| drupal_basename Deprecated | core/includes/file.inc | Gets the filename from a given path. |
| drupal_chmod Deprecated | core/includes/file.inc | Sets the permissions on a file or directory. |
| drupal_dirname Deprecated | core/includes/file.inc | Gets the name of the directory from a given path. |
| drupal_mkdir Deprecated | core/includes/file.inc | Creates a directory, optionally creating missing components in the path to the directory. |
| drupal_move_uploaded_file Deprecated | core/includes/file.inc | Moves an uploaded file to a new location. |
| drupal_realpath Deprecated | core/includes/file.inc | Resolves the absolute filepath of a local URI or filepath. |
| drupal_rmdir Deprecated | core/includes/file.inc | Removes a directory. |
| drupal_tempnam Deprecated | core/includes/file.inc | Creates a file with a unique filename in the specified directory. |
| drupal_unlink Deprecated | core/includes/file.inc | Deletes a file. |
| file_build_uri | core/includes/file.inc | Constructs a URI to Drupal's default files location given a relative path. |
| file_create_filename | core/includes/file.inc | Creates a full file path from a directory and filename. |
| file_create_url | core/includes/file.inc | Creates a web-accessible URL for a stream to an external or local file. |
| file_default_scheme | core/includes/file.inc | Gets the default file stream implementation. |
| file_delete | core/includes/file.inc | Deletes a file and its database record. |
| file_delete_multiple | core/includes/file.inc | Deletes files. |
| file_destination | core/includes/file.inc | Determines the destination path for a file. |
| file_directory_os_temp Deprecated | core/includes/file.inc | Discovers a writable system-appropriate temporary directory. |
| file_directory_temp | core/includes/file.inc | Gets and sets the path of the configured temporary directory. |
| file_ensure_htaccess | core/includes/file.inc | Creates a .htaccess file in each Drupal files directory if it is missing. |
| file_get_file_references | core/modules/file/file.module | Retrieves a list of references to a file. |
| file_htaccess_lines Deprecated | core/includes/file.inc | Returns the standard .htaccess lines that Drupal writes to file directories. |
| file_munge_filename | core/includes/file.inc | Modifies a filename as needed for security purposes. |
| file_prepare_directory | core/includes/file.inc | Checks that the directory exists and is writable. |
| file_save_htaccess | core/includes/file.inc | Creates a .htaccess file in the given directory. |
| file_scan_directory | core/includes/file.inc | Finds all files that match a given mask in a given directory. |
| file_stream_wrapper_uri_normalize | core/includes/file.inc | Normalizes a URI by making it syntactically correct. |
| file_stream_wrapper_valid_scheme Deprecated | core/includes/file.inc | Checks that the scheme of a stream URI is valid. |
| file_unmanaged_copy | core/includes/file.inc | Copies a file to a new location without database changes or hook invocation. |
| file_unmanaged_delete | core/includes/file.inc | Deletes a file without database changes or hook invocations. |
| file_unmanaged_delete_recursive | core/includes/file.inc | Deletes all files and directories in the specified filepath recursively. |
| file_unmanaged_move | core/includes/file.inc | Moves a file to a new location without database changes or hook invocation. |
| file_unmanaged_prepare | core/includes/file.inc | Internal function that prepares the destination for a file_unmanaged_copy or file_unmanaged_move operation. |
| file_unmanaged_save_data | core/includes/file.inc | Saves a file to the specified destination without invoking file API. |
| file_unmunge_filename | core/includes/file.inc | Undoes the effect of file_munge_filename(). |
| file_upload_max_size | core/includes/file.inc | Determines the maximum file upload size by querying the PHP settings. |
| file_uri_scheme Deprecated | core/includes/file.inc | Returns the scheme of a URI (e.g. a stream). |
| file_uri_target | core/includes/file.inc | Returns the part of a URI after the schema. |
| file_url_transform_relative | core/includes/file.inc | Transforms an absolute URL of a local file to a relative URL. |
| file_valid_uri | core/includes/file.inc | Determines whether the URI has a valid scheme for file API operations. |
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