RD » Code http://blog.ryandonahue.net It's My Blog Thu, 06 Aug 2009 05:12:09 +0000 en hourly 1 http://wordpress.org/?v=3.0 An Adventure in arbitrary PHP in WordPress. http://blog.ryandonahue.net/2009/08/an-adventure-in-arbitrary-php-in-wordpress/ http://blog.ryandonahue.net/2009/08/an-adventure-in-arbitrary-php-in-wordpress/#comments Thu, 06 Aug 2009 05:06:09 +0000 admin http://blog.ryandonahue.net/?p=20 One of the finishing touches I wanted to add to this blog theme was a copyright
statement in roman numerals. Inserting arbitrary PHP into WordPress isn’t as straightforward as it should be, so I’ve outlined instructions below:

1. Edit the functions.php file of your theme to add the following code (courtesy Pradeep S).

// A function to return the Roman Numeral, given an integer
  function numberToRoman($num){
    // use int value
    $n = intval($num);
    $result = '';
    $lookup = array(
      'M' => 1000, 
      'CM' => 900, 
      'D' => 500, 
      'CD' => 400,
      'C' => 100, 
      'XC' => 90, 
      'L' => 50, 
      'XL' => 40,
      'X' => 10, 
      'IX' => 9, 
      'V' => 5, 
      'IV' => 4, 
      'I' => 1
     );
 
    foreach ($lookup as $roman => $value){
      $matches = intval($n / $value);
      $result .= str_repeat($roman, $matches);
      $n = $n % $value;
  }
  return $result;
}

2. Edit the footer.php file in the theme to add a reference to the new function in the copyright block.

    <div id="footer" class="grid_12">
      <p>&copy; <?php echo numberToRoman(date("Y")); ?></p>
    </div>
  <?php wp_footer(); ?>
</body>

3. You’re done!

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