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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * HiPanel tickets module  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @link      https://github.com/hiqdev/hipanel-module-ticket  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   hipanel-module-ticket  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   BSD-3-Clause  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2015-2017, HiQDev (http://hiqdev.com/)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace hipanel\modules\ticket\grid;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use hipanel\modules\client\grid\ClientColumn;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use hipanel\widgets\ClientSellerLink;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use yii\helpers\Html;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use yii\helpers\Url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Yii;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class StatisticGridView extends \hipanel\grid\BoxedGridView  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function columns()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return array_merge(parent::columns(), [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'client_id' => [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'class' => ClientColumn::class,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'label' => Yii::t('hipanel', 'Client'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'idAttribute' => 'client_id',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'sortAttribute' => 'client',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'attribute' => 'client_id',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'value' => function ($model) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    return ClientSellerLink::widget(compact('model')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                },  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'spent' => [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'label' => Yii::t('hipanel:ticket', 'Spent'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'filter' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'contentOptions' => ['nowrap' => true],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'value' => function ($model) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    return Yii::t('hipanel:ticket', '{d, plural, =0{ } one{# day} other{# days}} {h}:{m}', [ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        'd' => floor($model->spent / 60 / 24),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        'h' => sprintf('%02d', floor($model->spent / 60) % 24), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        'm' => sprintf('%02d', floor($model->spent % 60)), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                },  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'tickets' => [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'format' => 'html',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'label' => Yii::t('hipanel:ticket', 'Tickets'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'value' => function($model) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    foreach (explode(",", $model->thread_ids) as $thread) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        $threads[$thread] = Html::a($thread, Url::to(['@ticket/view', 'id' => $thread]));  | 
            
                            
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                                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    ksort($threads);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    return implode(" ", $threads); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ]);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.