Respond to a file being updated.

This hook is called when file_save() is called on an existing file.

Parameters

$file: The file that has just been updated.

See also

file_save()

Related topics

2 functions implement hook_file_update()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

entity_crud_hook_test_file_update in modules/simpletest/tests/entity_crud_hook_test.module

Implements hook_file_update().

file_test_file_update in modules/simpletest/tests/file_test.module

Implements hook_file_update().

1 invocation of hook_file_update()

file_save in includes/file.inc

Saves a file object to the database.

File

modules/system/system.api.php, line 2922

Code

function hook_file_update($file) {
    $file_user = user_load($file->uid);
    // Make sure that the file name starts with the owner's user name.
    if (strpos($file->filename, $file_user->name) !== 0) {
        $old_filename = $file->filename;
        $file->filename = $file_user->name . '_' . $file->filename;
        $file->save();
        watchdog('file', t('%source has been renamed to %destination', array(
            '%source' => $old_filename,
            '%destination' => $file->filename,
        )));
    }
}

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