JsonSerializer - Code Metrics - Inspection of "Merge pull request #33 from zumba/undeclared-prope..." - zumba/json-serializer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ae8347...b7415a )

by Juan

created 2018-02-07 18:14 UTC

JsonSerializer D

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	500
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
wmc	81
c	2
b	1
f	0
lcom	1
cbo	1
dl	0
loc	500
rs	4.8717

17 Methods

Rating	Name	Size	Complexity
A	__construct()	6	1
B	serialize()	19	6
A	calculateEncodeOptions()	8	2
C	encodeNonUtf8ToUtf8()	41	11
A	processEncodedValue()	7	2
A	unserialize()	14	4
A	setUnserializeUndeclaredPropertyMode()	13	2
D	serializeData()	27	10
B	serializeObject()	25	4
A	getObjectProperties()	12	3
A	extractObjectData()	14	3
B	unserializeData()	19	6
C	decodeNonUtf8FromUtf8()	36	11
C	unserializeObject()	63	13
A	isSplList()	4	1
A	restoreUsingUnserialize()	6	1
A	reset()	6	1

How to fix Complexity

<?php

namespace Zumba\JsonSerializer;

use InvalidArgumentException;
use ReflectionClass;
use ReflectionException;
use SplObjectStorage;
use Zumba\JsonSerializer\Exception\JsonSerializerException;
use SuperClosure\SerializerInterface as ClosureSerializerInterface;

class JsonSerializer
{

    const CLASS_IDENTIFIER_KEY = '@type';
    const CLOSURE_IDENTIFIER_KEY = '@closure';
    const UTF8ENCODED_IDENTIFIER_KEY = '@utf8encoded';
    const SCALAR_IDENTIFIER_KEY = '@scalar';
    const FLOAT_ADAPTER = 'JsonSerializerFloatAdapter';

    const KEY_UTF8ENCODED = 1;
    const VALUE_UTF8ENCODED = 2;

    const UNDECLARED_PROPERTY_MODE_SET = 1;
    const UNDECLARED_PROPERTY_MODE_IGNORE = 2;
    const UNDECLARED_PROPERTY_MODE_EXCEPTION = 3;

    /**
     * Storage for object
     *
     * Used for recursion
     *
     * @var SplObjectStorage
     */
    protected $objectStorage;

    /**
     * Object mapping for recursion
     *
     * @var array
     */
    protected $objectMapping = array();

    /**
     * Object mapping index
     *
     * @var integer
     */
    protected $objectMappingIndex = 0;

    /**
     * Support PRESERVE_ZERO_FRACTION json option
     *
     * @var boolean
     */
    protected $preserveZeroFractionSupport;

    /**
     * Closure serializer instance
     *
     * @var ClosureSerializerInterface
     */
    protected $closureSerializer;

    /**
     * Map of custom object serializers
     *
     * @var array
     */
    protected $customObjectSerializerMap;

    /**
     * Undefined Attribute Mode
     *
     * @var integer
     */
    protected $undefinedAttributeMode = self::UNDECLARED_PROPERTY_MODE_SET;

    /**
     * Constructor.
     *
     * @param ClosureSerializerInterface $closureSerializer
     * @param array $customObjectSerializerMap
     */
    public function __construct(ClosureSerializerInterface $closureSerializer = null, $customObjectSerializerMap = array())
    {
        $this->preserveZeroFractionSupport = defined('JSON_PRESERVE_ZERO_FRACTION');
        $this->closureSerializer = $closureSerializer;
        $this->customObjectSerializerMap = (array)$customObjectSerializerMap;
    }

    /**
     * Serialize the value in JSON
     *
     * @param mixed $value
     * @return string JSON encoded
     * @throws JsonSerializerException
     */
    public function serialize($value)
    {
        $this->reset();
        $serializedData = $this->serializeData($value);
        $encoded = json_encode($serializedData, $this->calculateEncodeOptions());
        if ($encoded === false || json_last_error() != JSON_ERROR_NONE) {
            if (json_last_error() != JSON_ERROR_UTF8) {
                throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
            }

            $serializedData = $this->encodeNonUtf8ToUtf8($serializedData);
            $encoded = json_encode($serializedData, $this->calculateEncodeOptions());

            if ($encoded === false || json_last_error() != JSON_ERROR_NONE) {
                throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
            }
        }
        return $this->processEncodedValue($encoded);
    }

