How to compare input data in input with php variable?

Question

PHP

Good afternoon. The crux of the matter is this. For example, I get a random number that comes to my mail. The site stores this number in a php variable, how can I compare the entered number in input. Those. the number matched, let's move on.

Answer 1

if ($vvedennoe_chislo === $chislo_kotoroe_hranitsa_na_saite) {
  echo "идем дальше";
}