public function EntityDependencyIterator::valid in Entity Dependency API 7

Checks if current position is valid.

Return value

boolean

File

./EntityDependencyIterator.inc, line 276

Entity Dependency classes.

Class

EntityDependencyIterator

Iterator class which does the heavy lifting for detecting dependencies.

Code

public function valid() {
  $current = current($this->entities);
  if (!empty($current) && is_array($current) && isset($current['type']) && isset($current['id']) && !isset($this->traversed[$current['type']][$current['id']])) {
    $this->current = $current;
    return TRUE;
  }
  return FALSE;
}