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Posted by ZeldorBlat on 12/27/06 19:21
oggy wrote:
> Hello
> I try to answer this question for the Zend Certification PHP 5 :
> "What is the difference between isset() and other is_*() functions
> (is_alpha(), is_number(), etc.)?"
>
> Do you have a solution ?
>
> Thanks
Read this:
<http://www.php.net/isset>
In particular the warning that "isset() only works with variables as
passing anything else will result in a parse error" and the note that
"Because this is a language construct and not a function, it cannot be
called using variable functions."
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