function GraphUnitTest::displayArray

Helper function to output vertices as comma-separated list.

Parameters

$paths: An array containing a list of vertices.

$keys: (optional) Whether to output the keys of $paths instead of the values.

File

drupal/modules/simpletest/tests/graph.test, line 186

Provides unit tests for graph.inc.

Class

GraphUnitTest

Unit tests for the graph handling features.

Code

function displayArray($paths, $keys = FALSE) {
  if (!empty($paths)) {
    return implode(', ', $keys ? array_keys($paths) : $paths);
  }
  else {
    return '(empty)';
  }
}