Code Coverage for lib/Json.php

1	<?php
2	/**
3	* PrivateBin
4	*
5	* a zero-knowledge paste bin
6	*
7	* @link https://github.com/PrivateBin/PrivateBin
8	* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
9	* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
10	* @version 1.7.0
11	*/
12
13	namespace PrivateBin;
14
15	use Exception;
16
17	/**
18	* Json
19	*
20	* Provides JSON functions in an object oriented way.
21	*/
22	class Json
23	{
24	/**
25	* Returns a string containing the JSON representation of the given input
26	*
27	* @access public
28	* @static
29	* @param mixed $input
30	* @throws Exception
31	* @return string
32	*/
33	public static function encode($input)
34	{
35	$jsonString = json_encode($input);
36	self::_detectError();
37	return $jsonString;
38	}
39
40	/**
41	* Returns an array with the contents as described in the given JSON input
42	*
43	* @access public
44	* @static
45	* @param string $input
46	* @throws Exception
47	* @return mixed
48	*/
49	public static function decode($input)
50	{
51	$output = json_decode($input, true);
52	self::_detectError();
53	return $output;
54	}
55
56	/**
57	* Detects JSON errors and raises an exception if one is found
58	*
59	* @access private
60	* @static
61	* @throws Exception
62	* @return void
63	*/
64	private static function _detectError()
65	{
66	$errorCode = json_last_error();
67	if ($errorCode === JSON_ERROR_NONE) {
68	return;
69	}
70
71	$message = 'A JSON error occurred';
72	if (function_exists('json_last_error_msg')) {
73	$message .= ': ' . json_last_error_msg();
74	}
75	$message .= ' (' . $errorCode . ')';
76	throw new Exception($message, 90);
77	}
78	}