How to know one HTTP_HOST and redirect to another

Question

That is, when HTTP_HOST is equal to site1.com or site02.com it redirects to novosite.com

I tried something like this below. but it didn’t work.

<?php if ($_SERVER['HTTP_HOST'] == 'site1.com, site02.com'): ?>
  TESTE
<?php endif; ?>

Answer 1

With in_array() gets like this:

<?php 
  $domains = ['www.site01.com','www.site02.com'];

  if ( in_array($_SERVER['SERVER_NAME'],  $domains ) ) {

      // pode adicionar respostas no header depender do que vc precisa

      header('Location: https://www.google.com/');

  } else {

      // faz outra coisa

  } ?>

one more thing, use $_SERVER['SERVER_NAME'] or instead of $_SERVER['HTTP_HOST'] is easily manipulated by the client, so depending on its purpose there may be something unexpected.

Answer 2

One way is to do it like this:

if(in_array($_SERVER['HTTP_HOST'], ['site1.com', 'site2.com'])){ //verifica se o valor do HTTP_HOST é um dos sites passados
    header('Location: novosite.com');
    die();
}