Saves a file object to the database.
If the $file->fid is not set a new record will be added.
$file: A file object returned by file_load().
The updated file object.
function file_save(stdClass $file) {
$file->timestamp = REQUEST_TIME;
$file->filesize = filesize($file->uri);
// Load the stored entity, if any.
if (!empty($file->fid) && !isset($file->original)) {
$file->original = entity_load_unchanged('file', $file->fid);
}
module_invoke_all('file_presave', $file);
module_invoke_all('entity_presave', $file, 'file');
if (empty($file->fid)) {
drupal_write_record('file_managed', $file);
// Inform modules about the newly added file.
module_invoke_all('file_insert', $file);
module_invoke_all('entity_insert', $file, 'file');
}
else {
drupal_write_record('file_managed', $file, 'fid');
// Inform modules that the file has been updated.
module_invoke_all('file_update', $file);
module_invoke_all('entity_update', $file, 'file');
}
// Clear internal properties.
unset($file->original);
// Clear the static loading cache.
entity_get_controller('file')
->resetCache(array(
$file->fid,
));
return $file;
}