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PHP PHP Arrays and Control Structures PHP Conditionals Conditionals

Sinead KACHROO
Sinead KACHROO
277 Points
Posted by Sinead KACHROO
Sinead KACHROO
277 Points

how can we have an if statement with no condition? If just says if ($username) ?

What does this mean?

1 Answer

Steven Parker
Steven Parker
231,268 Points
Steven Parker
Steven Parker
231,268 Points

By itself, an empty string is considered "falsey"; but if the string contains any characters, it will be considered "truthy".

So this test is effectively checking "if $username is not empty".