function datalayer_add in dataLayer 7

Same name and namespace in other branches

1. 8 datalayer.module \datalayer_add()

Allow adding to the data layer easy on the fly, similar to drupal_add_js().

Passing empty params will return current dataLayer output.

Parameters

array $data: An array of dataLayer data keyed by variable name (optional).

bool $overwrite: If data should overwrite existing dataLayer vars of same name (optional).

Return value

array All data layer data added thus far.

5 calls to datalayer_add()

DataLayerUnitTests::testDataLayerAddDoesNotOverwriteByDefault in tests/datalayer.unit.test

Test DataLayer Add Does Not Overwrite By Default.

DataLayerUnitTests::testDataLayerAddWillAddData in tests/datalayer.unit.test

Test DataLayer Add Will Add Data.

DataLayerUnitTests::testDataLayerAddWillOverwriteWithFlag in tests/datalayer.unit.test

Test DataLayer Add Will Overwrite With Flag.

datalayer_preprocess_html in ./datalayer.module

Implements hook_preprocess_HOOK().

datalayer_preprocess_page in ./datalayer.module

Implements hook_preprocess_HOOK().

1 string reference to 'datalayer_add'

DataLayerUnitTests::setupEmptyDataLayer in tests/datalayer.unit.test

Setup empty datalayer.

File

./datalayer.module, line 344

Client-side data space.

Code

function datalayer_add(array $data = array(), $overwrite = FALSE) {
  $output_data =& drupal_static(__FUNCTION__, _datalayer_defaults());

  // If we've been given data, add it to the output.
  if (!empty($data)) {
    if ($overwrite) {
      $output_data = array_merge($output_data, $data);
    }
    else {
      $output_data += $data;
    }
  }
  return $output_data;
}