Re: Read Form values prior to submit?
| From: | Thiago H. Pojda | Date: | Sun, 28 Dec 2008 15:52:11 +0000 |
| Subject: | Re: Read Form values prior to submit? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-285142@lists.php.net to get a copy of this message | ||
On Sun, Dec 28, 2008 at 12:41 PM, Tim Rude <tim_rude@yahoo.com> wrote:
> Using PHP, is there a way for me to read the values that a user has
> entered into the text fields of a <FORM> prior to the user clicking the
> submit button?
If the user doesnt press the submit button PHP has no idea what's
going on there.
That's client-side and you should use JavaScript for that.
> Essentially what I want to do is make sure the user has filled in all
> three text fields on my form before allowing it to be submitted [to a
> third party website].
In case you have a specific business logic in that field and don't
want the user to know about it, you should use AJAX.
But this sounds simple, a small JS should help you.
The JS can submit the form, if it's okay. Or you can add a action to
form's onsubmit event. (you can "return false" if the validation
fails).
Hope this helps!
Regards,
Thiago Henrique Pojda
nerdnaweb.blogspot DOT com
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