| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** @formatter:off | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * ****************************************************************** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Created by   Marko Kungla on Jun 20, 2016 - 9:11:10 PM | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Contact      [email protected] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @copyright   2016 Marko Kungla - https://github.com/mkungla | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @license     The MIT License (MIT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @category       AframeVR | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @package        aframe-php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * Lang         PHP (php version >= 7) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * Encoding     UTF-8 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * File         Entity.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * Code format  PSR-2 and 12 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * @link        https://github.com/mkungla/aframe-php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  ^ @issues      https://github.com/mkungla/aframe-php/issues | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * ******************************************************************** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * Contributors: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * @author Marko Kungla <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * ******************************************************************** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * Comments: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * @formatter:on */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | namespace AframeVR\Core; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use \AframeVR\Core\Exceptions\BadComponentCallException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | use \AframeVR\Interfaces\{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     ComponentInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     EntityInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     AnimationInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | use \AframeVR\Core\Animation; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | use \DOMElement; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | use \Closure; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | class Entity implements EntityInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * Array of used components | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     protected $components = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * Array of used animations | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     protected $animations = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * Child entities | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     protected $entities = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 64 |  |     public function __construct() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |         /* Components which All entities inherently have */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 64 |  |         $this->component('Position'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 64 |  |         $this->component('Rotation'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 64 |  |         $this->component('Scale'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         /* Extending entity components and init */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 64 |  |         $this->init(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         /* Extending entity defaults */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 64 |  |         $this->defaults(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 64 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 37 |  |     public function init() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 37 |  |     {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 37 |  |     public function defaults() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 37 |  |     {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * Child entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * @return Entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 6 |  |     public function entity(string $name = 'untitled'): Entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 6 |  |         return $this->entities[$name] ?? $this->entities[$name] = new Entity(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * Position component | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * All entities inherently have the position component. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * @param int|float $x_axis             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * @param int|float $y_axis             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @param int|float $z_axis             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @return \AframeVR\Core\Entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 14 |  |     public function position(float $x_axis = 0, float $y_axis = 0, float $z_axis = 0): Entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 14 |  |         $this->component('Position')->positionX($x_axis); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 14 |  |         $this->component('Position')->positionY($y_axis); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 14 |  |         $this->component('Position')->positionZ($z_axis); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 14 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * Rotation component | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * All entities inherently have the rotation component. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @param int|float $roll             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * @param int|float $pitch             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @param int|float $yaw             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * @return \AframeVR\Core\Entity | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 117 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 118 | 14 |  |     public function rotation(float $roll = 0, float $pitch = 0, float $yaw = 0): Entity | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 120 | 14 |  |         $this->component('Rotation')->roll($roll); | 
            
                                                                        
                            
            
                                    
            
            
                | 121 | 14 |  |         $this->component('Rotation')->pitch($pitch); | 
            
                                                                        
                            
            
                                    
            
            
                | 122 | 14 |  |         $this->component('Rotation')->yaw($yaw); | 
            
                                                                        
                            
            
                                    
            
            
                | 123 | 14 |  |         return $this; | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * Scale component | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      * All entities inherently have the scale component. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * @param int|float $scale_x             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * @param int|float $scale_y             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * @param int|float $scale_z             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      * @return \AframeVR\Core\Entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 9 |  |     public function scale(float $scale_x = 1, float $scale_y = 1, float $scale_z = 1): Entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 9 |  |         $this->component('Scale')->scaleX($scale_x); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 9 |  |         $this->component('Scale')->scaleY($scale_y); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 9 |  |         $this->component('Scale')->scaleZ($scale_z); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 9 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |      * Animations | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |      * @param string $name             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |      * @return \AframeVR\Interfaces\AnimationInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 | 1 |  |     public function animation(string $name = 'untitled'): AnimationInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 | 1 |  |         return $this->animations[$name] ?? $this->animations[$name] = new Animation(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |      * Load component for this entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |      * @param string $component_name             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |      * @throws \AframeVR\Core\Exceptions\BadComponentCallException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |      * @return object|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 162 | 64 | View Code Duplication |     public function component(string $component_name) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 64 |  |         if (! array_key_exists($component_name, $this->components)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 64 |  |             $component = sprintf( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 64 |  |                 '\AframeVR\Core\Components\%s\%sComponent', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |                 ucfirst($component_name), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |                 ucfirst($component_name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 | 64 |  |             if (class_exists($component)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 64 |  |                 $this->components[$component_name] = new $component(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 | 1 |  |                 throw new BadComponentCallException($component_name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 | 64 |  |         return $this->components[$component_name] ?? null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |      * Handle entity components | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      * Since we might need to customize these to have | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      * custom components loaded as $this->methosd aswell therefore | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |      * we have these placeholder magic methods here | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |      * @param string $component_name             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |      * @param array $args             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 190 | 12 | View Code Duplication |     public function __call(string $component_name, array $args) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 12 |  |         if (! method_exists($this, $component_name)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 | 12 |  |             $this->{$component_name} = Closure::bind(function () use ($component_name) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 12 |  |                 return $this->component($component_name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 | 12 |  |             }, $this, get_class()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 12 |  |         return call_user_func($this->{$component_name}, $args); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |      * Create and add DOM element of the entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |      * @param \DOMDocument $aframe_dom             | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |      * @return \DOMElement | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 4 |  |     public function domElement(\DOMDocument &$aframe_dom): DOMElement | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 | 4 |  |         $a_entity = $aframe_dom->createElement('a-entity'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 | 4 |  |         foreach ($this->components as $component) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |             /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |              * Check does component has any attributes to add to DOM element. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |              * default attributes most of cases are ommited so we might not have any attributes to add | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |              */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 | 4 |  |             if ($component->hasDOMAttributes()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 4 |  |                 $a_entity->setAttributeNode($component->getDOMAttr()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 4 |  |         $this->appendChildren($aframe_dom, $a_entity); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 4 |  |         return $a_entity; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 | 4 |  |     private function appendChildren(\DOMDocument &$aframe_dom, \DOMElement &$a_entity) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 | 4 |  |         foreach($this->entities as $entity) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 | 2 |  |             if ($aframe_dom->formatOutput) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 | 2 |  |                 $com = $aframe_dom->createComment("\n\t"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 | 2 |  |                 $a_entity->appendChild($com); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 2 |  |             $a_entity->appendChild($entity->domElement($aframe_dom)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 | 2 |  |             if ($aframe_dom->formatOutput) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 | 2 |  |                 $com = $aframe_dom->createComment("\n"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 | 2 |  |                 $a_entity->appendChild($com); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 | 4 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 238 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 239 |  |  |  | 
            
                        
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.