src/Drivers/DriverTrait.php
protected function entityReferenceSearch($value, $entity) {
    if (!is_array($value) && !($value instanceof Traversable)) {
      return false;
    }
    if (!isset($entity)) {
      throw new Exceptions\InvalidParametersException();
    }
    // Get the GUID, if the passed $entity is an object.
    if (is_array($entity)) {
      foreach ($entity as &$curEntity) {
        if (is_object($curEntity)) {
          $curEntity = $curEntity->guid;
        }
      }
      unset($curEntity);
    } elseif (is_object($entity)) {
      $entity = [$entity->guid];
    } else {
      $entity = [(int) $entity];
    }
    if (isset($value[0]) && $value[0] === 'nymph_entity_reference') {
      return in_array($value[1], $entity);
    } else {
      // Search through multidimensional arrays looking for the reference.
      foreach ($value as $curValue) {
        if ($this->entityReferenceSearch($curValue, $entity)) {
          return true;
        }
      }
    }
    return false;
  }
protected function entityReferenceSearch($value, $entity) {
    if (!is_array($value) && !($value instanceof Traversable)) {
      return false;
    }
    if (!isset($entity)) {
      throw new Exceptions\InvalidParametersException();
    }
    // Get the GUID, if the passed $entity is an object.
    if (is_array($entity)) {
      foreach ($entity as &$curEntity) {
        if (is_object($curEntity)) {
          $curEntity = $curEntity->guid;
        }
      }
      unset($curEntity);
    } elseif (is_object($entity)) {
      $entity = [$entity->guid];
    } else {
      $entity = [(int) $entity];
    }
    if (isset($value[0]) && $value[0] === 'nymph_entity_reference') {
      return in_array($value[1], $entity);
    } else {
      // Search through multidimensional arrays looking for the reference.
      foreach ($value as $curValue) {
        if ($this->entityReferenceSearch($curValue, $entity)) {
          return true;
        }
      }
    }
    return false;
  }
protected function entityReferenceSearch ( $ value , $ entity ) { if ( ! is_array ( $ value ) && ! ( $ value instanceof Traversable ) ) { return false ; } if ( ! isset ( $ entity ) ) { throw new Exceptions \ InvalidParametersException ( ) ; } // Get the GUID, if the passed $entity is an object. if ( is_array ( $ entity ) ) { foreach ( $ entity as & $ curEntity ) { if ( is_object ( $ curEntity ) ) { $ curEntity = $ curEntity -> guid ; } } unset ( $ curEntity ) ; } elseif ( is_object ( $ entity ) ) { $ entity = [ $ entity -> guid ] ; } else { $ entity = [ ( int ) $ entity ] ; } if ( isset ( $ value [ 0 ] ) && $ value [ 0 ] === 'nymph_entity_reference' ) { return in_array ( $ value [ 1 ] , $ entity ) ; } else { // Search through multidimensional arrays looking for the reference. foreach ( $ value as $ curValue ) { if ( $ this -> entityReferenceSearch ( $ curValue , $ entity ) ) { return true ; } } } return false ; }
Search through a value for an entity reference.

@param mixed $value Any value to search.
@param array|Entity|int $entity An entity, GUID, or array of either to
search for.
@return bool True if the reference is found, false otherwise.
@access protected
Search through a value for an entity reference .