Exception::getPrevious

(PHP 5 >= 5.3.0)

Exception::getPrevious — Returns previous Exception

설명

final public Exception Exception::getPrevious ( void )

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

인수

이 함수는 인수가 없습니다.

반환값

Returns the previous Exception if available or NULL otherwise.

예제

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());
}
?>

위 예제의 출력 예시:

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

참고

Throwable::getPrevious() - Returns the previous Throwable