'public', 'private', 'temporary', or an extension provided with hook_stream_wrappers().

Parameters

$uri: The URI to be tested.

Return value

TRUE if the URI is allowed.

Related topics

3 calls to file_valid_uri()
file_copy in drupal/core/modules/file/file.module
Copies a file to a new location and adds a file record to the database.
file_move in drupal/core/modules/file/file.module
Moves a file to a new location and update the file's database entry.
file_save_data in drupal/core/modules/file/file.module
Saves a file to the specified destination and creates a database entry.

File

drupal/core/includes/file.inc, line 584
API for handling file uploads and server file management.

Code

function file_valid_uri($uri) {

  // Assert that the URI has an allowed scheme. Barepaths are not allowed.
  $uri_scheme = file_uri_scheme($uri);
  if (!file_stream_wrapper_valid_scheme($uri_scheme)) {
    return FALSE;
  }
  return TRUE;
}