In the TP5 source code Error.php file, there is the following code: 
Is the mark in this code redundant? Aren’t the parameters accepted by the appException() function all objects based on the base class \Exception? Could you please tell me what kind of exception is not based on the base class \Exception?
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認(rèn)證0級講師
If $e is written in the function declaration, it may be Exception or Throwable
http://www.php.net/manual/en/...
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