how to check if a radio button has been selected

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how do i check if a radio button has been selected? I want to be able to post the value of a radio button depending on if it has been selected or not.

Posted 5-Nov-10 2:02am

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E.F. Nijboer · Answer 1 · 2010-11-05T02:10:00

Solution 1

Have a look here:

http://www.homeandlearn.co.uk/php/php4p10.html[^]

Good luck!

Posted 5-Nov-10 2:10am

E.F. Nijboer

jim lahey · Answer 2 · 2010-11-05T02:11:00

Solution 2

It has been many years since I even looked at any PHP but if I recall correctly, you can just check $_POST["NAME_OF_RADIOBUTTON"]. if the radio button is selected, the value should be present, if it's not selected, the value in $_POST["NAME_OF_RADIOBUTTON"] will be null.

Posted 5-Nov-10 2:11am

jim lahey

Comments

[no name] 5-Nov-10 8:23am

ok so do i just right a conditional statement like this:

if($_post['radiobutton'] == ' ')
{
statements
statments
}

jim lahey 5-Nov-10 10:55am

the structure looks fine, but I don't think your null check is correct. have a look on php.net for the isset() method