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

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

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)';
    }
}