src/Collection.php
public function getElementById($id)
    {
        $id = $this->getTrueId($id);

        if ($id === false) {
            // Throw something
            return;
        }

        return $this->objects[$id];
    }
public function getElementById($id)
    {
        $id = $this->getTrueId($id);

        if ($id === false) {
            // Throw something
            return;
        }

        return $this->objects[$id];
    }
Get an element by its ID

@param  string|int $id
@return ElementInterface