WTF collection

Collection.php

<?php
class Collection
{
    /**
    * Gets an item from the collection
    *
    * @param $item
    * @return string|null
    */
    public function get($item)
    {
        if ($key = array_search($item, $this->toArray())) {
            return parent::offsetGet($key);
        }
         
        return null;
    }
}