Block/Post/PostList.php
public function getIdentities()
    {
        $identities = [];

        foreach ($this->getPostCollection() as $post) {
            $identities = array_merge($identities, $post->getIdentities());
        }

        return $identities;
    }
public function getIdentities()
    {
        $identities = [];

        foreach ($this->getPostCollection() as $post) {
            $identities = array_merge($identities, $post->getIdentities());
        }

        return $identities;
    }
public function getIdentities ( ) { $ identities = [ ] ; foreach ( $ this -> getPostCollection ( ) as $ post ) { $ identities = array_merge ( $ identities , $ post -> getIdentities ( ) ) ; } return $ identities ; }
Return identifiers for post content.

@return array
Return identifiers for post content .