12 calls to file_stream_wrapper_valid_scheme()

drupal_dirname in drupal/core/includes/file.inc
Gets the name of the directory from a given path.
drupal_rmdir in drupal/core/includes/file.inc
Removes a directory.
drupal_tempnam in drupal/core/includes/file.inc
Creates a file with a unique filename in the specified directory.
drupal_unlink in drupal/core/includes/file.inc
Deletes a file.
file_download in drupal/core/includes/file.inc
Page callback: Handles private file transfers.
file_prepare_directory in drupal/core/includes/file.inc
Checks that the directory exists and is writable.
file_save_upload in drupal/core/includes/file.inc
Saves file uploads to a new location.
file_stream_wrapper_uri_normalize in drupal/core/includes/file.inc
Normalizes a URI by making it syntactically correct.
file_valid_uri in drupal/core/includes/file.inc
Determines whether the URI has a valid scheme for file API operations.
GDToolkit::save in drupal/core/modules/system/lib/Drupal/system/Plugin/ImageToolkit/GDToolkit.php
Implements \Drupal\system\Plugin\ImageToolkitInterface::save().
image_style_deliver in drupal/core/modules/image/image.module
Page callback: Generates a derivative, given a style and image path.
StreamWrapperTest::testGetValidStreamScheme in drupal/core/modules/system/lib/Drupal/system/Tests/File/StreamWrapperTest.php
Test the scheme functions.