<?php
    function checkMe($i) {
      echo "i is apple.";
      if ($i=="apple")
        return;
    
      echo "i is bar.";
      if ($i=="bar")
        return;
    
      echo "i is cake.";
      if ($i=="cake")
        return;
    }
    
    checkMe("bar");
    ?>

i is apple.i is bar.