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Exception::getPrevious

(PHP 5 >= 5.3.0)

Exception::getPreviousReturns previous Exception

Description

final public Exception Exception::getPrevious ( void )

Returns previous Exception (the third parameter of Exception::__construct).

Parameters

This function has no parameters.

Return Values

Returns the previous Exception if available or NULL otherwise.

Examples

Example #1 Exception::getPrevious example

Looping over, and printing out, exception trace.

<?php
class MyCustomException extends Exception {}

function 
doStuff() {
    try {
        throw new 
InvalidArgumentException("You are doing it wrong!"112);
    } catch(
Exception $e) {
        throw new 
MyCustomException("Something happened"911$e);
    }
}


try {
    
doStuff();
} catch(
Exception $e) {
    do {
        
printf("%s:%d %s (%d) [%s]\n"$e->getFile(), $e->getLine(), $e->getMessage(), $e->getCode(), get_class($e));
    } while(
$e $e->getPrevious());
}
?>

The above example will output something similar to:

/home/bjori/ex.php:8 Something happened (911) [MyCustomException]
/home/bjori/ex.php:6 You are doing it wrong! (112) [InvalidArgumentException]

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