file_valid_uri($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
$uri: The URI to be tested.
Return value
TRUE if the URI is allowed.
Related topics
- File interface
- Common file handling functions.
File
- core/includes/file.inc, line 407
- API for handling file uploads and server file management.
Code
1 2 3 4 5 6 7 8 | function file_valid_uri($uri) { // Assert that the URI has an allowed scheme. Bare paths are not allowed. $uri_scheme = \Drupal::service('file_system')->uriScheme($uri); if (!file_stream_wrapper_valid_scheme($uri_scheme)) { return FALSE; } return TRUE;} |
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