RE: count vs mysql_num_rows

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[snip]
> Is this a joke?  You are using a LIMIT 1, so your count is always  
> going to be 1.

No, its not a joke. The answer is not going to always 1, its going to  
be 1 (the value exists in the DB at least once) or 0 (the value  
doesn't exist in the DB), that's what I am trying to test for. I  
don't need to know how many times something exists, just if it does.
[/snip]

If you just need to know if data exists use the query with limit 1 and
test to see if 1 === $result['count']. I agree with the poster about not
returning all of the rows, it is more efficient to do it this way.

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