/**
* Compare objects for sorting on publication date.
*
* @return int An integer used for sorting.
* @param SpoonFeedRSSItem $object1 The first element.
* @param SpoonFeedRSSItem $object2 The second element.
*/
private static function compareObjects(SpoonFeedRSSItem $object1, SpoonFeedRSSItem $object2)
{
// if the object have the same publicationdate there are equal
if ($object1->getPublicationDate() == $object2->getPublicationDate()) {
return 0;
}
// sort ascending
if (self::$sortingMethod == 'asc') {
// if the publication date is greater then the other return 1, so we known howto sort
if ($object1->getPublicationDate() > $object2->getPublicationDate()) {
return 1;
}
// if the publication date is smaller then the other return -1, so we known howto sort
if ($object1->getPublicationDate() < $object2->getPublicationDate()) {
return -1;
}
} else {
// if the publication date is greater then the other return -1, so we known howto sort
if ($object1->getPublicationDate() > $object2->getPublicationDate()) {
return -1;
}
// if the publication date is smaller then the other return 1, so we known howto sort
if ($object1->getPublicationDate() < $object2->getPublicationDate()) {
return 1;
}
}
}
