Re: 0 vs false

esingley@gmail.com wrote:
> So, this was driving me insane today, and I'm sure there's an easy
> answer that I'm just missing.
>
> Say I have an expression where 0 is acceptable as a TRUE response. But
> how, in PHP, do I say that 0 = true since it treats 0 = FALSE = "".
> For example, if I look for "foo" in a string using strpos:
>
> if (strpos("foo bar", "foo")) {
> echo "foo found at the beginning of the phrase.";
> }
>
> This should evaluate to TRUE, but it doesn't since it finds "food" at
> position 0, which then evaluates to FALSE.
>
> I tried casting, isset, is_null, and a few other siller options. I
> eventually worked around it by using substr_count, but mostly I'm just
> curious about the general answer to the question.
>
> Thanks.
>

if (strpos("foo bar", "foo") !== false) {
   echo "foo found";
}

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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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