|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Nip\Utility; |
|
4
|
|
|
|
|
5
|
|
|
use InvalidArgumentException; |
|
6
|
|
|
use PHPUnit\Framework\Exception; |
|
7
|
|
|
|
|
8
|
|
|
/** |
|
9
|
|
|
* Class Json |
|
10
|
|
|
* @package Nip\Utility |
|
11
|
|
|
* |
|
12
|
|
|
* @inspiration https://github.com/yiisoft/yii2/blob/ff0760142d768b03e192098d94a3c0edc2710990/framework/helpers/BaseJson.php |
|
13
|
|
|
* @inspiration https://github.com/ARCANEDEV/JSON |
|
14
|
|
|
* @inspiration https://github.com/nette/utils/blob/master/src/Utils/Json.php |
|
15
|
|
|
*/ |
|
16
|
|
|
class Json |
|
17
|
|
|
{ |
|
18
|
|
|
/** |
|
19
|
|
|
* List of JSON Error messages assigned to constant names for better handling of version differences. |
|
20
|
|
|
* @var array |
|
21
|
|
|
* @since 2.0.7 |
|
22
|
|
|
*/ |
|
23
|
|
|
public static $jsonErrorMessages = [ |
|
24
|
|
|
'JSON_ERROR_DEPTH' => 'The maximum stack depth has been exceeded.', |
|
25
|
|
|
'JSON_ERROR_STATE_MISMATCH' => 'Invalid or malformed JSON.', |
|
26
|
|
|
'JSON_ERROR_CTRL_CHAR' => 'Control character error, possibly incorrectly encoded.', |
|
27
|
|
|
'JSON_ERROR_SYNTAX' => 'Syntax error.', |
|
28
|
|
|
'JSON_ERROR_UTF8' => 'Malformed UTF-8 characters, possibly incorrectly encoded.', // PHP 5.3.3 |
|
29
|
|
|
'JSON_ERROR_RECURSION' => 'One or more recursive references in the value to be encoded.', // PHP 5.5.0 |
|
30
|
|
|
'JSON_ERROR_INF_OR_NAN' => 'One or more NAN or INF values in the value to be encoded', // PHP 5.5.0 |
|
31
|
|
|
'JSON_ERROR_UNSUPPORTED_TYPE' => 'A value of a type that cannot be encoded was given', // PHP 5.5.0 |
|
32
|
|
|
]; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Encodes the given value into a JSON string. |
|
36
|
|
|
* |
|
37
|
|
|
* The method enhances `json_encode()` by supporting JavaScript expressions. |
|
38
|
|
|
* In particular, the method will not encode a JavaScript expression that is |
|
39
|
|
|
* represented in terms of a [[JsExpression]] object. |
|
40
|
|
|
* |
|
41
|
|
|
* Note that data encoded as JSON must be UTF-8 encoded according to the JSON specification. |
|
42
|
|
|
* You must ensure strings passed to this method have proper encoding before passing them. |
|
43
|
|
|
* |
|
44
|
|
|
* @param mixed $value the data to be encoded. |
|
45
|
|
|
* @param int $options the encoding options. For more details please refer to |
|
46
|
|
|
* <https://secure.php.net/manual/en/function.json-encode.php>. Default is `JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE`. |
|
47
|
|
|
* @return string the encoding result. |
|
48
|
|
|
* @throws InvalidArgumentException if there is any encoding error. |
|
49
|
|
|
*/ |
|
50
|
|
|
public static function encode($value, int $options = 320) |
|
51
|
|
|
{ |
|
52
|
|
|
$expressions = []; |
|
53
|
|
|
$value = static::processData($value, $expressions, uniqid('', true)); |
|
54
|
|
|
set_error_handler(function () { |
|
55
|
|
|
static::handleJsonError(JSON_ERROR_SYNTAX); |
|
56
|
|
|
}, E_WARNING); |
|
57
|
|
|
$json = json_encode($value, $options); |
|
58
|
|
|
restore_error_handler(); |
|
59
|
|
|
static::handleJsonError(json_last_error()); |
|
60
|
|
|
|
|
61
|
|
|
return $expressions === [] ? $json : strtr($json, $expressions); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Encodes the given value into a JSON string HTML-escaping entities so it is safe to be embedded in HTML code. |
|
66
|
|
|
* |
|
67
|
|
|
* The method enhances `json_encode()` by supporting JavaScript expressions. |
|
68
|
|
|
* In particular, the method will not encode a JavaScript expression that is |
|
69
|
|
|
* represented in terms of a [[JsExpression]] object. |
|
70
|
|
|
* |
|
71
|
|
|
* Note that data encoded as JSON must be UTF-8 encoded according to the JSON specification. |
|
72
|
|
|
* You must ensure strings passed to this method have proper encoding before passing them. |
|
73
|
|
|
* |
|
74
|
|
|
* @param mixed $value the data to be encoded |
|
75
|
|
|
* @return string the encoding result |
|
76
|
|
|
* @since 2.0.4 |
|
77
|
|
|
* @throws InvalidArgumentException if there is any encoding error |
|
78
|
|
|
*/ |
|
79
|
|
|
public static function htmlEncode($value) |
|
80
|
|
|
{ |
|
81
|
|
|
return static::encode($value, JSON_UNESCAPED_UNICODE | JSON_HEX_QUOT | JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Decodes the given JSON string into a PHP data structure. |
