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Re: Not understanding HTML form [message #169430 is a reply to message #169429]

Sun, 12 September 2010 18:17

Marious Barrier
Messages: 25
Registered: September 2010

Karma:

Junior Member

On 09/12/2010 02:06 PM, MikeB wrote:
> However, on a 3rd iteration, without typing anything into any field,
> the isset still evaluates to true, although the $_POST variable for
> "action' shows a null field. How can I then recognize that that field
> is in fact not set? or is it set with nulls or what is going on here?

Isset will evaluate to false only when a variable is a *PHP* null or it
is not set. (null anyway too)

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[Message index]

		Not understanding HTML form By: MikeB on Sun, 12 September 2010 18:06
		Re: Not understanding HTML form By: Marious Barrier on Sun, 12 September 2010 18:17
		Re: Not understanding HTML form By: MikeB on Sun, 12 September 2010 18:25
		Re: Not understanding HTML form By: Marious Barrier on Sun, 12 September 2010 18:52
		Re: Not understanding HTML form By: Piyush Gupta on Mon, 13 September 2010 10:44
		Re: Not understanding HTML form By: Jerry Stuckle on Sun, 12 September 2010 18:24

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