#009293: Template calls exit() for custom template functions without parameters

Using a custom template function with an empty set of expected parameters causes a break of the script because of exit() in line 93 in Template/src/syntax_trees/ast/interfaces/parameterized_ast.php.

a) This should be at least an exception
b) Custom functions without parameters seem not to work properly in statements.

PHP Version: 5.2

Write a custom template function with or without:

$def->parameters = array();

Call the function from a template like this:

{!customFunction()}

Adding an unused parameter to the template function seems to be a workaround for the moment.