File interface
Common file handling functions.
Functions
| Name | Location | Description |
|---|---|---|
| file_check_directory | includes/file.inc | Check that the directory exists and is writable. Directories need to have execute permissions to be considered a directory by FTP servers, etc. |
| file_check_location | includes/file.inc | Check if a file is really located inside $directory. Should be used to make sure a file specified is really located within the directory to prevent exploits. |
| file_check_path | includes/file.inc | Checks path to see if it is a directory, or a dir/file. |
| file_copy | includes/file.inc | Copies a file to a new location. This is a powerful function that in many ways performs like an advanced version of copy(). |
| file_create_filename | includes/file.inc | Create a full file path from a directory and filename. If a file with the specified name already exists, an alternative will be used. |
| file_create_path | includes/file.inc | Make sure the destination is a complete path and resides in the file system directory, if it is not prepend the file system directory. |
| file_create_url | includes/file.inc | Create the download path to a file. |
| file_delete | includes/file.inc | Delete a file. |
| file_directory_path | includes/file.inc | Determine the default 'files' directory. |
| file_directory_temp | includes/file.inc | Determine the default temporary directory. |
| file_move | includes/file.inc | Moves a file to a new location. |
| file_save_data | includes/file.inc | Save a string to the specified destination. |
| file_save_upload | includes/file.inc | Saves a file upload to a new location. The source file is validated as a proper upload and handled as such. |
| file_scan_directory | includes/file.inc | Finds all files that match a given mask in a given directory. Directories and files beginning with a period are excluded. |
| file_transfer | includes/file.inc | Transfer file using http to client. Pipes a file through Drupal to the client. |
| file_upload_max_size | includes/file.inc | Determine the maximum file upload size by querying the PHP settings. |
| _file_convert_to_mb | includes/file.inc | Helper function for file_upload_max_size(). |