FAQ: Logical Operators and Compound Conditions - Nested Conditional Statements

This community-built FAQ covers the “Nested Conditional Statements” exercise from the lesson " Logical Operators and Compound Conditions".

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In this topic something came to my mind, what was mentioned before in a prior topic.

It was said, that for comparing values it’s recommended to use the identical operator, as long there is no specific reason.
For better control over data and easier maintaining.

Why then also this shortcut here is taught?:

<?php namespace Codecademy; function both($a, $b){ if ($a){ if ($b){ return "both"; } else{ return "not both"; } } else { return "not both"; } } echo both(TRUE,TRUE); // returns "both" echo "\n"; echo both(1,5); // returns "both"

Because here we use an equal operator, that can return unexpected results.
Wouldn’t it be consistent to go with $a === TRUE / $b === TRUE, to get unambiguous results?