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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace CMEN\GoogleChartsBundle\Output\Javascript;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\Exception\GoogleChartsException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\GoogleCharts\Chart;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\GoogleCharts\Charts\Diff\DiffChart;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\Output\AbstractChartOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\Output\DataOutputInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\Output\EventsOutputInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CMEN\GoogleChartsBundle\Output\OptionsOutputInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Christophe Meneses  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class ChartOutput extends AbstractChartOutput  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var OptionsOutputInterface */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $optionsOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var DataOutputInterface */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $dataOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var EventsOutputInterface */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $eventsOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * ChartOutput constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $version  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $language  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $version,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $language,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        OptionsOutputInterface $optionsOutput,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        DataOutputInterface $dataOutput,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        EventsOutputInterface $eventsOutput  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::__construct($version, $language);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->optionsOutput = $optionsOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->dataOutput = $dataOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->eventsOutput = $eventsOutput;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function startChart(Chart $chart)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (null === $chart->getElementID()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new GoogleChartsException('Container is not defined.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $js = 'var '.$chart->getName().' = new google.'.$chart->getLibrary().'.'.$chart->getType().  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '(document.getElementById("'.$chart->getElementID().'"));'; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$chart instanceof DiffChart) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $js .= $this->dataOutput->draw($chart->getData(), $chart->getDataName());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $js .= $this->dataOutput->draw($chart->getOldChart()->getData(), 'old_'.$chart->getDataName()).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->dataOutput->draw($chart->getNewChart()->getData(), 'new_'.$chart->getDataName()).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'var '.$chart->getDataName().' = '.$chart->getName().  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                '.computeDiff(old_'.$chart->getDataName().',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                 new_'.$chart->getDataName().');';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $js .= $this->optionsOutput->draw($chart->getOptions(), $chart->getOptionsName());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $js;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function endChart(Chart $chart)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ('visualization' == $chart->getLibrary()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $options = $chart->getOptionsName();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            /* Options conversion for material charts */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $options = 'google.'.$chart->getLibrary().'.'.$chart->getType().  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                '.convertOptions('.$chart->getOptionsName().')'; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->eventsOutput->draw($chart->getEvents(), $chart->getName()).$chart->getName().  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '.draw('.$chart->getDataName().', '.$options.');'; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function startCharts($charts, $elementsID = null)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if ($charts instanceof Chart) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $charts = [$charts];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            if ($elementsID) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                if (!is_string($elementsID)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                    throw new GoogleChartsException('A string is expected for HTML element ID.'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $elementsID = [$elementsID];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        } elseif (is_array($charts) && !empty($charts)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->checkChartsTypes($charts);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            if (null !== $elementsID) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                if (!is_array($elementsID)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                    throw new GoogleChartsException('An array of string is expected for HTML elements IDs.'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $this->checkElementsId($charts, $elementsID);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new GoogleChartsException('An instance of Chart or an array of Chart is expected.'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $packages = [];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $drawChartName = '';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        for ($i = 0; $i < count($charts); ++$i) { | 
            
                            
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                            if ($elementsID) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $charts[$i]->setElementID($elementsID[$i]);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            if (!in_array($charts[$i]->getPackage(), $packages)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $packages[] = $charts[$i]->getPackage();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $drawChartName .= $charts[$i]->getElementID();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $js = $this->loadLibraries($packages);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $js .= $this->startCallback('drawChart'.ucfirst(md5($drawChartName))); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        foreach ($charts as $chart) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $js .= $this->startChart($chart);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $js;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                             4                          | 
                
                 | 
                    public function endCharts($charts)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                             4                          | 
                
                 | 
                        if ($charts instanceof Chart) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                             4                          | 
                
                 | 
                            $js = $this->endChart($charts).$this->endCallback();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                        } elseif (is_array($charts) && !empty($charts)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                            $this->checkChartsTypes($charts);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                            $js = '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                            foreach ($charts as $chart) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                                $js .= $this->endChart($chart);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                            $js .= $this->endCallback();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                            throw new GoogleChartsException('An instance of Chart or an array of Chart is expected.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                             4                          | 
                
                 | 
                        return $js;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                             4                          | 
                
                 | 
                    public function fullCharts($charts, $elementsID = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                             4                          | 
                
                 | 
                        return $this->startCharts($charts, $elementsID).$this->endCharts($charts);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                    public function loadLibraries(array $packages)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                             4                          | 
                
                 | 
                        array_walk($packages, function (&$item) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                             4                          | 
                
                 | 
                            $item = "'".$item."'";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                             4                          | 
                
                 | 
                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                             4                          | 
                
                 | 
                        ($this->language) ? $language = ", language: '".$this->language."'" : $language = '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                             4                          | 
                
                 | 
                        $load = "'".$this->version."', {packages:[".implode(',', $packages).']'.$language.'}'; | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                             4                          | 
                
                 | 
                        return "google.charts.load($load);";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                             4                          | 
                
                 | 
                    public function startCallback($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                             4                          | 
                
                 | 
                        return "google.charts.setOnLoadCallback($name); function $name() {"; | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                             4                          | 
                
                 | 
                    public function endCallback()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                             4                          | 
                
                 | 
                        return '}';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: