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<?php |
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namespace SubjectivePHP\Psr\SimpleCache\Serializer; |
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use SubjectivePHP\Psr\SimpleCache\InvalidArgumentException; |
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/** |
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* Serializer implementation responsible for serializing and unserializing data to and from json. |
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*/ |
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final class JsonSerializer implements SerializerInterface |
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{ |
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/** |
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* @var boolean |
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*/ |
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private $decodeAsAssoc = true; |
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/** |
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* @var integer |
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*/ |
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private $encodeOptions = 0; |
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/** |
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* Construct a new JsonSerializer. |
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* |
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* @param boolean $decodeAsAssoc When TRUE, returned objects will be converted into associative arrays. |
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* @param integer $encodeOptions Bitmask consisting of json endoding options. |
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*/ |
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public function __construct(bool $decodeAsAssoc = true, int $encodeOptions = 0) |
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{ |
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$this->decodeAsAssoc = $decodeAsAssoc; |
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$this->encodeOptions = $encodeOptions; |
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} |
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/** |
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* Unserializes cached data into the original state. |
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* |
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* @param mixed $data The data to unserialize. |
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* |
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* @return mixed |
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* |
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* @throws InvalidArgumentException Thrown if the given value cannot be unserialized. |
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*/ |
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public function unserialize($data) |
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{ |
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try { |
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return json_decode($data, $this->decodeAsAssoc); |
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} finally { |
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$this->ensureJson(); |
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} |
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}//@codeCoverageIgnore |
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/** |
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* Serializes the given data for storage in caching. |
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* |
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* @param mixed $value The data to serialize for caching. |
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* |
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* @return mixed The result of serializing the given $data. |
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* |
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* @throws InvalidArgumentException Thrown if the given value cannot be serialized for caching. |
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*/ |
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public function serialize($value) |
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{ |
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try { |
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return json_encode($value, $this->encodeOptions); |
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} finally { |
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$this->ensureJson(); |
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} |
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}//@codeCoverageIgnore |
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private function ensureJson() |
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{ |
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if (json_last_error() !== JSON_ERROR_NONE) { |
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throw new InvalidArgumentException(json_last_error_msg()); |
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} |
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} |
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} |
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subjective-php /
psr-cache-helper
