How to unset a function definition just like we unset a variable?

Question

I want to define a function and unset it after its use just like we do with variables.

$a = \'something\';
unset($a);
echo $a; // outputs nothing
         


        

Answer 1

runkit_function_remove — Remove a function definition http://php.net/manual/en/function.runkit-function-remove.php