On Wed, 26 Mar 2008 16:51:36 +0100, "Rik Wasmus"
<luiheidsgoeroe@hotmail.com> wrote:

>On Wed, 26 Mar 2008 16:04:59 +0100, Daniel Klein
><danielk@featherbrain.net> wrote:
>
>> When I run the following code the following errors end up in my error log
>> file:
>>
>> PHP Notice: Undefined variable: n in C:\home\php\sandbox\error.php on
>> line
>> 14
>> PHP Fatal error:Call to a member function fun() on a non-object in
>> C:\home\php\sandbox\error.php on line 14
>>
>>
>> <?php
>> class Numpty {
>> public function fun() {
>> return 'Have fun!';
>> }
>> }
>>
>> $n = new Numpty();
>> echo $n->fun();
>>
>> unset($n);
>>
>> try {
>> echo $n->fun(); //this is line 14
>> }
>> catch (Exception $e) {
>> echo 'Gotcha!';
>> }
>> echo 'Done';
>> ?>
>>
>>
>> You will notice that I have a 'try/catch' block around the line that is
>> causing the error. Why doesn't this code catch the error?
>>
>> What is the PHP way of handling this situation?
>>
>> I'm reading up now on custom error handlers but I decided to post this
>> now
>> in case that leads to another wgc ;-)
>
>http://bugs.php.net/bug.php?id=40014
>When it's not a recoverable error error it will not be catchable in any
>way. Adjust your code to cope with this by checking more / perhaps using
>type hinting as in http://bugs.php.net/bug.php?id=40014.

Thanks Rik; interesting reading, that.

I will look into type hinting but for now it appears as that isset() and the
is_xxxx() collection of functions will handle much of this error checking,
albeit it will require a bit more code than exception handling :-(

Btw, did you mean to post a different link to 'type hinting'? Perhaps you
meant
http://www.php.net/manual/en/languag...ypehinting.php

Daniel Klein