Supported Versions: PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
Check for numeric character(s)
<?php ctype_digit(mixed $text): bool
<?php     public function __construct(string $data)

    {

        if (ctype_digit($data)) {

            $this->status = (int)$data;

        } else {

            $this->content = $data;