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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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* Uses native php serialize functions for serializing data. |
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*/ |
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final class BasicSerializer implements SerializerInterface |
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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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$this->throwIfTrue(!is_string($data), '$data must be a string'); |
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set_error_handler($this->getErrorHandler()); |
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try { |
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$unserialized = unserialize($data); |
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$this->throwIfTrue($unserialized === false, '$data could not be unserialized'); |
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return $unserialized; |
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} finally { |
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restore_error_handler(); |
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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 serialize($value); |
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} catch (\Throwable $t) { |
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throw new InvalidArgumentException($t->getMessage(), 0, $t); |
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} |
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} |
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private function throwIfTrue(bool $condition, string $message) |
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{ |
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if ($condition) { |
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throw new InvalidArgumentException($message); |
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} |
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} |
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private function getErrorHandler() : callable |
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{ |
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return function ($level, $message, $file, $line) { |
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throw new InvalidArgumentException($message, $level); |
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}; |
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} |
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} |
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subjective-php /
psr-cache-helper
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.