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PHP PHP Basics (Retired) PHP Datatypes Booleans

Posted by Abdullah Alsowaygh
Abdullah Alsowaygh
8,719 Points

why var_dump returns false if empty string or 0

why isn't it called is_empty or is_zero? I do not understand the purpose of an empty string being false.

1 Answer

Simon McKeon
Simon McKeon
15,517 Points
Simon McKeon
Simon McKeon
15,517 Points

It is to do with a concept where values are "truthy" or "falsey".

Check out this link to see how different values are evaluated in PHP.

http://php.net/manual/en/types.comparisons.php