[youtube id=Pe5p1BXNCQM]

<?php
class Youtube_BB extends XCube_ActionFilter
{
  public function preBlockFilter()
  {
    $this->mRoot->mDelegateManager->add('Legacy_TextFilter.MakeClickableConvertTable', 'Youtube_BB::makeClickableConvertTable', XCUBE_DELEGATE_PRIORITY_1);
    $this->mRoot->mDelegateManager->add('Legacy_TextFilter.MakeXCodeConvertTable', 'Youtube_BB::makePreXCodeConvertTable');
  }
  
  public static function makeClickableConvertTable(&$patterns, &$replacements)
  {
    $patterns[] = "/(^|[^]_a-z0-9-=\"'\/])http:\/\/(jp|www)\.youtube\.com\/watch\?v\=([0-9a-zA-Z-_]*)/e";
    $replacements[] = "'<object width=\"425\" height=\"355\">
<param name=\"movie\" value=\"http://www.youtube.com/v/\\3&rel=1\"></param>
<param name=\"wmode\" value=\"transparent\"></param>
<embed src=\"http://www.youtube.com/v/\\3&rel=1&color1=0x000000&color2=0xa0a0a0&border=0\" type=\"application/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"355\"></embed>
</object>'";
  }
  
  public function makePreXCodeConvertTable(&$patterns, &$replacements)
  {
    $patterns[] = "/\[youtube id\=([0-9a-zA-Z-_]*)\]/esU";
    $replacements[0][] = $replacements[1][] = "'<object width=\"425\" height=\"355\">
<param name=\"movie\" value=\"http://www.youtube.com/v/\\1&rel=1\"></param>
<param name=\"wmode\" value=\"transparent\"></param>
<embed src=\"http://www.youtube.com/v/\\1&rel=1&color1=0x000000&color2=0xa0a0a0&border=0\" type=\"application/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"355\"></embed>
</object>'";
  }
}
?> 

http://www.youtube.com/watch?v=ROCKQRWEzis