| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Platine Template | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Platine Template is a template engine that has taken a lot of inspiration from Django. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * This content is released under the MIT License (MIT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * Copyright (c) 2020 Platine Template | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * Permission is hereby granted, free of charge, to any person obtaining a copy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * of this software and associated documentation files (the "Software"), to deal | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * in the Software without restriction, including without limitation the rights | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * copies of the Software, and to permit persons to whom the Software is | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * furnished to do so, subject to the following conditions: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * The above copyright notice and this permission notice shall be included in all | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * copies or substantial portions of the Software. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * SOFTWARE. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  *  @file NodeList.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  *  The Template list node class | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  *  @package    Platine\Template\Node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  *  @author Platine Developers Team | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  *  @copyright  Copyright (c) 2020 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  *  @license    http://opensource.org/licenses/MIT  MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  *  @link   http://www.iacademy.cf | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  *  @version 1.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  *  @filesource | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | namespace Platine\Template\Node; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | use IteratorAggregate; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  * Class NodeList | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  * @package Platine\Template\Node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | class NodeList extends TemplateNode implements IteratorAggregate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | { | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |     public function getIterator(): \Traversable | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     } | 
                            
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                | 61 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 62 |  |  |  | 
            
                        
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: