PHP code example of talis / tripod-php

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

talis / tripod-php example snippets

// Queue worker must register these event listeners
Resque_Event::listen('beforePerform', [\Tripod\Mongo\Jobs\JobBase::class, 'beforePerform']);
Resque_Event::listen('onFailure', [\Tripod\Mongo\Jobs\JobBase::class, 'onFailure']);

\Tripod\Config::setConfig($conf); // set the config, usually read in as JSON from a file

$tripod = new Driver(
  "CBD_users", // pod (read: MongoDB collection) we're working with
  "myapp" // store (read: MongoDB database)  we're working with
);

// describe
$graph = $tripod->describe("http://example.com/user/1");
echo $graph->get_first_literal("http://example.com/user/1","http://xmlns.com/foaf/0.1/name"); 

// select
$data = $tripod->select(
  array("rdf:type.u"=>"http://xmlns.com/foaf/0.1/Person"),
  array("foaf:name"=>true);
);
if ($data['head']['count']>0) {
  foreach($data['results'] as $result) {
    echo $result['foaf:name'];
  }
}

// an expensive pre-defined graph traversal query
$graph = $tripod->getViewForResource("http://example.com/users","v_users");
$allUsers = $graph->get_subjects_of_type("http://xmlns.com/foaf/0.1/Person");

// save
$newGraph = new \Tripod\ExtendedGraph();
$newGraph->add_literal_value("http://example.com/user/2","http://xmlns.com/foaf/0.1/name","John Smith");
$tripod->saveChanges(
  new \Tripod\ExtendedGraph(), // the before state, here there was no before (new data)
  $newGraph // the desired after state
);

// save, but background all the expensive view/table/search generation
$tripod = new \Tripod\Mongo\Driver("CBD_users",  "usersdb", array(
    'async' = array(OP_VIEWS=>true,OP_TABLES=>true,OP_SEARCH=>true) // async opt says what to do later via a queue rather than as part of the save
  )
);
$tripod->saveChanges(
  new \Tripod\ExtendedGraph(), // the before state, here there was no before (new data)
  $newGraph // the desired after state
);