Tests if a Picture entity has already been voted by a specific User.

hasBeenVotedBy.php

<?php
 
/**
 * Tests if a Picture entity has already been voted by a specific User.
 *
 * @param Innteger $userId The User ID.
 * @return boolean TRUE if the predicate is TRUE for at least one element, FALSE otherwise.
 */
public function hasBeenVotedBy($userId)
{
    $predicate = function($key, $element) use ($userId){
        return $element->getUser()->getId() === intval($userId);
    };
 
    return $this->votes->exists($predicate);
}