[HttpKernel] fix nested calls to serialize when using DataCollector
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@ -42,12 +42,15 @@ abstract class DataCollector implements DataCollectorInterface, \Serializable
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public function serialize()
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{
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return serialize($this->data);
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$trace = debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT, 2);
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$isCalledFromOverridingMethod = isset($trace[1]['function'], $trace[1]['object']) && 'serialize' === $trace[1]['function'] && $this === $trace[1]['object'];
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return $isCalledFromOverridingMethod ? $this->data : serialize($this->data);
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}
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public function unserialize($data)
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{
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$this->data = unserialize($data);
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$this->data = \is_array($data) ? $data : unserialize($data);
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}
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/**
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