is_callable

brefphp/bref

Supported Versions: PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8

Verify that a value can be called as a function from the current scope.

        <?php is_callable(mixed $value, bool $syntax_only = false, string &$callable_name = null): bool
    

<?php             return $handler->handle($event, $context);

        }



        if (is_callable($handler)) {


            return $handler($event, $context);

        }

src/Runtime/Invoker.php