Predefined Exceptions

Question 1

What is Exception?

Answer 1

Exception is the base class for all exceptions.

Question 2

What are the following exception properties?

message
code
file
line

Answer 2

message - the exception message.
code - the exception code.
file - the filename where the exception was created.
line - the line where the exception was created.

Question 3

What are the parameters for Exception::__construct()?

Answer 3

string $message = ‘’ //the Exception message to throw
int $code = 0 //the Exception code
Exception $previous = NULL //the previous exception, used for the exception chaining

Question 4

What does Exception::getTrace() return?

Answer 4

The Exception stack trace.

Question 5

What does Exception::getTraceAsString() return?

Answer 5

The Exception stack trace as a string.

Question 6

Are Exceptions clonable?

Answer 6

No.

Question 7

What property doe ErrorException add to Exception?

Answer 7

int $severity - the severity of the Exception.

Question 8

What are the parameters for ErrorException::__construct()?

Answer 8

message - the Exception message to throw
code - the Exception code
severity - the severity level of the Exception
filename - the filename where the Exception is thrown.
lineno - the linenumber where the Exception is thrown.
previous - the previous exception used for the exception chaining.

Question 9

What does ErrorException::__getSeverity() return?

Answer 9

The severity of the exception.