function _chart_get_max in Google Chart Tools: Image Charts 7

Same name and namespace in other branches

1. 5 chart.module \_chart_get_max()
2. 6 chart.module \_chart_get_max()

Return the max value of a single or multi level array.

1 call to _chart_get_max()

_chart_adjust_resolution in ./chart.module

Adjusts chart data transforming values so that they may be represented properly within the given resolution for the selected encoding type.

File

./chart.module, line 788

Provides primary Drupal hook implementations.

Code

function _chart_get_max(&$array) {
  if (is_array(current($array))) {

    //If a multi-level array
    foreach ($array as &$subarray) {
      $array_max = _chart_get_max($subarray);
      if (!isset($max)) {

        //Save the first value found as max
        $max = $array_max;
      }
      else {
        if ($array_max > $max) {
          $max = $array_max;
        }
      }
    }
    return $max;
  }
  else {

    //If a single level array
    return max($array);
  }
}