How to store and compare for validity more than 300 values ​​of $_GET parameters for comparison?

Question

PHP

Good evening, tell me how to store and compare >300 values ​​with the values ​​returned from the $_GET parameters. To further give links formed from values.

Answer 1

$parameter1_variants = [
  'variant1', 'variant2', 'variant3', ..., 'variant300'
];
...
if (in_array($_GET['parameter1'], $parameter1_variants)) {
  ...
}

Answer 2

In the database