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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace UniMan\Drivers\Redis\Forms;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Exception;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Nette\Application\UI\Form;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Nette\Utils\ArrayHash;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use UniMan\Core\Forms\DatabaseForm\DatabaseFormInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use UniMan\Drivers\Redis\RedisDatabaseAliasStorage;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class RedisEditDatabaseForm implements DatabaseFormInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $database;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $databaseAliasStorage;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function __construct($database, RedisDatabaseAliasStorage $databaseAliasStorage)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->database = $database;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->databaseAliasStorage = $databaseAliasStorage;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function addFieldsToForm(Form $form)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->databaseAliasStorage->check();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $form->addError($e->getMessage());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $form->addText('database', 'redis.database_form.database.label') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setRequired('redis.database_form.database.required') | 
            
                            
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                            ->setDisabled();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $form->addText('alias', 'redis.database_form.alias.label') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setOption('description', 'redis.database_form.alias.description'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $form->setDefaults([  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'database' => $this->database,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'alias' => $this->databaseAliasStorage->load($this->database),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function submit(Form $form, ArrayHash $values)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->databaseAliasStorage->check();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $form->addError($e->getMessage());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $aliases = $this->databaseAliasStorage->loadAll();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $aliases[$this->database] = $values['alias'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$values['alias']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            unset($aliases[$this->database]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->databaseAliasStorage->save($aliases);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: