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Posted by coder on 10/15/07 15:59
"ZeldorBlat" <zeldorblat@gmail.com> wrote in message
news:1192461634.392862.14190@i13g2000prf.googlegroups.com...
> On Oct 15, 11:14 am, "coder" <co...@coder.com> wrote:
>> I have what is probably a simple question. In a form I get the variables
>> with $_POST and then enter an insert into a database. After doing this,
>> I
>> set the variable to an empty string. The form displays this empty
>> string.
>> So far, so good.
>>
>> If the user now hits the refresh button on the browser, the value of the
>> variable stays at the old value, not the empty string, so it passes the
>> test
>> for not empty and another entry is inserted into the database.
>>
>> How can I prevent this from happening?
>
> This question has been asked and answered in this newsgroup so many
> times (probably about once per week). It shouldn't be hard to find
> the answer with a little bit of searching.
You are correct. I searched and it was as simple as adding a header line
back to the same page. That flushed the post values. Sorry.
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