/**
* An array of slice objects, each describing the format of the
* corresponding slice in the pie. To use default values for a slice,
* specify a NULL. If a slice or a value is not specified, the global
* value will be used.
*
* The values of the array keys will correspond to each numbered piece
* of the pie, starting from 0. You can skip slices by assigning the
* keys of the array as (int)s.
*
* This would apply slice values to the first and fourth slice of the pie
* Example: array(
* 0 => new slice(),
* 3 => new slice()
* );
*
*
* @param array Array of slice objects
* @return \PieChart
*/
public function slices($slices)
{
if (is_array($slices) && array_values_check($slices, 'class', 'slice')) {
$pizzaBox = array();
foreach ($slices as $key => $slice) {
$pizzaBox[$key] = $slice->values();
}
$this->addOption(array('slices' => $pizzaBox));
} else {
$this->type_error(__FUNCTION__, 'array', 'with keys as (int) and values as (slice)');
}
return $this;
}
/**
* Colors to assign to values in the visualization. An array of strings,
* where each element is an HTML color string.
*
* For example: $this->colors = array('red', '#004411')
* You must have at least two values; the gradient will include all your
* values, plus calculated intermediary values, with the first color as the
* smallest value, and the last color as the highest.
*
* @param array colors
* @return \colorAxis
*/
public function colors($colors)
{
if (is_array($colors) && array_values_check($colors, 'string')) {
$this->colors = $colors;
} else {
$this->type_error(__FUNCTION__, 'array', 'with values as strings');
}
return $this;
}
