The last question submitted was the question "what was the last question submitted"

submitted

deemed to be submitted to the client

something like

//if already submitted

if($_SESSION["submitted"]== true){

//give error

echo 'you have already submitted!';

}

//otherwise

else

{

//set session to already submitted

$_SESSION["submitted"] = true;

//then do your stuff here

// :D

}

The word "submitted" can be used in multiple contexts, with multiple meanings, including:

"I finally submitted my application to work at the community center."

"The dog snarled, then submitted to its master."

"She submitted herself calmly to the embarrassing interrogation."