has_tag Help

<?php if (has_tag(array(‘tag1’, ‘tag2′,’tag3’))) $tg = $thetag(display the the tag that has);
else $tg = ‘no tag found’;?>

If someone can help me. i want the $tg variable get the tag that was found. Sorry for my bad english

[closed as duplicate: http://ww.wp.xz.cn/support/topic/has_tag-help-1?replies=3 ]