Code Coverage for lib/Json.php

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