fkooman\RemoteStorage\Base64\Base64

Complexity

Total Complexity

6

Size/Duplication

Total Lines	41
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	encode()	0	8	2
A	decode()	0	15	4

<?php

/**
 * Copyright 2015 François Kooman <fkooman@tuxed.net>.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace fkooman\RemoteStorage\Base64;

use InvalidArgumentException;

class Base64
{
    /**
     * Encode to base64.
     *
     * @param string $data the data to encode
     *
     * @return string the encoded data
     */
    public static function encode($data)
    {
        if (!is_string($data)) {
            throw new InvalidArgumentException('data must be string');
        }

        return base64_encode($data);
    }

    /**
     * Decode base64.
     *
     * @param string $data the data to decode
     *
     * @return string the decoded data
     */
    public static function decode($data)
    {
        if (!is_string($data)) {
            throw new InvalidArgumentException('data must be string');
        }
        if (1 === strlen($data) % 4) {
            throw new InvalidArgumentException('invalid base64 string length');
        }
        $result = base64_decode($data, true);
        if (false === $result) {
            throw new InvalidArgumentException('invalid base64 string');
        }

        return $result;
    }
}