src/Readability.php
private function prepDocument(DOMDocument $dom)
    {
        $this->logger->info('[PrepDocument] Preparing document for parsing...');

        foreach ($dom->shiftingAwareGetElementsByTagName('br') as $br) {
            $next = $br->nextSibling;

            /*
             * Whether 2 or more <br> elements have been found and replaced with a
             * <p> block.
             */
            $replaced = false;

            /*
             * If we find a <br> chain, remove the <br>s until we hit another element
             * or non-whitespace. This leaves behind the first <br> in the chain
             * (which will be replaced with a <p> later).
             */
            while (($next = NodeUtility::nextElement($next)) && ($next->nodeName === 'br')) {
                $this->logger->debug('[PrepDocument] Removing chain of BR nodes...');

                $replaced = true;
                $brSibling = $next->nextSibling;
                $next->parentNode->removeChild($next);
                $next = $brSibling;
            }

            /*
             * If we removed a <br> chain, replace the remaining <br> with a <p>. Add
             * all sibling nodes as children of the <p> until we hit another <br>
             * chain.
             */

            if ($replaced) {
                $p = $dom->createElement('p');
                $br->parentNode->replaceChild($p, $br);

                $next = $p->nextSibling;
                while ($next) {
                    // If we've hit another <br><br>, we're done adding children to this <p>.
                    if ($next->nodeName === 'br') {
                        $nextElem = NodeUtility::nextElement($next->nextSibling);
                        if ($nextElem && $nextElem->nodeName === 'br') {
                            break;
                        }
                    }

                    if (!$next->isPhrasingContent()) {
                        break;
                    }

                    $this->logger->debug('[PrepDocument] Replacing BR with a P node...');

                    // Otherwise, make this node a child of the new <p>.
                    $sibling = $next->nextSibling;
                    $p->appendChild($next);
                    $next = $sibling;
                }

                while ($p->lastChild && $p->lastChild->isWhitespace()) {
                    $p->removeChild($p->lastChild);
                }

                if ($p->parentNode->tagName === 'p') {
                    NodeUtility::setNodeTag($p->parentNode, 'div');
                }
            }
        }

        // Replace font tags with span
        $fonts = $dom->getElementsByTagName('font');
        $length = $fonts->length;
        for ($i = 0; $i < $length; $i++) {
            $this->logger->debug('[PrepDocument] Converting font tag into a span tag.');
            $font = $fonts->item($length - 1 - $i);
            NodeUtility::setNodeTag($font, 'span');
        }
    }
private function prepDocument(DOMDocument $dom)
    {
        $this->logger->info('[PrepDocument] Preparing document for parsing...');

        foreach ($dom->shiftingAwareGetElementsByTagName('br') as $br) {
            $next = $br->nextSibling;

            /*
             * Whether 2 or more <br> elements have been found and replaced with a
             * <p> block.
             */
            $replaced = false;

            /*
             * If we find a <br> chain, remove the <br>s until we hit another element
             * or non-whitespace. This leaves behind the first <br> in the chain
             * (which will be replaced with a <p> later).
             */
            while (($next = NodeUtility::nextElement($next)) && ($next->nodeName === 'br')) {
                $this->logger->debug('[PrepDocument] Removing chain of BR nodes...');

                $replaced = true;
                $brSibling = $next->nextSibling;
                $next->parentNode->removeChild($next);
                $next = $brSibling;
            }

            /*
             * If we removed a <br> chain, replace the remaining <br> with a <p>. Add
             * all sibling nodes as children of the <p> until we hit another <br>
             * chain.
             */

            if ($replaced) {
                $p = $dom->createElement('p');
                $br->parentNode->replaceChild($p, $br);

                $next = $p->nextSibling;
                while ($next) {
                    // If we've hit another <br><br>, we're done adding children to this <p>.
                    if ($next->nodeName === 'br') {
                        $nextElem = NodeUtility::nextElement($next->nextSibling);
                        if ($nextElem && $nextElem->nodeName === 'br') {
                            break;
                        }
                    }

                    if (!$next->isPhrasingContent()) {
                        break;
                    }

