Small array wrapper

ArrayWrapper.php

<?php

class ArrayWrapper
{
    private $array;

    /**
     * Constructor
     *
     * @param  array $array
     */
    public function __construct(array $array)
    {
        $this->array = $array;
    }

    /**
     * Returns the value at the specified path or the default value when it
     * does not exist
     *
     * @param  array $path
     * @param  mixed $default
     *
     * @return mixed
     */
    public function get($path, $default = null)
    {
        $data = $this->array;
        foreach (explode('.', $path) as $part) {
            if (array_key_exists($part, $data)) {
                $data = $data[$part];
            } else {
                return $default;
            }
        }

        return $data;
    }

    /**
     * Indicates whether the specified path exists
     *
     * @param  array $path
     *
     * @return Boolean
     */
    public function has($path)
    {
        $data = $this->array;
        foreach (explode('.', $path) as $part) {
            if (array_key_exists($part, $data)) {
                $data = $data[$part];
            } else {
                return false;
            }
        }

        return true;
    }
}