public function testContains()
{
$col = new Collection();
$this->assertFalse($col->contains('foo_1'), 'contains() returns false on an empty collection');
$data = array('bar1', 'bar2', 'bar3');
$col = new Collection($data);
$this->assertTrue($col->contains('bar1'), 'contains() returns true when the key exists');
$this->assertFalse($col->contains('bar4'), 'contains() returns false when the key does not exist');
}
/**
* Returns an array of objects present in the collection that
* are not presents in the given collection.
*
* @param Collection $collection A Propel collection.
* @return Collection An array of Propel objects from the collection that are not presents in the given collection.
*/
public function diff(Collection $collection)
{
$diff = clone $this;
$diff->clear();
foreach ($this as $object) {
if (!$collection->contains($object)) {
$diff[] = $object;
}
}
return $diff;
}
/**
* {@inheritdoc}
*/
public function contains($element)
{
if (!is_object($element)) {
return parent::contains($element);
}
return isset($this->indexSplHash[spl_object_hash($element)]) || isset($this->index[$element->hashCode()]);
}
/**
* {@inheritdoc}
*/
public function contains($element)
{
if ($element instanceof ActiveRecordInterface) {
if (null !== ($elt = $this->getIdenticalObject($element))) {
$element = $elt;
}
}
return parent::contains($element);
}