Answer Posted / guest
Exception handling is used to change the normal flow of the
code execution if a specified error (exceptional) condition
occurs. This condition is called an exception.
This is what normally happens when an exception is
triggered:
•The current code state is saved
•The code execution will switch to a predefined (custom)
exception handler function
•Depending on the situation, the handler may then resume
the execution from the saved code state, terminate the
script execution or continue the script from a different
location in the code
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