where('status', 'publish')->first(); if (is_null($post)) { return abort(404); } $content = Markdown::convert($post->body)->getContent(); //dd($content); $content = $this->injectBootstrapClasses($content); $content = $this->injectTableOfContents($content); $content = $this->injectFeaturedImage($post, $content); return view('front.single_post', compact('post', 'content')); } private function injectBootstrapClasses($content) { $crawler = new Crawler($content); $crawler->filter('h1')->each(function (Crawler $node) { $node->getNode(0)->setAttribute('class', trim($node->attr('class').' display-6 fw-bolder mt-3 mb-4')); }); $crawler->filter('h2')->each(function (Crawler $node) { $node->getNode(0)->setAttribute('class', trim($node->attr('class').'h4 mb-3')); }); $crawler->filter('h3')->each(function (Crawler $node) { $node->getNode(0)->setAttribute('class', trim($node->attr('class').'h6 mb-2')); }); $crawler->filter('p')->each(function (Crawler $pNode) { $precedingHeaders = $pNode->previousAll()->filter('h2'); // If there are no preceding

tags, just process the

if (! $precedingHeaders->count()) { $existingClasses = $pNode->attr('class'); $newClasses = trim($existingClasses.' mt-2 mb-4'); $pNode->getNode(0)->setAttribute('class', $newClasses); return; } $precedingHeader = $precedingHeaders->first(); if (trim($precedingHeader->text()) !== 'FAQs') { $existingClasses = $pNode->attr('class'); $newClasses = trim($existingClasses.' mt-2 mb-4'); $pNode->getNode(0)->setAttribute('class', $newClasses); } if (strpos($pNode->text(), 'Q:') === 0) { $currentClasses = $pNode->attr('class'); $newClasses = trim($currentClasses.' fw-bold'); $pNode->getNode(0)->setAttribute('class', $newClasses); } }); $crawler->filter('ul')->each(function (Crawler $node) { $node->getNode(0)->setAttribute('class', trim($node->attr('class').'py-2')); }); $crawler->filter('ol')->each(function (Crawler $node) { $node->getNode(0)->setAttribute('class', trim($node->attr('class').'py-2')); }); // Convert the modified DOM back to string $modifiedContent = ''; foreach ($crawler as $domElement) { $modifiedContent .= $domElement->ownerDocument->saveHTML($domElement); } return $modifiedContent; } private function injectTableOfContents($html) { $crawler = new Crawler($html); // Create the Table of Contents $toc = '

    '; $crawler->filter('h2')->each(function (Crawler $node, $i) use (&$toc) { $content = $node->text(); $id = 'link-'.$i; // Creating a simple id based on the index $node->getNode(0)->setAttribute('id', $id); // Set the id to the h2 tag $toc .= "
  1. {$content}
    2. "; }); $toc .= '
'; // Insert TOC after h1 $domDocument = $crawler->getNode(0)->ownerDocument; $fragment = $domDocument->createDocumentFragment(); $fragment->appendXML($toc); $h1Node = $crawler->filter('h1')->getNode(0); $h1Node->parentNode->insertBefore($fragment, $h1Node->nextSibling); // Get the updated HTML $updatedHtml = $crawler->filter('body')->html(); return $updatedHtml; } private function injectFeaturedImage($post, $content) { if (! is_empty($post->featured_image)) { $featured_image_alt = strtolower($post->short_title); $featured_image_alt_caps = strtoupper($post->short_title); $featured_image = "
featured_image_cdn}\" alt=\"{$featured_image_alt}\">
{$featured_image_alt_caps}
"; $content = preg_replace('/(<\/h1>)/', '$1'.$featured_image, $content, 1); } return $content; } }