Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Push one or more elements onto the end of array
<?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;

    }