Alan Knowles wrote:
I think he's referening to something like this (which is common in pear):
$x = $someobj->somemethod(); if ($x instanceOf PEAR_Error) { ....... }
while that code is redundant in the case of exceptions, it is still a valid situation.. that $x may be a valid return, and PEAR_Error was never loaded..
Yup, that's exactly what I'm talking about.
I want to be able to do this:
if ($db instanceof DBPostgres) {
/// do something funky specific to Postgres
}If My DB adapter is DBMySQL, I don't want to load the DBPostgres adapter just so I can test whether my object is of that type ...
and checking first whether class_exists('DBPostgres') just seems kinda kludgy & straying from the "problem domain" ... especially since $db instanceof DBPostgres would *always* be false if DBPostgres isn't loaded.
Hans
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