Using Functions in IF Statements

[ManicMax]

Currently I cant get a function to work within an if statement what syntax does it need to work.

 

At the moment I have to put the function into a variable then compare it in the if statement.

 

Any help appriciated

[pocobueno1388]

Code would be nice =]

[Barand]

Example

<?php
function validDay ($d) {
    /**
    * assumes any value between 1-31 is valid
    */
    return ($d >=1) && ($d <= 31);
}

$day = 12;
if (validDay($day)) {
    echo "OK";
}
else {
    echo "Invalid";
}
?>

[neel_basu]

You should post some codes First.