Code Inspection: Function call is not compatible with 'callable' declaration

Reports the parameters in function calls whose types are not compatible with the ones defined via Closure.

In the following example, the Closure annotation indicates that a returned function expects two integer parameters, while the function call is erroneously provided with the array argument.

            /**
             * @return Closure(int, int) : int
             */
            function delayedAdd(): Closure {
                return function($a, $b) {
                    return $a + $b;
                };
            }

            $numbers = [1, 2];
            $adder = delayedAdd();
            echo $adder($numbers, 5);
        

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Last modified: 16 May 2022