preg_replace удалить inline стили
$text=preg_replace('/style=\\"[^\\"]*\\"/','',$text);
http://community.sitepoint.com/t/remove-inline-style-with-preg-replace/21743/2
$text=preg_replace('/style=\\"[^\\"]*\\"/','',$text);
http://community.sitepoint.com/t/remove-inline-style-with-preg-replace/21743/2