Merging Strings

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Hi all,

why do result the following two examples in two different value for $month?
(1)
$current_date = getdate(time());
$month = strval($current_date['year']);
$month .= (strlen(strval($current_date['mon'])) ==
2)?$current_date['mon']:("0".$current_date['mon']);
(2)
$current_date = getdate(time());
$month = strval($current_date['year']) .
(strlen(strval($current_date['mon'])) ==
2)?$current_date['mon']:("0".$current_date['mon']);

The first example sets $month to 200505 and the second sets it to 5. Why is
that. In my opinion they both should set it to 200505.
Is this a weird bug, or did i something wrong?

I'm using PHP 4.3.10 with Apache 1.3.33 on W2K Pro, but the server of my
hosting provider does the same (php 4.3.10 + apache (don't know the version,
i guess 1.3.33) on linux (i'm not sure, but i thought it was redhat)).

Rolf van de Krol

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