Isset function

[Sunny]

Hi

Kindly help me what does this statement actually checks

if(isset($_POST['add']))

I have Input field with Type = "Submit" & ID = "add"

Thanks

[MarioParty]

http://www.php.net/isset

http://techtalk.virendrachandak.com/php ... z2oobovYAy

This will do exactly as it says. If the variable $_POST['add'] is set then TRUE will be returned (unless the value is NULL).

$_POST['add'] will only be set if you have posted a form containing an input with the name "add" or if you have set a value for it yourself in the code.