Question

I have an array containing only booleans:

 $l = array(0=>true,2=>false,3=>true,4=>true,5=>true);

I want to achieve this pseudocode:

If at least one element of $l is false:
    echo 'Can not do this';
else:
    echo 'Can do this';

Answer 1

Assuming you have a misspelling and the correct form is

if at least one element in array $l is false

Then you only need to iterate over the array and fail on the first false value in the array. I will not give you the answer, since it is homework and the solution is very simple.

Take a look at the if statement in the PHP manual and also the foreach statement. That’s really all you need to solve your problem.