(PHP 5 >= 5.3.0, PHP 7) Returns previous Exception
(PHP 5 >= 5.1.0, PHP 7) String representation of the exception
(PHP 5 >= 5.1.0, PHP 7) Gets the stack trace as a string
(PHP 5 >= 5.1.0, PHP 7) Gets the stack trace
(PHP 5 >= 5.1.0, PHP 7) Clone the exception
(PHP 5 >= 5.1.0, PHP 7) Gets the Exception message
(PHP 5 >= 5.1.0, PHP 7) Gets the Exception code
(PHP 5 >= 5.1.0, PHP 7) Gets the line in which the exception occurred
(PHP 5 >= 5.1.0, PHP 7) Gets the file in which the exception occurred
(PHP 5 >= 5.1.0, PHP 7) Construct the exception