Common file handling functions.
Functions & methods
| Name | Description |
|---|---|
| file_check_directory | Checks whether a directory exists and is writable. |
| file_check_location | 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 | Checks path to see if it is a directory, or a dir/file. |
| file_copy | Copies a file to a new location. |
| file_create_filename | 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 | 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 | Create the download path to a file. |
| file_delete | Delete a file. |
| file_destination | Determines the destination path for a file depending on how replacement of existing files should be handled. |
| file_directory_path | Determine the default 'files' directory. |
| file_directory_temp | Determine the default temporary directory. |
| file_download | Call modules that implement hook_file_download() to find out if a file is accessible and what headers it should be transferred with. If a module returns -1 drupal_access_denied() will be returned. If one or more modules returned headers the download… |
| file_get_mimetype | Determine an Internet Media Type, or MIME type from a filename. |
| file_move | Moves a file to a new location. |
| file_munge_filename | Modify a filename as needed for security purposes. |
| file_save_data | Save a string to the specified destination. |
| file_save_upload | Saves a file upload to a new location. |
| file_scan_directory | Finds all files that match a given mask in a given directory. |
| file_set_status | Set the status of a file. |
| file_space_used | Determine total disk space used by a single user or the whole filesystem. |
| file_transfer | Transfer file using http to client. Pipes a file through Drupal to the client. |
| file_unmunge_filename | Undo the effect of upload_munge_filename(). |
| file_upload_max_size | Determine the maximum file upload size by querying the PHP settings. |
| file_validate_extensions | Check that the filename ends with an allowed extension. This check is not enforced for the user #1. |
| file_validate_image_resolution | If the file is an image verify that its dimensions are within the specified maximum and minimum dimensions. Non-image files will be ignored. |
| file_validate_is_image | Check that the file is recognized by image_get_info() as an image. |
| file_validate_name_length | Check for files with names longer than we can store in the database. |
| file_validate_size | Check that the file's size is below certain limits. This check is not enforced for the user #1. |
Constants
| Name | Description |
|---|---|
| FILE_CREATE_DIRECTORY | |
| FILE_DOWNLOADS_PRIVATE | |
| FILE_DOWNLOADS_PUBLIC | |
| FILE_EXISTS_ERROR | |
| FILE_EXISTS_RENAME | |
| FILE_EXISTS_REPLACE | |
| FILE_MODIFY_PERMISSIONS | |
| FILE_STATUS_PERMANENT | |
| FILE_STATUS_TEMPORARY | A files status can be one of two values: temporary or permanent. The status for each file Drupal manages is stored in the {files} tables. If the status is temporary Drupal's file garbage collection will delete the file and remove it from the… |
File
- includes/
file.inc, line 8 - API for handling file uploads and server file management.