                    $this->logger->debug('[PrepDocument] Replacing BR with a P node...');

                    // Otherwise, make this node a child of the new <p>.
                    $sibling = $next->nextSibling;
                    $p->appendChild($next);
                    $next = $sibling;
                }

                while ($p->lastChild && $p->lastChild->isWhitespace()) {
                    $p->removeChild($p->lastChild);
                }

                if ($p->parentNode->tagName === 'p') {
                    NodeUtility::setNodeTag($p->parentNode, 'div');
                }
            }
        }

        // Replace font tags with span
        $fonts = $dom->getElementsByTagName('font');
        $length = $fonts->length;
        for ($i = 0; $i < $length; $i++) {
            $this->logger->debug('[PrepDocument] Converting font tag into a span tag.');
            $font = $fonts->item($length - 1 - $i);
            NodeUtility::setNodeTag($font, 'span');
        }
    }
private function prepDocument ( DOMDocument $ dom ) { $ this -> logger -> info ( '[PrepDocument] Preparing document for parsing...' ) ; foreach ( $ dom -> shiftingAwareGetElementsByTagName ( 'br' ) as $ br ) { $ next = $ br -> nextSibling ; /*
             * Whether 2 or more <br> elements have been found and replaced with a
             * <p> block.
             */ $ replaced = false ; /*
             * If we find a <br> chain, remove the <br>s until we hit another element
             * or non-whitespace. This leaves behind the first <br> in the chain
             * (which will be replaced with a <p> later).
             */ while ( ( $ next = NodeUtility :: nextElement ( $ next ) ) && ( $ next -> nodeName === 'br' ) ) { $ this -> logger -> debug ( '[PrepDocument] Removing chain of BR nodes...' ) ; $ replaced = true ; $ brSibling = $ next -> nextSibling ; $ next -> parentNode -> removeChild ( $ next ) ; $ next = $ brSibling ; } /*
             * If we removed a <br> chain, replace the remaining <br> with a <p>. Add
             * all sibling nodes as children of the <p> until we hit another <br>
             * chain.
             */ if ( $ replaced ) { $ p = $ dom -> createElement ( 'p' ) ; $ br -> parentNode -> replaceChild ( $ p , $ br ) ; $ next = $ p -> nextSibling ; while ( $ next ) { // If we've hit another <br><br>, we're done adding children to this <p>. if ( $ next -> nodeName === 'br' ) { $ nextElem = NodeUtility :: nextElement ( $ next -> nextSibling ) ; if ( $ nextElem && $ nextElem -> nodeName === 'br' ) { break ; } } if ( ! $ next -> isPhrasingContent ( ) ) { break ; } $ this -> logger -> debug ( '[PrepDocument] Replacing BR with a P node...' ) ; // Otherwise, make this node a child of the new <p>. $ sibling = $ next -> nextSibling ; $ p -> appendChild ( $ next ) ; $ next = $ sibling ; } while ( $ p -> lastChild && $ p -> lastChild -> isWhitespace ( ) ) { $ p -> removeChild ( $ p -> lastChild ) ; } if ( $ p -> parentNode -> tagName === 'p' ) { NodeUtility :: setNodeTag ( $ p -> parentNode , 'div' ) ; } } } // Replace font tags with span $ fonts = $ dom -> getElementsByTagName ( 'font' ) ; $ length = $ fonts -> length ; for ( $ i = 0 ; $ i < $ length ; $ i ++ ) { $ this -> logger -> debug ( '[PrepDocument] Converting font tag into a span tag.' ) ; $ font = $ fonts -> item ( $ length - 1 - $ i ) ; NodeUtility :: setNodeTag ( $ font , 'span' ) ; } }
Prepares the document for parsing.

@param DOMDocument $dom
Prepares the document for parsing .