In PHP, what is the difference between is_null and ==null in PHP? What are the qualifications for both to return true?
In PHP, what is the difference between is_null and ==null in PHP? What are
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In PHP, what is the difference between is_null and ==null in PHP? What are the qualifications for both to return true?
is_nullis the same as=== null. Both return true when a variable isnull(or unset).Note that I’m using
===and not==.===compares type as well as value.