Método DataGet

DataGet.php

<?php

if (!function_exists('value')) {
    /**
     * Return the default value of the given value.
     *
     * @param  mixed $value
     * @return mixed
     */
    function value($value)
    {
        return $value instanceof Closure ? $value() : $value;
    }
}

if (! function_exists('array_accessible')) {
    /**
     * Determine whether the given value is array accessible.
     *
     * @param  mixed  $value
     *
     * @return bool
     */
    function array_accessible($value)
    {
        return is_array($value) || $value instanceof ArrayAccess;
    }
}

if (! function_exists('array_exists')) {
    /**
     * Determine if the given key exists in the provided array.
     *
     * @param  \ArrayAccess|array  $array
     * @param  string|int  $key
     *
     * @return bool
     */
    function array_exists($array, $key)
    {
        if ($array instanceof ArrayAccess) {
            return $array->offsetExists($key);
        }

        return array_key_exists($key, $array);
    }
}

if (! function_exists('data_get')) {
    /**
     * Get an item from an array or object using "dot" notation.
     *
     * @param  mixed  $target
     * @param  string|array|int|null  $key
     * @param  mixed  $default
     * @return mixed
     */
    function data_get($target, $key, $default = null)
    {
        if (is_null($key)) {
            return $target;
        }

        $key = is_array($key) ? $key : explode('.', $key);

        foreach ($key as $i => $segment) {
            unset($key[$i]);

            if (is_null($segment)) {
                return $target;
            }

            if ($segment === '*') {
                if (! is_array($target)) {
                    return value($default);
                }

                $result = array();

                foreach ($target as $item) {
                    $result[] = data_get($item, $key);
                }

                return in_array('*', $key) ? array_collapse($result) : $result;
            }

            if (array_accessible($target) && array_exists($target, $segment)) {
                $target = $target[$segment];
            } elseif (is_object($target) && isset($target->{$segment})) {
                $target = $target->{$segment};
            } else {
                return value($default);
            }
        }

        return $target;
    }
}

$arrayTeste = array(
    "propA" => array(
        "propB" => (object) array(
            "propC" => array(
                "hello" => "Hello World Array",    
            ),
        ),
    ),  
);


$arrayTeste2 = array(
    "propA" => array(
        "propB" => (object) array(
            "propC" => null,
        ),
    ),  
);


$objetoTeste = (object) array(
    "propA" => array(
        "propB" => array(
            "propC" => (object) array(
                 "hello" => "Hello World Objeto",    
            ),
        ),
    ), 
);

$objetoTeste2 = (object) array(
    "propA" => array(
        "propB" => array(
            "propC" => (object) array(),
        ),
    ), 
);


echo data_get($arrayTeste, 'propA.propB.propC.hello', 'Não achou no $arrayTeste');
echo '                 ';
echo data_get($objetoTeste, 'propA.propB.propC.hello', 'Não achou no $objetoTeste');
echo '                 ';
echo data_get($arrayTeste2, 'propA.propB.propC.hello', 'Não achou no $arrayTeste2');
echo '                 ';
echo data_get($objetoTeste2, 'propA.propB.propC.hello', 'Não achou no $objetoTeste2');