<!DOCTYPE HTML>
<html lang="es-MX">
  <head>
    <meta charset="UTF-8" />
    <meta name="keywords" content="linux cabal, linuxcabal,
                 open source, free software, F/OSS, FOSS, GNU,
                 GNU/Linux, Linux, GNU &amp; Linux, Free and Open Source
                 Software, Free y Open Source Software" />
    <title>
      Curso PHP - Operadores Lógicos
    </title>
  </head>
  <body style="background-image:url('images/logoBG.jpg');">
    <?php
      print( "<p style=\"font:bold 24pt helvetica;\">
                Operadores Lógicos
              </p>" );
                      
      $Examen = 4;

      print( "<p style=\"font:24pt lucida;\">
                |" . ( true || false )  .
               "|<br />
                |" . ( true or false )  .
               "|<br />
                |" . ( true && false )  .
               "|<br />
                |" . ( true and false ) .
               "|<br />
                |" . ( ( $Examen > 2 ) &&  ( $Examen < 15 ) ) .
               "|<br />
                |" . ( ( $Examen > 2 ) ||  ( $Examen < 15 ) ) .
               "|<br />
                |" . ( ( $Examen > 2 ) xor ( $Examen < 15 ) ) .
               "|<br />
                |" . ( ! true )  .
               "|<br />
                |" . ( ! false ) .
               "|
              </p>
              <p>
                <a href=\"http://validator.w3.org/check?uri=referer\"><img
                   src=\"images/valid-html5.jpg\"
                   alt=\"Valid HTML 5\" height=\"31\"
                   width=\"88\" />
                </a>
              </p>" );
    ?>
  </body>
</html>