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Rechercher une fonction PHP

Exception::getPrevious

Contents

(PHP 5 >= 5.3.0, PHP 7)

Exception::getPrevious — Returns previous Exception

Description

final public Exception::getPrevious ( void ) : Throwable

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

PHP: Exception::getPrevious - Manual Home of Manuel PHP  Contents Haut

Parameters

This function has no parameters.

PHP: Exception::getPrevious - Manual Home of Manuel PHP  Contents Haut

Return Values

Returns the previous Throwable if available or NULL otherwise.

PHP: Exception::getPrevious - Manual Home of Manuel PHP  Contents Haut

Changelog

Version Description
7.0.0 The return type declaration changed to Throwable.

PHP: Exception::getPrevious - Manual Home of Manuel PHP  Contents Haut

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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