(.*)(.*)#is'; if(preg_match($regex, $content, $matches)) { $matches[3] = trim($matches[3]); $matches[4] = trim($matches[4]); $classes = ''; if(!empty($matches[3]) || !empty($matches[4])) { if(!empty($matches[3]) && !empty($matches[4])) { $classes = ' class="' . $matches[3] . ' ' . $matches[4] . '"'; } else { $classes = ' class="' . $matches[3] . $matches[4] . '"'; } } $content = $matches[1] . '<' . $matches[2] . $classes . '>' . $matches[5] . '' . $matches[6]; } $content = '

' . $embed . $content . '

'; } } // Returns the content. return $content; } add_filter( 'the_content', 'plusify_content' ); ?>