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function do () {
  echo "blabla";
}

if ($something == "happend") {
  do ();
}
else {
  do ();
}

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if·(bla·==·blup)·{
····mache dies;
}

function·hallo()·{
····tu das;
}

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if·(bla·==·gaga)
    {
        salut;
    }
    else
          {
                  tulas;
           }
   
function·hallo()·
      {
           tu das;
      }

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<?php

if ((condition1) || (condition2))
{
    action1;
} elseif ((condition3) && (condition4))
{
    action2;
} else {
    defaultaction;
}

?>