lib/htmlpurifier/HTMLPurifier/AttrTransform/TextAlign.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/AttrTransform.php';
   4
   5 /**
   6  * Pre-transform that changes deprecated align attribute to text-align.
   7  */
   8 class HTMLPurifier_AttrTransform_TextAlign
   9 extends HTMLPurifier_AttrTransform {
  10
  11     function transform($attr, $config, &$context) {
  12
  13         if (!isset($attr['align'])) return $attr;
  14
  15         $align = strtolower(trim($attr['align']));
  16         unset($attr['align']);
  17
  18         $values = array('left' => 1,
  19                         'right' => 1,
  20                         'center' => 1,
  21                         'justify' => 1);
  22
  23         if (!isset($values[$align])) {
  24             return $attr;
  25         }
  26
  27         $attr['style'] = isset($attr['style']) ? $attr['style'] : '';
  28         $attr['style'] = "text-align:$align;" . $attr['style'];
  29
  30         return $attr;
  31
  32     }
  33
  34 }
  35
  36 ?>