Question

When I cast to Boolean (using (bool)), is there a built in way to get PHP to actually return the constants true or false. At the moment I’m getting 1 or blank, which evaluate to true and false respectively.

I want the value returned for clearer semantics. However, if I can’t get it, I’ll just settle with 1 and blank.

Answer 1

PHP displays boolean values as 1 (true) or empty string (false) when outputted.

If you want to check if it’s true or false use == (if implicit conversion is OK) or === (if it’s not). For example:

echo $val ? 'true' : 'false'; // implicit conversion
echo $val === true ? 'true' : 'false'; // no conversion

I don’t know of any way to make PHP output boolean values natively as true or false.