function file_is_writeable

1 file.module file_is_writeable($file)

Check if a file entity is considered writeable or not.

Parameters

object $file: A file entity object from file_load().

Return value

TRUE if the file is using a visible, readable and writeable stream wrapper,: or FALSE otherwise.

2 calls to file_is_writeable()

file_add_form_submit in core/modules/file/file.pages.inc: Submit handler for the add file form.
file_manage_form in core/modules/file/file.pages.inc: Page callback: Form constructor for the file manage form.

File

core/modules/file/file.module, line 2565: Defines a "managed_file" Form API field and a "file" field for Field module.

Code

function file_is_writeable($file) {
  $scheme = file_uri_scheme($file->uri);
  $wrappers = file_get_stream_wrappers(STREAM_WRAPPERS_WRITE_VISIBLE);
  return !empty($wrappers[$scheme]);
}