|
87
|
|
|
* @param string $json the JSON string to be decoded |
|
88
|
|
|
* @param bool $asArray whether to return objects in terms of associative arrays. |
|
89
|
|
|
* @return mixed the PHP data |
|
90
|
|
|
* @throws InvalidArgumentException if there is any decoding error |
|
91
|
|
|
*/ |
|
92
|
|
|
public static function decode($json, $asArray = true) |
|
93
|
|
|
{ |
|
94
|
|
|
if (is_array($json)) { |
|
|
|
|
|
|
95
|
|
|
throw new InvalidArgumentException('Invalid JSON data.'); |
|
96
|
|
|
} elseif ($json === null || $json === '') { |
|
97
|
|
|
return null; |
|
98
|
|
|
} |
|
99
|
|
|
$decode = json_decode((string) $json, $asArray); |
|
100
|
|
|
static::handleJsonError(json_last_error()); |
|
101
|
|
|
|
|
102
|
|
|
return $decode; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* Handles [[encode()]] and [[decode()]] errors by throwing exceptions with the respective error message. |
|
107
|
|
|
* |
|
108
|
|
|
* @param int $lastError error code from [json_last_error()](https://secure.php.net/manual/en/function.json-last-error.php). |
|
109
|
|
|
* @throws InvalidArgumentException if there is any encoding/decoding error. |
|
110
|
|
|
* @since 2.0.6 |
|
111
|
|
|
*/ |
|
112
|
|
|
protected static function handleJsonError($lastError) |
|
113
|
|
|
{ |
|
114
|
|
|
if ($lastError === JSON_ERROR_NONE) { |
|
115
|
|
|
return; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
$availableErrors = []; |
|
119
|
|
|
foreach (static::$jsonErrorMessages as $const => $message) { |
|
120
|
|
|
if (defined($const)) { |
|
121
|
|
|
$availableErrors[constant($const)] = $message; |
|
122
|
|
|
} |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
if (isset($availableErrors[$lastError])) { |
|
126
|
|
|
throw new InvalidArgumentException($availableErrors[$lastError], $lastError); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
throw new InvalidArgumentException('Unknown JSON encoding/decoding error.'); |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
/** |
|
133
|
|
|
* Pre-processes the data before sending it to `json_encode()`. |
|
134
|
|
|
* @param mixed $data the data to be processed |
|
135
|
|
|
* @param array $expressions collection of JavaScript expressions |
|
136
|
|
|
* @param string $expPrefix a prefix internally used to handle JS expressions |
|
137
|
|
|
* @return mixed the processed data |
|
138
|
|
|
*/ |
|
139
|
|
|
protected static function processData($data, &$expressions, $expPrefix) |
|
140
|
|
|
{ |
|
141
|
|
|
if (is_object($data)) { |
|
142
|
|
|
|
|
143
|
|
|
if ($data instanceof \JsonSerializable) { |
|
144
|
|
|
return static::processData($data->jsonSerialize(), $expressions, $expPrefix); |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
if ($data instanceof \DateTimeInterface) { |
|
148
|
|
|
return static::processData((array)$data, $expressions, $expPrefix); |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
|
|
if (method_exists($data, 'toArray')) { |
|
152
|
|
|
$data = $data->toArray(); |
|
153
|
|
|
} elseif ($data instanceof \SimpleXMLElement) { |
|
154
|
|
|
$data = (array) $data; |
|
155
|
|
|
} else { |
|
156
|
|
|
$result = []; |
|
157
|
|
|
foreach ($data as $name => $value) { |
|
158
|
|
|
$result[$name] = $value; |
|
159
|
|
|
} |
|
160
|
|
|
$data = $result; |
|
161
|
|
|
} |
|
162
|
|
|
|
|
163
|
|
|
if ($data === []) { |
|
164
|
|
|
return new \stdClass(); |
|
165
|
|
|
} |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
|
|
if (is_array($data)) { |
|
169
|
|
|
foreach ($data as $key => $value) { |
|
170
|
|
|
if (is_array($value) || is_object($value)) { |
|
171
|
|
|
$data[$key] = static::processData($value, $expressions, $expPrefix); |
|
172
|
|
|
} |
|
173
|
|
|
} |
|
174
|
|
|
} |
|
175
|
|
|
|
|
176
|
|
|
return $data; |
|
177
|
|
|
} |
|
178
|
|
|
/** |
|
179
|
|
|
* Prettify json string |
|
180
|
|
|
*/ |
|
181
|
|
|
public static function prettify(string $json): string |
|
182
|
|
|
{ |
|
183
|
|
|
$decodedJson = json_decode($json, false); |
|
184
|
|
|
|
|
185
|
|
|
if (json_last_error()) { |
|
186
|
|
|
throw new Exception( |
|
187
|
|
|
'Cannot prettify invalid json' |
|
188
|
|
|
); |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
return json_encode($decodedJson, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
|
192
|
|
|
} |
|
193
|
|
|
} |