    /**
     * Calculate encoding options
     *
     * @return integer
     */
    protected function calculateEncodeOptions()
    {
        $options = JSON_UNESCAPED_UNICODE;
        if ($this->preserveZeroFractionSupport) {
            $options |= JSON_PRESERVE_ZERO_FRACTION;
        }
        return $options;
    }

    /**
     * @param mixed $serializedData
     *
     * @return array
     */
    protected function encodeNonUtf8ToUtf8($serializedData)
    {
        if (is_string($serializedData)) {
            if (!mb_check_encoding($serializedData, 'UTF-8')) {
                $serializedData = [
                    static::SCALAR_IDENTIFIER_KEY => mb_convert_encoding($serializedData, 'UTF-8', '8bit'),
                    static::UTF8ENCODED_IDENTIFIER_KEY => static::VALUE_UTF8ENCODED,
                ];
            }

            return $serializedData;
        }

        $encodedKeys = [];
        $encodedData = [];
        foreach ($serializedData as $key => $value) {
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
            if (is_array($value)) {
                $value = $this->encodeNonUtf8ToUtf8($value);
            }

            if (!mb_check_encoding($key, 'UTF-8')) {
                $key = mb_convert_encoding($key, 'UTF-8', '8bit');
                $encodedKeys[$key] = (isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0) | static::KEY_UTF8ENCODED;
            }

            if (is_string($value)) {
                if (!mb_check_encoding($value, 'UTF-8')) {
                    $value = mb_convert_encoding($value, 'UTF-8', '8bit');
                    $encodedKeys[$key] = (isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0) | static::VALUE_UTF8ENCODED;
                }
            }

            $encodedData[$key] = $value;
        }

        if ($encodedKeys) {

            $encodedData[self::UTF8ENCODED_IDENTIFIER_KEY] = $encodedKeys;
        }

        return $encodedData;
    }

    /**
     * Execute post-encoding actions
     *
     * @param string $encoded
     * @return string
     */
    protected function processEncodedValue($encoded)
    {
        if (!$this->preserveZeroFractionSupport) {
            $encoded = preg_replace('/"' . static::FLOAT_ADAPTER . '\((.*?)\)"/', '\1', $encoded);
        }
        return $encoded;
    }

    /**
     * Unserialize the value from JSON
     *
     * @param string $value
     * @return mixed
     */
    public function unserialize($value)
    {
        $this->reset();
        $data = json_decode($value, true);
        if ($data === null && json_last_error() != JSON_ERROR_NONE) {
            throw new JsonSerializerException('Invalid JSON to unserialize.');
        }

        if (mb_strpos($value, static::UTF8ENCODED_IDENTIFIER_KEY) !== false) {
            $data = $this->decodeNonUtf8FromUtf8($data);
        }

        return $this->unserializeData($data);
    }

    /**
     * Set unserialization mode for undeclared class properties
     *
     * @param integer $value One of the JsonSerializer::UNDECLARED_PROPERTY_MODE_*
     * @return self
     * @throws InvalidArgumentException When the value is not one of the UNDECLARED_PROPERTY_MODE_* options
     */
    public function setUnserializeUndeclaredPropertyMode($value)
    {
        $availableOptions = [
            static::UNDECLARED_PROPERTY_MODE_SET,
            static::UNDECLARED_PROPERTY_MODE_IGNORE,
            static::UNDECLARED_PROPERTY_MODE_EXCEPTION
        ];
        if (!in_array($value, $availableOptions)) {
            throw new InvalidArgumentException('Invalid value.');
        }
        $this->undefinedAttributeMode = $value;
        return $this;
    }

    /**
     * Parse the data to be json encoded
     *
     * @param mixed $value
     * @return mixed
     * @throws JsonSerializerException
     */
    protected function serializeData($value)
    {
        if (is_scalar($value) || $value === null) {
            if (!$this->preserveZeroFractionSupport && is_float($value) && ctype_digit((string)$value)) {
                // Because the PHP bug #50224, the float numbers with no
                // precision numbers are converted to integers when encoded
                $value = static::FLOAT_ADAPTER . '(' . $value . '.0)';
            }
            return $value;
        }
        if (is_resource($value)) {
            throw new JsonSerializerException('Resource is not supported in JsonSerializer');
        }
        if (is_array($value)) {
            return array_map(array($this, __FUNCTION__), $value);
        }
        if ($value instanceof \Closure) {
            if (!$this->closureSerializer) {
                throw new JsonSerializerException('Closure serializer not given. Unable to serialize closure.');
            }
            return array(
                static::CLOSURE_IDENTIFIER_KEY => true,
                'value' => $this->closureSerializer->serialize($value)
            );
        }
        return $this->serializeObject($value);
    }

    /**
     * Extract the data from an object
     *
     * @param object $value
     * @return array
     */
    protected function serializeObject($value)
    {
        if ($this->objectStorage->contains($value)) {
            return array(static::CLASS_IDENTIFIER_KEY => '@' . $this->objectStorage[$value]);
        }
        $this->objectStorage->attach($value, $this->objectMappingIndex++);

        $ref = new ReflectionClass($value);
        $className = $ref->getName();
        if (array_key_exists($className, $this->customObjectSerializerMap)) {
            $data = array(static::CLASS_IDENTIFIER_KEY => $className);
            $data += $this->customObjectSerializerMap[$className]->serialize($value);
            return $data;
        }

        $paramsToSerialize = $this->getObjectProperties($ref, $value);
        $data = array(static::CLASS_IDENTIFIER_KEY => $className);

        if($value instanceof \SplDoublyLinkedList){
            return $data + array('value' => $value->serialize());
        }

        $data += array_map(array($this, 'serializeData'), $this->extractObjectData($value, $ref, $paramsToSerialize));
        return $data;
    }

    /**
     * Return the list of properties to be serialized
     *
     * @param ReflectionClass $ref
     * @param object $value
     * @return array
     */
    protected function getObjectProperties($ref, $value)
    {
        if (method_exists($value, '__sleep')) {
            return $value->__sleep();
        }

        $props = array();
        foreach ($ref->getProperties() as $prop) {
            $props[] = $prop->getName();
        }
        return array_unique(array_merge($props, array_keys(get_object_vars($value))));
    }

    /**
     * Extract the object data
     *
     * @param object $value
     * @param ReflectionClass $ref
     * @param array $properties
     * @return array
     */
    protected function extractObjectData($value, $ref, $properties)
    {
        $data = array();
        foreach ($properties as $property) {
            try {
                $propRef = $ref->getProperty($property);
                $propRef->setAccessible(true);
                $data[$property] = $propRef->getValue($value);
            } catch (ReflectionException $e) {
                $data[$property] = $value->$property;
            }
        }
        return $data;
    }

    /**
     * Parse the json decode to convert to objects again
     *
     * @param mixed $value
     * @return mixed
     */
    protected function unserializeData($value)
    {
        if (is_scalar($value) || $value === null) {
            return $value;
        }

        if (isset($value[static::CLASS_IDENTIFIER_KEY])) {
            return $this->unserializeObject($value);

        }

        if (!empty($value[static::CLOSURE_IDENTIFIER_KEY])) {
            if (!$this->closureSerializer) {
                throw new JsonSerializerException('Closure serializer not provided to unserialize closure');
            }
            return $this->closureSerializer->unserialize($value['value']);
        }

        return array_map(array($this, __FUNCTION__), $value);
    }

    /**
     * @param mixed $serializedData
     *
     * @return mixed
     */
    protected function decodeNonUtf8FromUtf8($serializedData)
    {
        if (is_array($serializedData) && isset($serializedData[static::SCALAR_IDENTIFIER_KEY])) {
            $serializedData = mb_convert_encoding($serializedData[static::SCALAR_IDENTIFIER_KEY], '8bit', 'UTF-8');
            return $serializedData;
        } elseif (is_scalar($serializedData) || $serializedData === null) {
            return $serializedData;
        }

        $encodedKeys = [];
        if (isset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY])) {
            $encodedKeys = $serializedData[static::UTF8ENCODED_IDENTIFIER_KEY];
            unset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY]);
        }

        $decodedData = [];
        foreach ($serializedData as $key => $value) {
            if (is_array($value)) {
                $value = $this->decodeNonUtf8FromUtf8($value);
            }

            if (isset($encodedKeys[$key])) {
                $originalKey = $key;
                if ($encodedKeys[$key] & static::KEY_UTF8ENCODED) {
                    $key = mb_convert_encoding($key, '8bit', 'UTF-8');
                }
                if ($encodedKeys[$originalKey] & static::VALUE_UTF8ENCODED) {
                    $value = mb_convert_encoding($value, '8bit', 'UTF-8');
                }
            }

            $decodedData[$key] = $value;
        }

        return $decodedData;
    }

    /**
     * Convert the serialized array into an object
     *
     * @param array $value
     * @return object
     * @throws JsonSerializerException
     */
    protected function unserializeObject($value)
    {
        $className = $value[static::CLASS_IDENTIFIER_KEY];
        unset($value[static::CLASS_IDENTIFIER_KEY]);

        if ($className[0] === '@') {
            $index = substr($className, 1);
            return $this->objectMapping[$index];
        }

        if (array_key_exists($className, $this->customObjectSerializerMap)) {
            $obj = $this->customObjectSerializerMap[$className]->unserialize($value);
            $this->objectMapping[$this->objectMappingIndex++] = $obj;
            return $obj;
        }

        if (!class_exists($className)) {
            throw new JsonSerializerException('Unable to find class ' . $className);
        }

        if ($className === 'DateTime') {
            $obj = $this->restoreUsingUnserialize($className, $value);
            $this->objectMapping[$this->objectMappingIndex++] = $obj;
            return $obj;
        }

        if (!$this->isSplList($className)) {
            $ref = new ReflectionClass($className);
            $obj = $ref->newInstanceWithoutConstructor();
        } else {
            $obj = new $className();
        }

        if ($obj instanceof \SplDoublyLinkedList ) {
            $obj->unserialize($value['value']);
            $this->objectMapping[$this->objectMappingIndex++] = $obj;
            return $obj;
        }

        $this->objectMapping[$this->objectMappingIndex++] = $obj;
        foreach ($value as $property => $propertyValue) {
            try {
                $propRef = $ref->getProperty($property);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $propRef->setAccessible(true);
                $propRef->setValue($obj, $this->unserializeData($propertyValue));
            } catch (ReflectionException $e) {
                switch ($this->undefinedAttributeMode) {
                case static::UNDECLARED_PROPERTY_MODE_SET:
                    $obj->$property = $this->unserializeData($propertyValue);
                    break;
                case static::UNDECLARED_PROPERTY_MODE_IGNORE:
                    break;
                case static::UNDECLARED_PROPERTY_MODE_EXCEPTION:
                    throw new JsonSerializerException('Undefined attribute detected during unserialization');
                    break;
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
                }
            }
        }
        if (method_exists($obj, '__wakeup')) {
            $obj->__wakeup();
        }
        return $obj;
    }

    /**
     * @return boolean
     */
    protected function isSplList($className)
    {
        return in_array($className, array('SplQueue', 'SplDoublyLinkedList', 'SplStack'));
    }

    protected function restoreUsingUnserialize($className, $attributes)
    {
        $obj = (object)$attributes;
        $serialized = preg_replace('|^O:\d+:"\w+":|', 'O:' . strlen($className) . ':"' . $className . '":', serialize($obj));
        return unserialize($serialized);
    }

    /**
     * Reset variables
     *
     * @return void
     */
    protected function reset()
    {
        $this->objectStorage = new SplObjectStorage();
        $this->objectMapping = array();
        $this->objectMappingIndex = 0;
    }
}


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Push — master ( ae8347...b7415a )

JsonSerializer D

Complexity

Size/Duplication

Coupling/Cohesion

Importance

17 Methods

How to fix Complexity

Complex Class

Available Fixes

1			<?php
2
3			namespace Zumba\JsonSerializer;
4
5			use InvalidArgumentException;
6			use ReflectionClass;
7			use ReflectionException;
8			use SplObjectStorage;
9			use Zumba\JsonSerializer\Exception\JsonSerializerException;
10			use SuperClosure\SerializerInterface as ClosureSerializerInterface;
11
12			class JsonSerializer
13			{
14
15			const CLASS_IDENTIFIER_KEY = '@type';
16			const CLOSURE_IDENTIFIER_KEY = '@closure';
17			const UTF8ENCODED_IDENTIFIER_KEY = '@utf8encoded';
18			const SCALAR_IDENTIFIER_KEY = '@scalar';
19			const FLOAT_ADAPTER = 'JsonSerializerFloatAdapter';
20
21			const KEY_UTF8ENCODED = 1;
22			const VALUE_UTF8ENCODED = 2;
23
24			const UNDECLARED_PROPERTY_MODE_SET = 1;
25			const UNDECLARED_PROPERTY_MODE_IGNORE = 2;
26			const UNDECLARED_PROPERTY_MODE_EXCEPTION = 3;
27
28			/**
29			* Storage for object
30			*
31			* Used for recursion
32			*
33			* @var SplObjectStorage
34			*/
35			protected $objectStorage;
36
37			/**
38			* Object mapping for recursion
39			*
40			* @var array
41			*/
42			protected $objectMapping = array();
43
44			/**
45			* Object mapping index
46			*
47			* @var integer
48			*/
49			protected $objectMappingIndex = 0;
50
51			/**
52			* Support PRESERVE_ZERO_FRACTION json option
53			*
54			* @var boolean
55			*/
56			protected $preserveZeroFractionSupport;
57
58			/**
59			* Closure serializer instance
60			*
61			* @var ClosureSerializerInterface
62			*/
63			protected $closureSerializer;
64
65			/**
66			* Map of custom object serializers
67			*
68			* @var array
69			*/
70			protected $customObjectSerializerMap;
71
72			/**
73			* Undefined Attribute Mode
74			*
75			* @var integer
76			*/
77			protected $undefinedAttributeMode = self::UNDECLARED_PROPERTY_MODE_SET;
78
79			/**
80			* Constructor.
81			*
82			* @param ClosureSerializerInterface $closureSerializer
83			* @param array $customObjectSerializerMap
84			*/
85			public function __construct(ClosureSerializerInterface $closureSerializer = null, $customObjectSerializerMap = array())
86			{
87			$this->preserveZeroFractionSupport = defined('JSON_PRESERVE_ZERO_FRACTION');
88			$this->closureSerializer = $closureSerializer;
89			$this->customObjectSerializerMap = (array)$customObjectSerializerMap;
90			}
91
92			/**
93			* Serialize the value in JSON
94			*
95			* @param mixed $value
96			* @return string JSON encoded
97			* @throws JsonSerializerException
98			*/
99			public function serialize($value)
100			{
101			$this->reset();
102			$serializedData = $this->serializeData($value);
103			$encoded = json_encode($serializedData, $this->calculateEncodeOptions());
104			if ($encoded === false \|\| json_last_error() != JSON_ERROR_NONE) {
105			if (json_last_error() != JSON_ERROR_UTF8) {
106			throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
107			}
108
109			$serializedData = $this->encodeNonUtf8ToUtf8($serializedData);
110			$encoded = json_encode($serializedData, $this->calculateEncodeOptions());
111
112			if ($encoded === false \|\| json_last_error() != JSON_ERROR_NONE) {
113			throw new JsonSerializerException('Invalid data to encode to JSON. Error: ' . json_last_error());
114			}
115			}
116			return $this->processEncodedValue($encoded);
117			}
118
119			/**
120			* Calculate encoding options
121			*
122			* @return integer
123			*/
124			protected function calculateEncodeOptions()
125			{
126			$options = JSON_UNESCAPED_UNICODE;
127			if ($this->preserveZeroFractionSupport) {
128			$options \|= JSON_PRESERVE_ZERO_FRACTION;
129			}
130			return $options;
131			}
132
133			/**
134			* @param mixed $serializedData
135			*
136			* @return array
137			*/
138			protected function encodeNonUtf8ToUtf8($serializedData)
139			{
140			if (is_string($serializedData)) {
141			if (!mb_check_encoding($serializedData, 'UTF-8')) {
142			$serializedData = [
143			static::SCALAR_IDENTIFIER_KEY => mb_convert_encoding($serializedData, 'UTF-8', '8bit'),
144			static::UTF8ENCODED_IDENTIFIER_KEY => static::VALUE_UTF8ENCODED,
145			];
146			}
147
148			return $serializedData;
149			}
150
151			$encodedKeys = [];
152			$encodedData = [];
153			foreach ($serializedData as $key => $value) {
			0 ignored issues – show Bug introduced 2016-06-07 11:42 UTC by Report Bug Copy Issue Report The expression `$serializedData` of type `object\|integer\|double\|null\|array\|boolean` is not guaranteed to be traversable. How about adding an additional type check? There are different options of fixing this problem. If you want to be on the safe side, you can add an additional type-check: $collection = json_decode($data, true); if ( ! is_array($collection)) { throw new \RuntimeException('$collection must be an array.'); } foreach ($collection as $item) { /** ... / } If you are sure that the expression is traversable, you might want to add a doc comment cast* to improve IDE auto-completion and static analysis: /** @var array $collection / $collection = json_decode($data, true); foreach ($collection as $item) { /* .. / } Mark the issue as a false-positive*: Just hover the remove button, in the top-right corner of this issue for more options. Loading history...
154			if (is_array($value)) {
155			$value = $this->encodeNonUtf8ToUtf8($value);
156			}
157
158			if (!mb_check_encoding($key, 'UTF-8')) {
159			$key = mb_convert_encoding($key, 'UTF-8', '8bit');
160			$encodedKeys[$key] = (isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0) \| static::KEY_UTF8ENCODED;
161			}
162
163			if (is_string($value)) {
164			if (!mb_check_encoding($value, 'UTF-8')) {
165			$value = mb_convert_encoding($value, 'UTF-8', '8bit');
166			$encodedKeys[$key] = (isset($encodedKeys[$key]) ? $encodedKeys[$key] : 0) \| static::VALUE_UTF8ENCODED;
167			}
168			}
169
170			$encodedData[$key] = $value;
171			}
172
173			if ($encodedKeys) {
			0 ignored issues – show Bug Best Practice introduced 2016-06-07 11:42 UTC by Report Bug Copy Issue Report The expression `$encodedKeys` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
174			$encodedData[self::UTF8ENCODED_IDENTIFIER_KEY] = $encodedKeys;
175			}
176
177			return $encodedData;
178			}
179
180			/**
181			* Execute post-encoding actions
182			*
183			* @param string $encoded
184			* @return string
185			*/
186			protected function processEncodedValue($encoded)
187			{
188			if (!$this->preserveZeroFractionSupport) {
189			$encoded = preg_replace('/"' . static::FLOAT_ADAPTER . '\((.*?)\)"/', '\1', $encoded);
190			}
191			return $encoded;
192			}
193
194			/**
195			* Unserialize the value from JSON
196			*
197			* @param string $value
198			* @return mixed
199			*/
200			public function unserialize($value)
201			{
202			$this->reset();
203			$data = json_decode($value, true);
204			if ($data === null && json_last_error() != JSON_ERROR_NONE) {
205			throw new JsonSerializerException('Invalid JSON to unserialize.');
206			}
207
208			if (mb_strpos($value, static::UTF8ENCODED_IDENTIFIER_KEY) !== false) {
209			$data = $this->decodeNonUtf8FromUtf8($data);
210			}
211
212			return $this->unserializeData($data);
213			}
214
215			/**
216			* Set unserialization mode for undeclared class properties
217			*
218			* @param integer $value One of the JsonSerializer::UNDECLARED_PROPERTY_MODE_*
219			* @return self
220			* @throws InvalidArgumentException When the value is not one of the UNDECLARED_PROPERTY_MODE_* options
221			*/
222			public function setUnserializeUndeclaredPropertyMode($value)
223			{
224			$availableOptions = [
225			static::UNDECLARED_PROPERTY_MODE_SET,
226			static::UNDECLARED_PROPERTY_MODE_IGNORE,
227			static::UNDECLARED_PROPERTY_MODE_EXCEPTION
228			];
229			if (!in_array($value, $availableOptions)) {
230			throw new InvalidArgumentException('Invalid value.');
231			}
232			$this->undefinedAttributeMode = $value;
233			return $this;
234			}
235
236			/**
237			* Parse the data to be json encoded
238			*
239			* @param mixed $value
240			* @return mixed
241			* @throws JsonSerializerException
242			*/
243			protected function serializeData($value)
244			{
245			if (is_scalar($value) \|\| $value === null) {
246			if (!$this->preserveZeroFractionSupport && is_float($value) && ctype_digit((string)$value)) {
247			// Because the PHP bug #50224, the float numbers with no
248			// precision numbers are converted to integers when encoded
249			$value = static::FLOAT_ADAPTER . '(' . $value . '.0)';
250			}
251			return $value;
252			}
253			if (is_resource($value)) {
254			throw new JsonSerializerException('Resource is not supported in JsonSerializer');
255			}
256			if (is_array($value)) {
257			return array_map(array($this, __FUNCTION__), $value);
258			}
259			if ($value instanceof \Closure) {
260			if (!$this->closureSerializer) {
261			throw new JsonSerializerException('Closure serializer not given. Unable to serialize closure.');
262			}
263			return array(
264			static::CLOSURE_IDENTIFIER_KEY => true,
265			'value' => $this->closureSerializer->serialize($value)
266			);
267			}
268			return $this->serializeObject($value);
269			}
270
271			/**
272			* Extract the data from an object
273			*
274			* @param object $value
275			* @return array
276			*/
277			protected function serializeObject($value)
278			{
279			if ($this->objectStorage->contains($value)) {
280			return array(static::CLASS_IDENTIFIER_KEY => '@' . $this->objectStorage[$value]);
281			}
282			$this->objectStorage->attach($value, $this->objectMappingIndex++);
283
284			$ref = new ReflectionClass($value);
285			$className = $ref->getName();
286			if (array_key_exists($className, $this->customObjectSerializerMap)) {
287			$data = array(static::CLASS_IDENTIFIER_KEY => $className);
288			$data += $this->customObjectSerializerMap[$className]->serialize($value);
289			return $data;
290			}
291
292			$paramsToSerialize = $this->getObjectProperties($ref, $value);
293			$data = array(static::CLASS_IDENTIFIER_KEY => $className);
294
295			if($value instanceof \SplDoublyLinkedList){
296			return $data + array('value' => $value->serialize());
297			}
298
299			$data += array_map(array($this, 'serializeData'), $this->extractObjectData($value, $ref, $paramsToSerialize));
300			return $data;
301			}
302
303			/**
304			* Return the list of properties to be serialized
305			*
306			* @param ReflectionClass $ref
307			* @param object $value
308			* @return array
309			*/
310			protected function getObjectProperties($ref, $value)
311			{
312			if (method_exists($value, '__sleep')) {
313			return $value->__sleep();
314			}
315
316			$props = array();
317			foreach ($ref->getProperties() as $prop) {
318			$props[] = $prop->getName();
319			}
320			return array_unique(array_merge($props, array_keys(get_object_vars($value))));
321			}
322
323			/**
324			* Extract the object data
325			*
326			* @param object $value
327			* @param ReflectionClass $ref
328			* @param array $properties
329			* @return array
330			*/
331			protected function extractObjectData($value, $ref, $properties)
332			{
333			$data = array();
334			foreach ($properties as $property) {
335			try {
336			$propRef = $ref->getProperty($property);
337			$propRef->setAccessible(true);
338			$data[$property] = $propRef->getValue($value);
339			} catch (ReflectionException $e) {
340			$data[$property] = $value->$property;
341			}
342			}
343			return $data;
344			}
345
346			/**
347			* Parse the json decode to convert to objects again
348			*
349			* @param mixed $value
350			* @return mixed
351			*/
352			protected function unserializeData($value)
353			{
354			if (is_scalar($value) \|\| $value === null) {
355			return $value;
356			}
357
358			if (isset($value[static::CLASS_IDENTIFIER_KEY])) {
359			return $this->unserializeObject($value);
			0 ignored issues – show Bug introduced 2016-06-02 20:40 UTC by Report Bug Copy Issue Report It seems like `$value` defined by parameter `$value` on line 352 can also be of type `object`; however, `Zumba\JsonSerializer\Jso...er::unserializeObject()` does only seem to accept `array`, maybe add an additional type check? This check looks at variables that have been passed in as parameters and are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
360			}
361
362			if (!empty($value[static::CLOSURE_IDENTIFIER_KEY])) {
363			if (!$this->closureSerializer) {
364			throw new JsonSerializerException('Closure serializer not provided to unserialize closure');
365			}
366			return $this->closureSerializer->unserialize($value['value']);
367			}
368
369			return array_map(array($this, __FUNCTION__), $value);
370			}
371
372			/**
373			* @param mixed $serializedData
374			*
375			* @return mixed
376			*/
377			protected function decodeNonUtf8FromUtf8($serializedData)
378			{
379			if (is_array($serializedData) && isset($serializedData[static::SCALAR_IDENTIFIER_KEY])) {
380			$serializedData = mb_convert_encoding($serializedData[static::SCALAR_IDENTIFIER_KEY], '8bit', 'UTF-8');
381			return $serializedData;
382			} elseif (is_scalar($serializedData) \|\| $serializedData === null) {
383			return $serializedData;
384			}
385
386			$encodedKeys = [];
387			if (isset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY])) {
388			$encodedKeys = $serializedData[static::UTF8ENCODED_IDENTIFIER_KEY];
389			unset($serializedData[static::UTF8ENCODED_IDENTIFIER_KEY]);
390			}
391
392			$decodedData = [];
393			foreach ($serializedData as $key => $value) {
394			if (is_array($value)) {
395			$value = $this->decodeNonUtf8FromUtf8($value);
396			}
397
398			if (isset($encodedKeys[$key])) {
399			$originalKey = $key;
400			if ($encodedKeys[$key] & static::KEY_UTF8ENCODED) {
401			$key = mb_convert_encoding($key, '8bit', 'UTF-8');
402			}
403			if ($encodedKeys[$originalKey] & static::VALUE_UTF8ENCODED) {
404			$value = mb_convert_encoding($value, '8bit', 'UTF-8');
405			}
406			}
407
408			$decodedData[$key] = $value;
409			}
410
411			return $decodedData;
412			}
413
414			/**
415			* Convert the serialized array into an object
416			*
417			* @param array $value
418			* @return object
419			* @throws JsonSerializerException
420			*/
421			protected function unserializeObject($value)
422			{
423			$className = $value[static::CLASS_IDENTIFIER_KEY];
424			unset($value[static::CLASS_IDENTIFIER_KEY]);
425
426			if ($className[0] === '@') {
427			$index = substr($className, 1);
428			return $this->objectMapping[$index];
429			}
430
431			if (array_key_exists($className, $this->customObjectSerializerMap)) {
432			$obj = $this->customObjectSerializerMap[$className]->unserialize($value);
433			$this->objectMapping[$this->objectMappingIndex++] = $obj;
434			return $obj;
435			}
436
437			if (!class_exists($className)) {
438			throw new JsonSerializerException('Unable to find class ' . $className);
439			}
440
441			if ($className === 'DateTime') {
442			$obj = $this->restoreUsingUnserialize($className, $value);
443			$this->objectMapping[$this->objectMappingIndex++] = $obj;
444			return $obj;
445			}
446
447			if (!$this->isSplList($className)) {
448			$ref = new ReflectionClass($className);
449			$obj = $ref->newInstanceWithoutConstructor();
450			} else {
451			$obj = new $className();
452			}
453
454			if ($obj instanceof \SplDoublyLinkedList ) {
455			$obj->unserialize($value['value']);
456			$this->objectMapping[$this->objectMappingIndex++] = $obj;
457			return $obj;
458			}
459
460			$this->objectMapping[$this->objectMappingIndex++] = $obj;
461			foreach ($value as $property => $propertyValue) {
462			try {
463			$propRef = $ref->getProperty($property);
			0 ignored issues – show Bug introduced 2016-09-03 14:19 UTC by Report Bug Copy Issue Report The variable `$ref` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
464			$propRef->setAccessible(true);
465			$propRef->setValue($obj, $this->unserializeData($propertyValue));
466			} catch (ReflectionException $e) {
467			switch ($this->undefinedAttributeMode) {
468			case static::UNDECLARED_PROPERTY_MODE_SET:
469			$obj->$property = $this->unserializeData($propertyValue);
470			break;
471			case static::UNDECLARED_PROPERTY_MODE_IGNORE:
472			break;
473			case static::UNDECLARED_PROPERTY_MODE_EXCEPTION:
474			throw new JsonSerializerException('Undefined attribute detected during unserialization');
475			break;
			0 ignored issues – show Unused Code introduced 2018-02-07 04:40 UTC by Report Bug Copy Issue Report `break;` does not seem to be reachable. This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed. Unreachable code is most often the result of `return`, `die` or `exit` statements that have been added for debug purposes. function fx() { try { doSomething(); return true; } catch (\Exception $e) { return false; } return false; } In the above example, the last `return false` will never be executed, because a return statement has already been met in every possible execution path. Loading history...
476			}
477			}
478			}
479			if (method_exists($obj, '__wakeup')) {
480			$obj->__wakeup();
481			}
482			return $obj;
483			}
484
485			/**
486			* @return boolean
487			*/
488			protected function isSplList($className)
489			{
490			return in_array($className, array('SplQueue', 'SplDoublyLinkedList', 'SplStack'));
491			}
492
493			protected function restoreUsingUnserialize($className, $attributes)
494			{
495			$obj = (object)$attributes;
496			$serialized = preg_replace('\|^O:\d+:"\w+":\|', 'O:' . strlen($className) . ':"' . $className . '":', serialize($obj));
497			return unserialize($serialized);
498			}
499
500			/**
501			* Reset variables
502			*
503			* @return void
504			*/
505			protected function reset()
506			{
507			$this->objectStorage = new SplObjectStorage();
508			$this->objectMapping = array();
509			$this->objectMappingIndex = 0;
510			}
511			}
512

zumba / json-serializer

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JsonSerializer D

Complexity

Size/Duplication

Coupling/Cohesion

Importance

17 Methods

How to fix Complexity

Complex Class

Available Fixes

Duplication Side-by-Side

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