vendredi 3 novembre 2017

Can I use two || and one && in the same if statement in PHP?

You choose two planets A and B in the selector options to measure the distance.

For example:

  if (($planetA == "Nova Terra" || $planetB == "Nova Iaponia") && ($planetA == "Nova Iaponia" || $planetB == "Nova Terra")) 
  { 
    echo "From $planetA to $planet B: 290 parsecs"; 
  }

  else if (($planetA == "Nova Terra" || $planetB == "Novo Mars") && ($planetA == "Novo Mars" || $planetB == "Nova Terra"))
  { 
    echo "From $planetA to $planet B: 230 parsecs"; 
  }

You read "from Nova Terra to Nova Iaponia OR from Nova Iaponia to Nova Terra". To = and.

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