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Remove leftmost and rightmost padding in LI output

/ Published in: PHP
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Inserts "first" and "last" classes to the first and last items respectively. "first" and "last" classes defined in CSS as without padding.

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  1. /*
  2.  * Applies pseudo-pseudo classes to inline list items.
  3.  * Mainly used for autogenerated subnavs.
  4.  * 
  5.  * @param $the_list String: html code of <li> elements
  6.  * @param $first Bool: apply style to the first <li>
  7.  * @param $last Bool: apply style to the last <li>
  8.  * @return $the_list String: modified html code
  9.  */
  10. function remove_padding_li ($the_list, $first=FALSE, $last=FALSE)
  11. {
  12.     if ($first) {
  13.         $the_list = preg_replace('/^<li class=\"/i', '<li class="first ', $the_list);
  14.     }
  15.     if ($last) {
  16.         $the_list = preg_replace('/<li class=\"(.*)$/i', '<li class="last $1', $the_list);
  17.     }
  18.     return $the_list;
  19. }

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