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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace UniMan\Drivers\Memcache\Forms;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use UniMan\Core\Forms\TableForm\TableFormInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Memcache;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Nette\Application\UI\Form;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Nette\Utils\ArrayHash;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class MemcacheKeyForm implements TableFormInterface  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private $connection;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private $key;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(Memcache $connection, $key = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->connection = $connection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->key = $key;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function addFieldsToForm(Form $form)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $form->addText('key', 'memcache.key_form.key.label') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setRequired('memcache.key_form.key.required'); | 
            
                            
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                        $form->addText('value', 'memcache.key_form.value.label') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setRequired('memcache.key_form.value.required'); | 
            
                            
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                        $form->addCheckbox('compressed', 'memcache.key_form.compressed.label'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $form->addText('expiration', 'memcache.key_form.expiration.label') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->addCondition(Form::FILLED)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->addRule(Form::INTEGER, 'memcache.key_form.expiration.rule_integer');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->key) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $flags = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $form->setDefaults([  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'key' => $this->key,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'value' => $this->connection->get($this->key, $flags),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'compressed' => $flags == MEMCACHE_COMPRESSED,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                        if ($this->key) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->connection->delete($this->key);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->connection->set($values['key'], $values['value'], $values['compressed'] ? MEMCACHE_COMPRESSED : 0, $values['expiration'] ? intval($values['expiration']) : null);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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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: