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function file_valid_uri in Drupal 7

Same name and namespace in other branches
  1. 8 core/includes/file.inc \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

5 calls to file_valid_uri()
file_copy in includes/file.inc
Copies a file to a new location and adds a file record to the database.
file_delete in includes/file.inc
Deletes a file and its database record.
file_move in includes/file.inc
Moves a file to a new location and update the file's database entry.
file_save_data in includes/file.inc
Saves a file to the specified destination and creates a database entry.
template_preprocess_user_picture in modules/user/user.module
Process variables for user-picture.tpl.php.

File

includes/file.inc, line 861
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 (empty($uri_scheme) || !file_stream_wrapper_valid_scheme($uri_scheme)) {
    return FALSE;
  }
  return TRUE;
}