| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is part of the PHP Translation package. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * (c) PHP Translation team <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For the full copyright and license information, please view the LICENSE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * file that was distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | namespace Translation\Extractor\FileExtractor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use PhpParser\Error; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use PhpParser\NodeTraverser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use PhpParser\NodeVisitor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use PhpParser\ParserFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Symfony\Component\Finder\SplFileInfo; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Translation\Extractor\Model\SourceCollection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Translation\Extractor\Visitor\Visitor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * @author Tobias Nyholm <[email protected]> | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 24 |  |  |  */ | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  | final class PHPFileExtractor implements FileExtractor | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  | { | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  |      * @var Visitor[]|NodeVisitor[] | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  |     private $visitors = []; | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |      * {@inheritdoc} | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 28 |  |     public function getSourceLocations(SplFileInfo $file, SourceCollection $collection): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 28 |  |         $path = $file->getRelativePath(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 28 |  |         $parser = (new ParserFactory())->create(ParserFactory::PREFER_PHP7); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 28 |  |         $traverser = new NodeTraverser(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 28 |  |         foreach ($this->visitors as $v) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 | 28 |  |             $v->init($collection, $file); | 
                            
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                | 42 | 28 |  |             $traverser->addVisitor($v); | 
                            
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                | 43 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 28 |  |             $tokens = $parser->parse($file->getContents()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 28 |  |             $traverser->traverse($tokens); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         } catch (Error $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |             trigger_error(sprintf('Skipping file "%s" because of parse Error: %s. ', $path, $e->getMessage())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 51 | 28 |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |      * {@inheritdoc} | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 56 | 1 |  |     public function supportsExtension(string $extension): bool | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 58 | 1 |  |         return \in_array($extension, ['php', 'php5', 'phtml']); | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 28 |  |     public function addVisitor(NodeVisitor $visitor): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 28 |  |         $this->visitors[] = $visitor; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 64 | 28 |  |     } | 
            
                                                                        
                                                                
            
                                    
            
            
                | 65 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 66 |  |  |  | 
            
                        
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: