trunkshowthree.php

add_filter('column-content-wrapper', function($content) use ($trunk_show) {
            // parse the trunk show content as HTML
            $trunkShowDomDocument = new \DOMDocument();
            $trunkShowDomDocument->loadHTML('<?xml encoding="utf-8" ?>' . $content);

            // create a new element to wrap the content
            $wrapperEl = $trunkShowDomDocument->createElement('div');
            $wrapperEl->setAttribute('class','content-column-wrapper');

            $wrapperEl1 = $trunkShowDomDocument->createElement('div');
            $wrapperEl1->setAttribute('class','content-column-wrapper');

            // move the content after the second paragraph until the last paragraph to the new element
            for ($i = 0; $i <= $trunkShowDomDocument->getElementsByTagName("p")->length - 5; $i++) {
                $el = $trunkShowDomDocument->getElementsByTagName("p")->item(2);
                $wrapperEl->appendChild($el);
            }

            for ($i = 2; $i <= $trunkShowDomDocument->getElementsByTagName("p")->length - 2; $i++) {
                $el1 = $trunkShowDomDocument->getElementsByTagName("p")->item(2);
                $wrapperEl1->appendChild($el1);
            }
            
            $el = $trunkShowDomDocument->getElementsByTagName("p")->item(2);
            $el1 = $trunkShowDomDocument->getElementsByTagName("p")->item(2);

            // insert the new element to the trunk show content.
            $el->parentNode->insertBefore($wrapperEl, $el);
            $el1->parentNode->insertBefore($wrapperEl1, $el1);
            $output = $trunkShowDomDocument->saveHTML();
            return $output;
        });