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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Created by PhpStorm.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * User: dp  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Date: 26.07.17  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Time: 11:56  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Lan\Ebs\Sdk\Classes;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use ArrayObject;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Exception;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Lan\Ebs\Sdk\Client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Lan\Ebs\Sdk\Common;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use ReflectionClass;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                abstract class Collection extends ArrayObject implements Common  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $loadStatus = 0;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $fields = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $class = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $limit = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $offset = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Collection constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param Client $client  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $fields  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $class  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $limit  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $offset  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws Exception  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(Client $client, array $fields, $class, $limit, $offset)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (!$client) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new Exception('Client not defined'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (!is_array($fields)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new Exception('Fields for model of collection mast be array'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $reflectionClass = new ReflectionClass($class);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (!$reflectionClass->isSubclassOf(Model::class)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new Exception('Class of model collection not subclass for Model'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->client = $client;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->fields = $fields;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->class = $class;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->setLimit($limit);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->setOffset($offset);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getIterator()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new CollectionIterator($this);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param bool $force  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return $this  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function load($force = false)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->loadStatus == 200 && !$force) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $params = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'limit' => $this->limit,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'offset' => $this->offset  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->fields) { | 
            
                            
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                            $params['fields'] = implode(',', (array) $this->fields); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response = $this->client->getResponse($this->getUrl(__FUNCTION__), $params);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->exchangeArray($response['data']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->loadStatus = $response['status'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        unset($response);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $limit  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setLimit($limit)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->limit = $limit;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->loadStatus == 200) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->load(true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $offset  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setOffset($offset)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->offset = $offset;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->loadStatus == 200) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->load(true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return Model  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function createModel(array $data = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $class = $this->class;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /** @var Model $model */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $model = new $class($this->client, $this->fields);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $model->set($data === null ? current($this) : $data);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $model;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function count() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->load();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                        return parent::count();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                    public function getData()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                        $this->load();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->getArrayCopy();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                    public function reset()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                        $this->load();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->createModel(reset($this));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                    public function end()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                        $this->load();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->createModel(end($this));  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                        
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.