Filters the override parameters for a file before it is uploaded to WordPress.

The dynamic portion of the hook name, $action, refers to the post action.

Possible hook names include:

• wp_handle_sideload_overrides
• wp_handle_upload_overrides

$overrides array|false

An array of override parameters for this file. Boolean false if none are provided. @see _wp_handle_upload() .

More Arguments from _wp_handle_upload( ... $overrides )

An array of override parameters for this file, or boolean false if none are provided.

• upload_error_handlercallable
  Function to call when there is an error during the upload process.
  @see wp_handle_upload_error() .
• unique_filename_callbackcallable
  Function to call when determining a unique file name for the file.
  @see wp_unique_filename() .
• upload_error_stringsstring[]
  The strings that describe the error indicated in $_FILES[{form field}]['error'].
• test_formbool
  Whether to test that the $_POST['action'] parameter is as expected.
• test_sizebool
  Whether to test that the file size is greater than zero bytes.
• test_typebool
  Whether to test that the mime type of the file is as expected.
• mimesstring[]
  Array of allowed mime types keyed by their file extension regex.

$file array

Reference to a single element from $_FILES.

• namestring
  The original name of the file on the client machine.
• typestring
  The mime type of the file, if the browser provided this information.
• tmp_namestring
  The temporary filename of the file in which the uploaded file was stored on the server.
• sizeint
  The size, in bytes, of the uploaded file.
• errorint
  The error code associated with this file upload.

File: wp-admin/includes/file.php. View all references

$overrides = apply_filters( "{$action}_overrides", $overrides, $file );