php - Boolean value switch/invert

Question

Is there a function for switching/inverting boolean value in PHP?

Like... a shortcut for:

if($boolean === true){
    $boolean = false;
}else{
    $boolean = true;
}

Answer 1

Yes:

$boolean = !$boolean;

if it's not a boolean value, you can use the ternary construction:

$int = ($some_condition ? 1 : 2); // if $some_condition is true, set 1
                                  // otherwise set 2