src/Robo/Datastore/FileStore.php
public function keys() {
    $root = $this->directory;
    if (file_exists($root) && is_readable($root)) {
      return array_diff(scandir($root), array('..', '.'));
    }
    return [];
  }
public function keys() {
    $root = $this->directory;
    if (file_exists($root) && is_readable($root)) {
      return array_diff(scandir($root), array('..', '.'));
    }
    return [];
  }
public function keys ( ) { $ root = $ this -> directory ; if ( file_exists ( $ root ) && is_readable ( $ root ) ) { return array_diff ( scandir ( $ root ) , array ( '..' , '.' ) ) ; } return [ ] ; }
Return a list of all keys in the store.

@return array A list of keys
Return a list of all keys in the store .