xAxis = $this->defaultXAxis(); $this->yAxis = $this->defaultYAxis(); } private function defaultXAxis() { return [ 'categories' => [], 'labels' => [ 'show' => true, ], ]; } private function defaultYAxis() { return [ 'show' => true, ]; } public function setXAxisVisible($visible) { data_set($this->xAxis, 'labels.show', $visible); return $this; } public function setXAxisCategories($categories = []) { data_set($this->xAxis, 'categories', $categories); return $this; } public function setYAxisVisible($visible) { data_set($this->yAxis, 'show', $visible); return $this; } protected function axisFromArray($array) { $this->xAxis = data_get($array, 'xAxis', $this->defaultXAxis()); $this->yAxis = data_get($array, 'yAxis', $this->defaultYAxis()); } protected function axisToArray() { return [ 'xAxis' => $this->xAxis, 'yAxis' => $this->yAxis, ]; } }