original_string: public function addFootnotes(\DOMElement $articleContent)
      {
          $footnotesWrapper = $this->dom->createElement('footer');
          $footnotesWrapper->setAttribute('class', 'readability-footnotes');
          $footnotesWrapper->setInnerHtml('<h3>References</h3>');
          $articleFootnotes = $this->dom->createElement('ol');
          $articleFootnotes->setAttribute('class', 'readability-footnotes-list');
          $footnotesWrapper->appendChild($articleFootnotes);
          $articleLinks = $articleContent->getElementsByTagName('a');
          $linkCount = 0;
  
          for ($i = 0; $i < $articleLinks->length; ++$i) {
              $articleLink = $articleLinks->item($i);
              $footnoteLink = $articleLink->cloneNode(true);
              $refLink = $this->dom->createElement('a');
              $footnote = $this->dom->createElement('li');
              $linkDomain = @parse_url($footnoteLink->getAttribute('href'), PHP_URL_HOST);
              if (!$linkDomain && isset($this->url)) {
                  $linkDomain = @parse_url($this->url, PHP_URL_HOST);
              }
  
              $linkText = $this->getInnerText($articleLink);
              if ((false !== strpos($articleLink->getAttribute('class'), 'readability-DoNotFootnote')) || preg_match($this->regexps['skipFootnoteLink'], $linkText)) {
                  continue;
              }
  
              ++$linkCount;
  
              // Add a superscript reference after the article link.
              $refLink->setAttribute('href', '#readabilityFootnoteLink-' . $linkCount);
              $refLink->setInnerHtml('<small><sup>[' . $linkCount . ']</sup></small>');
              $refLink->setAttribute('class', 'readability-DoNotFootnote');
              $refLink->setAttribute('style', 'color: inherit;');
  
              if ($articleLink->parentNode->lastChild->isSameNode($articleLink)) {
                  $articleLink->parentNode->appendChild($refLink);
              } else {
                  $articleLink->parentNode->insertBefore($refLink, $articleLink->nextSibling);
              }
  
              $articleLink->setAttribute('style', 'color: inherit; text-decoration: none;');
              $articleLink->setAttribute('name', 'readabilityLink-' . $linkCount);
              $footnote->setInnerHtml('<small><sup><a href="#readabilityLink-' . $linkCount . '" title="Jump to Link in Article">^</a></sup></small> ');
              $footnoteLink->setInnerHtml(('' !== $footnoteLink->getAttribute('title') ? $footnoteLink->getAttribute('title') : $linkText));
              $footnoteLink->setAttribute('name', 'readabilityFootnoteLink-' . $linkCount);
              $footnote->appendChild($footnoteLink);
  
              if ($linkDomain) {
                  $footnote->setInnerHtml($footnote->getInnerHTML() . '<small> (' . $linkDomain . ')</small>');
              }
              $articleFootnotes->appendChild($footnote);
          }
  
          if ($linkCount > 0) {
              $articleContent->appendChild($footnotesWrapper);
          }
      }
code: public function addFootnotes(\DOMElement $articleContent)
      {
          $footnotesWrapper = $this->dom->createElement('footer');
          $footnotesWrapper->setAttribute('class', 'readability-footnotes');
          $footnotesWrapper->setInnerHtml('<h3>References</h3>');
          $articleFootnotes = $this->dom->createElement('ol');
          $articleFootnotes->setAttribute('class', 'readability-footnotes-list');
          $footnotesWrapper->appendChild($articleFootnotes);
          $articleLinks = $articleContent->getElementsByTagName('a');
          $linkCount = 0;
  
          for ($i = 0; $i < $articleLinks->length; ++$i) {
              $articleLink = $articleLinks->item($i);
              $footnoteLink = $articleLink->cloneNode(true);
              $refLink = $this->dom->createElement('a');
              $footnote = $this->dom->createElement('li');
              $linkDomain = @parse_url($footnoteLink->getAttribute('href'), PHP_URL_HOST);
              if (!$linkDomain && isset($this->url)) {
                  $linkDomain = @parse_url($this->url, PHP_URL_HOST);
              }
  
              $linkText = $this->getInnerText($articleLink);
              if ((false !== strpos($articleLink->getAttribute('class'), 'readability-DoNotFootnote')) || preg_match($this->regexps['skipFootnoteLink'], $linkText)) {
                  continue;
              }
  
              ++$linkCount;
  
              // Add a superscript reference after the article link.
              $refLink->setAttribute('href', '#readabilityFootnoteLink-' . $linkCount);
              $refLink->setInnerHtml('<small><sup>[' . $linkCount . ']</sup></small>');
              $refLink->setAttribute('class', 'readability-DoNotFootnote');
              $refLink->setAttribute('style', 'color: inherit;');
  
              if ($articleLink->parentNode->lastChild->isSameNode($articleLink)) {
                  $articleLink->parentNode->appendChild($refLink);
              } else {
                  $articleLink->parentNode->insertBefore($refLink, $articleLink->nextSibling);
              }
  
