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Re: Implied cast differs from explicit cast [message #176679 is a reply to message #176669]

Tue, 17 January 2012 02:35

lb
Messages: 4
Registered: January 2012

Karma:

Junior Member

Thanks to all who replied, more or less...

I was not trying to convert hex to decimal or any such thing. I was
cleaning up some code that looked something like this:

if (is_numeric($data[$i])) {
$val = (double)$data[$i++];
...
} else {
$i++;
}

I changed it to:
if (is_numeric($val = $data[$i++])) {
...
}

During testing I found that I could get different results within the
block with $val used as a numeric value in calculations. The difference
was when a string containing a hex value was used in the data array.
This is odd behavior, and inconsistant, in my opinion, and might be
considered a PHP bug.

Report message to a moderator

[Message index]

		Implied cast differs from explicit cast By: lb on Mon, 16 January 2012 01:10
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Mon, 16 January 2012 01:51
		Re: Implied cast differs from explicit cast By: lb on Mon, 16 January 2012 03:08
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Mon, 16 January 2012 03:39
		Re: Implied cast differs from explicit cast By: Arno Welzel on Mon, 16 January 2012 07:42
		Re: Implied cast differs from explicit cast By: Curtis Dyer on Mon, 16 January 2012 09:04
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Mon, 16 January 2012 13:25
		Re: Implied cast differs from explicit cast By: M. Strobel on Mon, 16 January 2012 18:51
		Re: Implied cast differs from explicit cast By: The Natural Philosoph on Mon, 16 January 2012 13:28
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Mon, 16 January 2012 13:45
		Re: Implied cast differs from explicit cast By: Arno Welzel on Tue, 17 January 2012 05:59
		Re: Implied cast differs from explicit cast By: Arno Welzel on Tue, 17 January 2012 06:00
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Tue, 17 January 2012 13:17
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Tue, 17 January 2012 13:16
		Re: Implied cast differs from explicit cast By: Arno Welzel on Thu, 19 January 2012 12:36
		Re: Implied cast differs from explicit cast By: Arno Welzel on Thu, 19 January 2012 12:39
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Thu, 19 January 2012 14:06
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Thu, 19 January 2012 14:05
		Re: Implied cast differs from explicit cast By: The Natural Philosoph on Thu, 19 January 2012 15:01
		Re: Implied cast differs from explicit cast By: Jerry Stuckle on Thu, 19 January 2012 19:41
		Re: Implied cast differs from explicit cast By: M. Strobel on Mon, 16 January 2012 08:49
		Re: Implied cast differs from explicit cast By: alvaro.NOSPAMTHANX on Mon, 16 January 2012 10:48
		Re: Implied cast differs from explicit cast By: lb on Tue, 17 January 2012 02:35

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