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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Groundskeeper\Tokens\Elements;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Groundskeeper\Configuration;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Groundskeeper\Tokens\Element;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Groundskeeper\Tokens\ElementTypes\OpenElement;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Groundskeeper\Tokens\Token;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\LoggerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * "html" element  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Html extends OpenElement  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function getAllowedAttributes()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $htmlAllowedAttributes = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '/^manifest$/i' => Element::ATTR_URI  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return array_merge(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $htmlAllowedAttributes,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            parent::getAllowedAttributes()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    protected function doClean(LoggerInterface $logger)  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        // HTML element must not have parent elements.  | 
            
            
                                                        
            
                                    
            
            
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                        if ($this->getParent() !== null) { | 
            
            
                                                        
            
                                    
            
            
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                            return false;  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        // Only chidlren allowed are HEAD element followed by BODY element.  | 
            
            
                                                        
            
                                    
            
            
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                        $bodyCount = 0;  | 
            
            
                                                        
            
                                    
            
            
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                        $headCount = 0;  | 
            
            
                                                        
            
                                    
            
            
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                        $headIsFirst = false;  | 
            
            
                                                        
            
                                    
            
            
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                        foreach ($this->children as $key => $child) { | 
            
            
                                                        
            
                                    
            
            
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                            // Ignore comments.  | 
            
            
                                                        
            
                                    
            
            
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                            if ($child->getType() == Token::COMMENT) { | 
            
            
                                                        
            
                                    
            
            
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                                continue;  | 
            
            
                                                        
            
                                    
            
            
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                            }  | 
            
            
                                                        
            
                                    
            
            
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                            // Invalid token.  | 
            
            
                                                        
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                            if ($child->getType() != Token::ELEMENT) { | 
            
                            
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                                if ($this->configuration->get('clean-strategy') != Configuration::CLEAN_STRATEGY_LENIENT) { | 
            
            
                                                        
            
                                    
            
            
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                                    $logger->debug('Removing ' . $child . '. "html" element only allows "head" and "body" elements children.'); | 
            
            
                                                        
            
                                    
            
            
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                                    $this->removeChild($child);  | 
            
            
                                                        
            
                                    
            
            
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                                }  | 
            
            
                                                        
            
                                    
            
            
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                                continue;  | 
            
            
                                                        
            
                                    
            
            
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                            }  | 
            
            
                                                        
            
                                    
            
            
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                            // Check for HEAD and BODY  | 
            
            
                                                        
            
                                    
            
            
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                            if ($child->getName() == 'head') { | 
            
            
                                                        
            
                                    
            
            
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                                $headCount++;  | 
            
            
                                                        
            
                                    
            
            
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                                if ($bodyCount == 0) { | 
            
            
                                                        
            
                                    
            
            
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                                    $headIsFirst = true;  | 
            
            
                                                        
            
                                    
            
            
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                                }  | 
            
            
                                                        
            
                                    
            
            
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                                // Remove extraneous HEAD elements.  | 
            
            
                                                        
            
                                                                    
                                                                                                        
            
            
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                                if ($headCount > 1 &&  | 
            
                            
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                                    $this->configuration->get('clean-strategy') != Configuration::CLEAN_STRATEGY_LENIENT) { | 
            
            
                                                        
            
                                    
            
            
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                                    $logger->debug('Removing ' . $child . '. Only one "head" element allowed.'); | 
            
            
                                                        
            
                                    
            
            
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                                    $this->removeChild($child);  | 
            
            
                                                        
            
                                    
            
            
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                                    continue;  | 
            
            
                                                        
            
                                    
            
            
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                                }  | 
            
            
                                                        
            
                                    
            
            
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                            } elseif ($child->getName() == 'body') { | 
            
            
                                                        
            
                                    
            
            
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                                $bodyCount++;  | 
            
            
                                                        
            
                                    
            
            
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                                // Remove extraneous BODY elements.  | 
            
            
                                                        
            
                                                                    
                                                                                                        
            
            
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                                if ($bodyCount > 1 &&  | 
            
                            
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                                    $this->configuration->get('clean-strategy') != Configuration::CLEAN_STRATEGY_LENIENT) { | 
            
            
                                                        
            
                                    
            
            
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                                    $logger->debug('Removing ' . $child . '. Only one BODY element allowed.'); | 
            
            
                                                        
            
                                    
            
            
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                                    $this->removeChild($child);  | 
            
            
                                                        
            
                                    
            
            
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                                    continue;  | 
            
            
                                                        
            
                                    
            
            
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                                }  | 
            
            
                                                        
            
                                    
            
            
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                            } elseif ($this->configuration->get('clean-strategy') != Configuration::CLEAN_STRATEGY_LENIENT) { | 
            
            
                                                        
            
                                    
            
            
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                                $logger->debug('Removing ' . $child . '. Only "head" or "body" elements are allowed as "html" element children.'); | 
            
            
                                                        
            
                                    
            
            
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                                $this->removeChild($child);  | 
            
            
                                                        
            
                                    
            
            
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                                continue;  | 
            
            
                                                        
            
                                    
            
            
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                            }  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        // Handle missing HEAD element child.  | 
            
            
                                                        
            
                                    
            
            
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                        if ($headCount == 0) { | 
            
            
                                                        
            
                                    
            
            
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                            $logger->debug('Missing "head" element added.'); | 
            
            
                                                        
            
                                    
            
            
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                            $head = new Head($this->configuration, 'head');  | 
            
            
                                                        
            
                                    
            
            
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                            $this->prependChild($head);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                        // Handle missing BODY element child.  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                        if ($bodyCount == 0) { | 
            
            
                                                        
            
                                    
            
            
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                            $logger->debug('Missing "body" element added.'); | 
            
            
                                                        
            
                                    
            
            
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                            $body = new Body($this->configuration, 'body');  | 
            
            
                                                        
            
                                    
            
            
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                            $this->appendChild($body);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        // Handle BODY before HEAD.  | 
            
            
                                                        
            
                                    
            
            
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                        if (!$headIsFirst && $bodyCount > 0 && $headCount > 0) { | 
            
            
                                                        
            
                                    
            
            
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                            foreach ($this->children as $key => $child) { | 
            
            
                                                        
            
                                    
            
            
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                                if ($child->getType() == Token::ELEMENT && $child->getName() == 'body') { | 
            
            
                                                        
            
                                    
            
            
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                                    $logger->debug('Moved "body" element to end of "html" element children.'); | 
            
            
                                                        
            
                                    
            
            
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                                    unset($this->children[$key]);  | 
            
            
                                                        
            
                                    
            
            
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                                    $this->appendChild($child);  | 
            
            
                                                        
            
                                    
            
            
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                                    break;  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                                }  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                            }  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                        return true;  | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.