<?php array_push(array &$array, mixed ...$values): int
<?php public function whereNumber(string $param): RouteInterface { array_push($this->parameterTypes['number'], $param); return $this; }
<?php public function whereAlpha(string $param): RouteInterface { array_push($this->parameterTypes['alpha'], $param); return $this; }
<?php public function whereAlphaNumeric(string $param): RouteInterface { array_push($this->parameterTypes['alphanumeric'], $param); return $this; }