function _commerce_file_license_property_merge in Commerce File 7

Merge one or more property data arrays into the first

• assumes all settings have been resolved for all items
• aggregates properties

1 call to _commerce_file_license_property_merge()

_commerce_file_field_aggregate_field_items in includes/commerce_file.field.inc

Aggregate one or more field items' settings into the first field item

File

./commerce_file.module, line 418

Provides integration of file licenses with Commerce

Code

function _commerce_file_license_property_merge($data1) {
  $args = func_get_args();

  // extract trunk
  $trunk = array_shift($args);
  if (empty($trunk)) {
    $trunk = array();
  }

  // return $trunk if no other arrays to merge
  if (empty($args)) {
    return $trunk;
  }

  // get license info
  $license_info = _commerce_file_collate_license_info();

  // merge arrays
  foreach ($args as $data) {
    $non_license_data = array_diff_key($data, $license_info);

    // only operate on license properties
    foreach ($license_info as $k => $info) {
      $aggregated = !empty($info['property info']['aggregated']);

      // populate trunk
      if (isset($trunk[$k])) {

        // combine if trunk and data
        if (isset($data[$k])) {
          $combined = _commerce_file_license_property_combine_values($trunk[$k], $data[$k], $aggregated);
          if (isset($combined)) {
            $trunk[$k] = $combined;
          }
        }
      }
      elseif (isset($data[$k])) {
        $trunk[$k] = $data[$k];
      }
    }

    // merge non license data to override trunk
    $trunk = $non_license_data + $trunk;
  }
  return $trunk;
}