edge.php

<?php

namespace ArangoDBClient;

require __DIR__ . '/init.php';

try {
    $connection        = new Connection($connectionOptions);
    $collectionHandler = new CollectionHandler($connection);
    $documentHandler   = new DocumentHandler($connection);
    $edgeHandler       = new EdgeHandler($connection);

    // set up two document collections
    $collection = new Collection('employees');
    try {
        $collectionHandler->create($collection);
    } catch (\Exception $e) {
        // collection may already exist - ignore this error for now
    }

    $collection = new Collection('departments');
    try {
        $collectionHandler->create($collection);
    } catch (\Exception $e) {
        // collection may already exist - ignore this error for now
    }

    // set up an edge collection to link the two previous collections
    $collection = new Collection('worksFor');
    $collection->setType(3);

    try {
        $collectionHandler->create($collection);
    } catch (\Exception $e) {
        // collection may already exist - ignore this error for now
    }

    // create a new department
    $marketing = Document::createFromArray(['name' => 'Marketing']);
    $documentHandler->save('departments', $marketing);

    // create another department
    $finance = Document::createFromArray(['name' => 'Finance']);
    $documentHandler->save('departments', $finance);

    // create a new employee
    $john = Document::createFromArray(['name' => 'John']);
    $documentHandler->save('employees', $john);

    // create another employee
    $jane = Document::createFromArray(['name' => 'Jane']);
    $documentHandler->save('employees', $jane);

    // now insert a link between Marketing and Jane
    $worksFor = Edge::createFromArray(['startDate' => '2009-06-23', 'endDate' => '2014-11-12']);
    $edgeHandler->saveEdge('worksFor', $marketing->getHandle(), $jane->getHandle(), $worksFor);

    // now insert a link between Finance and Jane
    $worksFor = Edge::createFromArray(['startDate' => '2014-11-12']);
    $edgeHandler->saveEdge('worksFor', $finance->getHandle(), $jane->getHandle(), $worksFor);

    // now insert a link between Finance and John
    $worksFor = Edge::createFromArray(['startDate' => '2012-04-01']);
    $edgeHandler->saveEdge('worksFor', $finance->getHandle(), $john->getHandle(), $worksFor);


} catch (ConnectException $e) {
    print $e . PHP_EOL;
} catch (ServerException $e) {
    print $e . PHP_EOL;
} catch (ClientException $e) {
    print $e . PHP_EOL;
}