PHP: Variable in a function name

Question

I want to trigger a function based on a variable.

function sound_dog() { return \'woof\'; }
function sound_cow() { return \'moo\'; }

$animal = \'cow\';
print soun         


        

Answer 1

You can use $this-> and self:: for class-functions. Example provided below with a function input-parameter.

$var = 'some_class_function';
call_user_func(array($this, $var), $inputValue); 
// equivalent to: $this->some_class_function($inputValue);