Apfels = Bananen<br>Bananen = Apfels
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    <code class="language-php">
&lt;?php

  $bananen = "Bananen";
  $apfels = "Apfels";
  $tisch;
  $tisch = $bananen;
  $bananen = $apfels;
  $apfels = $tisch;

  echo "Apfels = " + $apfels;
  echo "&lt;br&gt;";
  echo "Bananen = " + $bananen;

?&gt;
    </code>
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