              $articleLink->setAttribute('style', 'color: inherit; text-decoration: none;');
              $articleLink->setAttribute('name', 'readabilityLink-' . $linkCount);
              $footnote->setInnerHtml('<small><sup><a href="#readabilityLink-' . $linkCount . '" title="Jump to Link in Article">^</a></sup></small> ');
              $footnoteLink->setInnerHtml(('' !== $footnoteLink->getAttribute('title') ? $footnoteLink->getAttribute('title') : $linkText));
              $footnoteLink->setAttribute('name', 'readabilityFootnoteLink-' . $linkCount);
              $footnote->appendChild($footnoteLink);
  
              if ($linkDomain) {
                  $footnote->setInnerHtml($footnote->getInnerHTML() . '<small> (' . $linkDomain . ')</small>');
              }
              $articleFootnotes->appendChild($footnote);
          }
  
          if ($linkCount > 0) {
              $articleContent->appendChild($footnotesWrapper);
          }
      }
code_tokens: public function addFootnotes ( \ DOMElement $ articleContent ) { $ footnotesWrapper = $ this -> dom -> createElement ( 'footer' ) ; $ footnotesWrapper -> setAttribute ( 'class' , 'readability-footnotes' ) ; $ footnotesWrapper -> setInnerHtml ( '<h3>References</h3>' ) ; $ articleFootnotes = $ this -> dom -> createElement ( 'ol' ) ; $ articleFootnotes -> setAttribute ( 'class' , 'readability-footnotes-list' ) ; $ footnotesWrapper -> appendChild ( $ articleFootnotes ) ; $ articleLinks = $ articleContent -> getElementsByTagName ( 'a' ) ; $ linkCount = 0 ; for ( $ i = 0 ; $ i < $ articleLinks -> length ; ++ $ i ) { $ articleLink = $ articleLinks -> item ( $ i ) ; $ footnoteLink = $ articleLink -> cloneNode ( true ) ; $ refLink = $ this -> dom -> createElement ( 'a' ) ; $ footnote = $ this -> dom -> createElement ( 'li' ) ; $ linkDomain = @ parse_url ( $ footnoteLink -> getAttribute ( 'href' ) , PHP_URL_HOST ) ; if ( ! $ linkDomain && isset ( $ this -> url ) ) { $ linkDomain = @ parse_url ( $ this -> url , PHP_URL_HOST ) ; } $ linkText = $ this -> getInnerText ( $ articleLink ) ; if ( ( false !== strpos ( $ articleLink -> getAttribute ( 'class' ) , 'readability-DoNotFootnote' ) ) || preg_match ( $ this -> regexps [ 'skipFootnoteLink' ] , $ linkText ) ) { continue ; } ++ $ linkCount ; // Add a superscript reference after the article link. $ refLink -> setAttribute ( 'href' , '#readabilityFootnoteLink-' . $ linkCount ) ; $ refLink -> setInnerHtml ( '<small><sup>[' . $ linkCount . ']</sup></small>' ) ; $ refLink -> setAttribute ( 'class' , 'readability-DoNotFootnote' ) ; $ refLink -> setAttribute ( 'style' , 'color: inherit;' ) ; if ( $ articleLink -> parentNode -> lastChild -> isSameNode ( $ articleLink ) ) { $ articleLink -> parentNode -> appendChild ( $ refLink ) ; } else { $ articleLink -> parentNode -> insertBefore ( $ refLink , $ articleLink -> nextSibling ) ; } $ articleLink -> setAttribute ( 'style' , 'color: inherit; text-decoration: none;' ) ; $ articleLink -> setAttribute ( 'name' , 'readabilityLink-' . $ linkCount ) ; $ footnote -> setInnerHtml ( '<small><sup><a href="#readabilityLink-' . $ linkCount . '" title="Jump to Link in Article">^</a></sup></small> ' ) ; $ footnoteLink -> setInnerHtml ( ( '' !== $ footnoteLink -> getAttribute ( 'title' ) ? $ footnoteLink -> getAttribute ( 'title' ) : $ linkText ) ) ; $ footnoteLink -> setAttribute ( 'name' , 'readabilityFootnoteLink-' . $ linkCount ) ; $ footnote -> appendChild ( $ footnoteLink ) ; if ( $ linkDomain ) { $ footnote -> setInnerHtml ( $ footnote -> getInnerHTML ( ) . '<small> (' . $ linkDomain . ')</small>' ) ; } $ articleFootnotes -> appendChild ( $ footnote ) ; } if ( $ linkCount > 0 ) { $ articleContent -> appendChild ( $ footnotesWrapper ) ; } }
docstring: For easier reading, convert this document to have footnotes at the bottom rather than inline links.
  
  @see http://www.roughtype.com/archives/2010/05/experiments_in.php
  
  @param \DOMElement $articleContent
docstring_tokens: For easier reading convert this document to have footnotes at the bottom rather than inline links .